Popular terms

Digital Audio topics
Digital Audio
Motor Module
Transmitter
Quantization
Signal Processing
Audio Signal Processing
Radio Transmission
Ion Source
Audio Signals
Navigation
Mobile Receiver
File Transfer
Transducer
Io Processor
Duty Cycle

Follow us on Twitter
twitter icon@FreshPatents

Web & Computing
Cloud Computing
Ecommerce
Search patents
Smartphone patents
Social Media patents
Video patents
Website patents
Web Server
Android patents
Copyright patents
Database patents
Programming patents
Wearable Computing
Webcam patents

Web Companies
Apple patents
Google patents
Adobe patents
Ebay patents
Oracle patents
Yahoo patents

[SEARCH]

Digital Audio patents

      

This page is updated frequently with new Digital Audio-related patent applications.




Date/App# patent app List of recent Digital Audio-related patents
08/18/16
20160241350 
 Method and  analog and digital audio blend for hd radio receivers patent thumbnailMethod and analog and digital audio blend for hd radio receivers
A method and apparatus are provided for blending analog and digital portions of a composite digital radio broadcast signal by processing compressed audio packets to compute corresponding digital audio quality indicator values, storing the compressed audio packets in an audio blend buffer, processing audio information from each compressed audio packet stored in the audio blend buffer with an audio decoder to generate decompressed digital audio signal samples, and using the digital audio quality indicator values to guide a blending process for combining analog audio signal samples with the digital audio signal samples to produce an audio output by preventing unnecessary blending back and forth between analog and digital if the digital audio quality indicator values indicate that the compressed audio packets are degraded or impaired.. .
Ibiquity Digital Corporation


08/18/16
20160240212 
 Digital audio supplementation patent thumbnailDigital audio supplementation
A computer-implemented method is disclosed that includes identifying a digital sound file that contains data for producing audible sound content; identifying and selecting a digital source of supplemental sound content; and adding the supplemental sound content to the audible sound content to produce supplemented sound content, wherein the supplemental sound content is added at a sub-audible intensity level so as to cause unique brain activations in users who listen to the supplemented sound content. .
Fideliquest Llc


08/11/16
20160232899 
 Audio device for recognizing key phrases and method thereof patent thumbnailAudio device for recognizing key phrases and method thereof
An audio device and a method thereof are provided. The method is adopted by an audio device to detect a voice, wherein the audio device is coupled to a host device.
Fortemedia, Inc.


08/04/16
20160227337 
 System and  capturing, encoding, distributing, and decoding immersive audio patent thumbnailSystem and capturing, encoding, distributing, and decoding immersive audio
A sound field coding system and method that provides flexible capture, distribution, and reproduction of immersive audio recordings encoded in a generic digital audio format compatible with standard two-channel or multi-channel reproduction systems. This end-to-end system and method mitigates any impractical need for standard multi-channel microphone array configurations in consumer mobile devices such as smart phones or cameras.
Dts, Inc.


08/04/16
20160227316 
 Wireless link to transmit digital audio data between devices in a manner controlled dynamically to adapt to variable wireless error rates patent thumbnailWireless link to transmit digital audio data between devices in a manner controlled dynamically to adapt to variable wireless error rates
A communication system including a host transceiver, one or many device transceivers, and a wireless or wired link, in which encoded digital audio data and optionally also other auxiliary data are transmitted and received between the host transceiver and one or many device transceivers. The wireless link can but need not be a certified wireless usb (“cwusb”) link, which utilizes wimedia ultra-wideband (“uwb”) radio technology.

07/28/16
20160217802 
 Sample rate converter with automatic anti-aliasing filter patent thumbnailSample rate converter with automatic anti-aliasing filter
The subject disclosure is directed towards dynamically computing anti-aliasing filter coefficients for sample rate conversion in digital audio. In one aspect, for each input-to-output sampling rate ratio (pitch) obtained, anti-aliasing filter coefficients are interpolated based upon the pitch (e.g., using the fractional part of the ratio) from two filters (coefficient sets) selected based upon the pitch (e.g., using the integer part of the ratio).
Microsoft Technology Licensing, Llc


07/28/16
20160216881 
 Method for associating media files with additional content patent thumbnailMethod for associating media files with additional content
A method for presenting digitally stored information to a user, including providing, from a server to a client device, timeline information having first and second time points, each time point being relative to when a user accesses the timeline information, the first time point being associated with a digital audio or digital video media file, the second time point being associated with additional content, the additional content being a text or a file comprising video, audio, image, text, a webpage, user comment or user rating in a digital format. Accessing the timeline information causes the client device to start a timing procedure, the client device automatically starting playing the media file when timing reaches the first time point of the timeline information and the client device automatically presenting, to the user, the additional content when the timing reaches the second time point of the timeline information..
Acast Ab


07/21/16
20160212557 
 Digital wireless audio transmission system with optimized dynamics patent thumbnailDigital wireless audio transmission system with optimized dynamics
A digital audio transmission system, in particular a wireless microphone or wireless pocket transmitter system. The audio transmission system has at least one wireless transmitter and at least one wireless receiver.
Sennheiser Electronic Gmbh & Co. Kg


07/21/16
20160210114 
 Audio systems and related devices and methods patent thumbnailAudio systems and related devices and methods
A method includes syncing preset assignments on a plurality of audio playback devices such that preset assignments on any one of the audio playback devices correspond to respective preset assignments on each of the other audio playback devices, and, such that, if one of the preset assignments is changed on one of the audio playback devices, each of the other audio playback devices is automatically updated such that a corresponding change is made to a corresponding preset assignment on each of the other audio playback devices. Each preset assignment is an assignment of an entity associated with one of a plurality of digital audio sources to one of a plurality of preset indicators on the corresponding one of the audio playback devices.
Bose Corporation


07/07/16
20160196825 
 Acoustic channel-based data communications method patent thumbnailAcoustic channel-based data communications method
It discloses an acoustic channel-based data communications method which performs channel coding on an original data signal using a crc coding method and a bch coding method to obtain a coded sequence; modulates the coded sequence using a preset audio sequence symbol set via a symbol mapping method to obtain a digital audio signal; selects a channel frequency band according to characteristics of a transmitting equipment and interference between frequency bands; and converts the digital audio signal into an analog audio signal through a digital-to-analog converter and transmits the signal to a channel for transmission according to the selected channel frequency band.. .

07/07/16
20160196101 

Unitary electronic speaker device for receiving digital audio data and rendering the digital audio data


An unitary electronic speaker device and method for rendering digital audio data are provided. A list comprising an ordered sequence of audio item indicators indicating a plurality of audio items stored on at least one other device.
Black Hills Media, Llc


06/30/16
20160191007 

Adaptive loudness levelling digital audio signals in frequency domain


Embodiments of the present disclosure are directed to techniques for adjusting the amplitude of a digital audio signal in the frequency domain to control the perceived loudness of the audio signal at a desired level. In one embodiment, a method first adjusts the audio signal to a desired loudness level by applying an adaptive wideband gain and thereafter a multi-band compression is applied to further reduce a dynamic range of the audio signal, and noise analysis and temporal masking operations are also performed to provide a pleasant sound for a listener or listeners..

06/23/16
20160183003 

Digital audio processing systems and methods


A system for processing audio data of the present disclosure has an audio processing device for receiving audio data from an audio source. Additionally, the system has logic that separates the audio data received into left channel audio data indicative of sound from a left audio source and right channel audio data indicative of sound from a right audio source.

06/16/16
20160173987 

Systems and methods for independent and control-isolated audio processing (iciap)


Systems and methods are provided that may implement independent and control-isolated audio processing (iciap) to separate and/or control audio streams at multiple levels of sensitivity and/or security. The disclosed systems and methods may be implemented in one example using separate real time digital audio processing and mixing hardware “channels” for each audio stream that are provided within an iciap connection system that includes at least one iciap audio processing device and a separate control processor, while at the same time incorporating a comprehensive set of interlocks to ensure the separation of audio data streams from one another and from control information, and to ensure authorization in real time for each different audio stream..
L-3 Communications Integrated Systems Lp


06/16/16
20160171987 

System and compressed audio enhancement


A system for processing digitally-encoded audio data comprising a compressed audio source device providing a sequence of frames of compressed digital audio data. A compressed audio enhancement system configured to receive the sequence of frames of compressed digital audio data and to generate enhanced audio data by adding masked digital audio data to the sequence of frames of compressed digital audio data, where the masked digital audio data has an energy level sufficient to keep a kinocilia of a listener active.
Psyx Research, Inc.


06/09/16
20160162258 

Intermediary device for establishing wireless services


Various embodiments are disclosed for facilitating reception of a digital audio stream over a wireless personal area network (pan). At a wireless network mobile computing device, a wireless network audio broadcast device is discovered.
Broadcom Corporation


06/09/16
20160162255 

Electronic device


According to one embodiment, an electronic device includes a body and a display attached to the body configured to rotate between a state of covering a front surface of the body and a state of covering a back surface of the body, wherein the electronic device is placed in multiple configurations. An angle sensor measures an angle between the front surface and the display.
Kabushiki Kaisha Toshiba


06/09/16
20160159136 

Pop-up greeting cards


An interactive electronic greeting card with pop-up feature includes a pocket or cavity which houses various electronic and mechanical components and a pop-up element. In a first position, the pop-up element is substantially contained within the greeting card pocket or cavity.
American Greetings Corporation


05/19/16
20160142461 

Method and device for transmission of multimedia data


The present disclosure discloses a method for transmission of multimedia data, which includes: converting analogue multimedia data received from a terminal to digital multimedia data; separating the digital multimedia data into digital audio data and digital video data, and converting coding format of the digital video data; compressing the digital audio data and the digital video data in converted thecoding format respectively, converting protocol format of the compressed digital audio data and of the compressed digital video data respectively, and sending the resulting digital audio data and the resulting digital video data to a network. The present disclosure further discloses a device for transmission of multimedia data.
Zte Corporation


05/19/16
20160142451 

Online meeting computer with improved noise management logic


In an embodiment, a method for calculating a noise index value for a digital audio source in a server computer system that is coupled to a plurality of audio sources and configured to operate a teleconference among the plurality of digital audio sources comprises receiving a first digital audio signal from the digital audio source of the one or more digital sources. Using the server computer system, the process identifies two or more types of sounds that are represented in the first digital audio source.
Cisco Technology, Inc.


05/12/16
20160134979 

Wireless sound transmission system and method


A system for providing sound to at least one user, with at least one audio signal source, a digital transmission unit applying a digital modulation scheme to transmit an audio signal via a wireless digital audio link; at least one receiver unit for receiving audio signals from the transmission unit, and an arrangement for stimulating the hearing of the user(s), the transmission unit transmitting each audio data packet according to an adaptive frequency hopping scheme and has a channel traffic detection unit for measuring the power in each channel of a monitored channel set and providing a channel traffic value for each channel based on the measured power, an interference detection unit for analyzing and deciding whether static interference is present, and determining the channel corresponding to the peak channel traffic, and a channel blanking unit for temporarily removing at least the channel corresponding to the peak channel.. .
Sonova Ag


05/12/16
20160134668 

System and digital audio conference workflow management


In one embodiment, a computer-program product embodied in a non-transitory computer read-able medium that is programmed to manage a digital audio conference including a plurality of conference units and each conference unit including a microphone is provided. The computer-program product includes instructions to receive first information corresponding to a layout of a venue that facilitates an audio conference for users of the plurality of conference units.
Harman International Industries, Inc.


05/12/16
20160132287 

Dynamic reconfiguration of audio devices


In one example, a shared buffer acting as an audio communication channel for an audio interaction device may be reconfigured to allow audio communication channel sharing between audio data streams. An audio interaction device may execute a conversion between an initial audio data stream and an audio signal audibly detectable by a user.
Microsoft Technology Licensing, Llc


05/12/16
20160129215 

Method of training a living body to not react to substances


A method of conditioning a living body of a patient to associate the unconditioned stimulus (us) of decreased sympathetic nerve activity sna) with the conditioned stimulus (cs) of a representation of an offending agent to cease or reduce defensive reactions or symptoms. The us involves non-invasive, transcutaneous sensory stimulation of the sympathetic ganglia, which is paired with the cs of digital audio representations of offending substances to modify pathologically conditioned.

05/05/16
20160127830 

Self-powered audio speaker having socket for audio data receiver


Embodiments of the invention include a speaker system having the ability to accommodate one or more transmission protocols as well as multiple upgrade paths. One or more replaceable cards sit in a socket or bus system.
Slotius, Llc


05/05/16
20160126899 

Group-aware current-limited amplifier and system


A group-aware, current limited amplifier system including a group brownout control bus and a number of current-limited amplification channels coupled to the group brownout control bus. In an example embodiment, each current-limited amplification channel includes an amplifier, an amplifier power supply developing a current level signal that represents the amount of current being drawn by the amplifier, a brownout controller responsive to a digital audio input, the group brownout control bus, and the current level signal, and operative to develop a control signal; and an audio digital-to-analog (d/a) converter responsive to the digital audio input and to the control signal and operative to develop an analog audio output that is coupled to an input of the amplifier..
Maxim Integrated Products, Inc.


05/05/16
20160125863 


A standalone integrated digital audio workstation (daw) including: a single housing; embedded multi-channel analog-to-digital (a/d) and digital-to-analog (d/a) converters within the single housing; a recording engine, coupled to the a/d and d/a converters for recording multiple tracks of audio at one or more sampling rates using a near-zero jitter clock signal in a record mode; recording media for storing the multiple tracks to create native recording files during the recording mode; and one or more processors, within the single housing, to edit, mix, and prepare final production files without the use of a separate computer in a daw mode using directly the native recording files. Embodiments also relate to a studio system with a daw and method of use..
Iz Technology Corporation


04/28/16
20160119729 

System and a redundant real-time wireless receiver network


Embodiments relate to a system and a method for a redundant real-time wireless receiver network. A remote digital antenna digital receiver (“rdadr”) is coupled to multiple remote digital antenna (“rdas”).
Line 6, Inc.


04/28/16
20160119068 

Vehicle and controlling the same


A vehicle and a method for controlling the same are provided. In particular, linking information of a broadcast signal having been output during a turn-off mode is transmitted to a dab receiver upon receiving a turn-on signal.
Hyundai Motor Company


04/21/16
20160112832 

Data services via receivers independent of navigation systems


A system and method for providing a suite of data services in non-navigation based electronic devices such as head units, that can provide similar levels of functionality to navigation-based systems are presented. In exemplary embodiments of the present invention, a non-navigation data system for providing data services in a mobile environment can include a data decoder for decoding a digital data stream from a digital audio radio transmission source, a location determining means for determining a current location of a mobile receiver receiving the digital data stream, a display for displaying data corresponding to the current location, and a plurality of static maps wherein the data corresponding to the current location is overlaid at least over a portion of the static maps.

04/21/16
20160112747 

Multistream tuner stick device for receiving and streaming digital content


Embodiments of a device for receiving a digital terrestrial, cable, or satellite television signal are described herein. For example, a silicon tuner module may be configured to receive a digital terrestrial, cable, or satellite television signal and output a digital bitstream, the digital bitstream may include audio visual content in an encoded transport stream.

04/21/16
20160112670 

Television tuner device for processing digital audiovisual content


Embodiments of a device for receiving a digital terrestrial, cable, or satellite television signal are described herein. For example, a silicon tuner module may be configured to receive a digital terrestrial, cable, or satellite television signal and output a digital bitstream, the digital bitstream may include audio visual content in an encoded transport stream.

04/07/16
20160100268 

Digital audio filters for variable sample rates


Various exemplary embodiments relate to a method and apparatus for processing audio signals to influence the reproduction of the audio signals. The apparatus may include a speaker, a headphone (over-the-ear, on-ear, or in-ear), a microphone, a computer, a mobile device, a home theater receiver, a television, a blu-ray (bd) player, a compact disc (cd) player, a digital media player, or the like.
Dts, Inc.


04/07/16
20160100245 

Audio equipment


The audio equipment has a cpu, rom, ram, a usb connector, an sd card, a dac (d/a converter), a changeover section, an amplifier, a phone (headphone) terminal, a digital i/o line-in terminal, a switch, and a display section. The digital i/o line-in terminal is a terminal which shares a digital audio optical input terminal, a digital audio coaxial input terminal, a digital audio coaxial output terminal, and an analog audio input terminal.

04/07/16
20160100149 

System and methods for simultaneously capturing audio and image data for digital playback


The invention provides for a system and method for the simultaneous capturing and storage of digital audio data in association with still image data. The captured audio clip is instantaneously associated and embedded with the photographic image, and allows for the user to digitally play back, view, and share the still image embedded with the audio clip..

04/07/16
20160100018 

Cross channel in-vehicle media consumption measurement and analysis


The invention provides a novel and unique system and method for cross channel in-vehicle media consumption measurement and analysis. Real-time measurement and analysis of all applicable forms of media that a driver or passenger may consume inside of an automobile can be achieved.
Drive Time Metrics, Inc.


04/07/16
20160098244 

Audio synchronization bluetooth speakers


An audio synchronization method for bluetooth speakers is disclosed. The bluetooth speakers comprise a first bluetooth speaker and a second bluetooth speaker transmitting digital audio packets by bluetooth communication.
Airoha Technology Corp.


03/31/16
20160092932 

Dynamically generated audio in advertisements


A content server provides a client device with audio content including an audio advertisement, which is provided in response to receiving a request for digital audio content from a client device associated with a user. The content server obtains user information about the user and retrieves advertisement text received from an advertiser, which are used to generate a personalized text advertisement.
Pandora Media, Inc.


03/24/16
20160088411 

System and modular on-demand audio processing, amplification and distribution


The present disclosure relates to a system and method for processing, amplification and distribution of audio signals. In an embodiment, the method includes receiving at least one digital audio input signal from one or more audio sources via wireless or wired communications.
Zenovia Electronics Inc.


03/24/16
20160088407 

Method of signal processing in a hearing aid system and a hearing aid system


A method of noise suppression in a hearing aid system by providing an improved noise estimate derived from the difference of a first digital audio signal provided by a first input transducer and an adaptively filtered second digital audio signal provided by a second input transducer. The invention further provides a hearing aid (100, 200) and a hearing aid system (300 and 400) adapted for improving noise suppression in accordance with this method..
Widex A/s


03/24/16
20160087806 

Mobile device audio/video legal application software


A tamperproof date/time stamp method that adds a real-time tamperproof date/time stamp to a digital audiovisual file includes generating at least one real-time date/time stamp and applying the date/time stamp to the digital audiovisual file. The real-time date/time stamp can be created through the location-based service in tablet computers.

03/17/16
20160080882 

Method for playing back the sound of a digital audio signal


A method for playing back the sound of a digital audio signal comprising an oversampling step consisting of producing, from a signal sampled at a frequency f, a signal sampled at a frequency n×f, where n corresponds to an integer greater than 1, then of applying convolution processing to a first digital file sampled at a frequency n×f corresponding to the acquisition of the soundscape of a reference sound space, a second digital file sampled at a frequency n×f corresponding to the acquisition of the noise footprint of a piece of reference playback equipment, a third digital file sampled at a frequency n×f corresponding to the acquisition of the noise footprint of an equalizer and a fourth file corresponding to said oversampled audio file, the resulting digital packets then undergoing digital conversion processing at a sampling frequency f/m corresponding to the working frequency of the listening equipment.. .

03/17/16
20160080865 

Systems and methods for reduction of audio artifacts in an audio system with dynamic range enhancement


A signal path may have an analog path portion and a digital signal path portion. The digital portion may have a selectable digitally-controlled gain and may be configured to convert a digital audio input signal into an analog input signal in conformity with the selectable digitally-controlled gain, the digital signal path portion comprising a modulator including a forward path and a feedback path.

03/17/16
20160080862 

Systems and methods for reduction of audio artifacts in an audio system with dynamic range enhancement


A signal path may have an analog path portion and a digital signal path portion. The digital portion may have a selectable digitally-controlled gain and may be configured to convert a digital audio input signal into an analog input signal in conformity with the selectable digitally-controlled gain, the digital signal path portion comprising a modulator including a forward path and a feedback path.

03/10/16
20160072657 

Systems and methods for advanced iterative decoding and channel estimation of concatenated coding systems


Systems and methods for decoding block and concatenated codes are provided. These include advanced iterative decoding techniques based on belief propagation algorithms, with particular advantages when applied to codes having higher density parity check matrices such as iterative soft-input soft-output and list decoding of convolutional codes, reed-solomon codes and bch codes.
Digital Powerradio, Llc


03/10/16
20160071526 

Acoustic source tracking and selection


The present disclosure relates generally to improving acoustic source tracking and selection and, more particularly, to techniques for acoustic source tracking and selection using motion or position information. Embodiments of the present disclosure include systems designed to select and track acoustic sources.
Analog Devices, Inc.


03/10/16
20160071523 

Method and encoding/decoding scalable digital audio using direct audio channel data and indirect audio channel data


Apparatuses and methods for encoding/decoding scalable digital audio are disclosed. An apparatus for decoding scalable digital audio according to the present invention includes: an audio packet reception unit configured to receive a digital audio packet, including a plurality of pieces of direct audio channel data mapped to respective physical channels and a plurality of pieces of indirect audio channel data indirectly mapped to respective physical channels; an indirect audio channel extraction unit configured to extract the digital audio packet from the pieces of indirect audio channel data; an indirect audio channel decoding unit configured to generate pieces of audio channel data corresponding to a number of physical channels more than the number of pieces of indirect audio channel data using the pieces of indirect audio channel data; and an audio channel output unit configured to match the pieces of audio channel data to the respective physical channels and perform output..
The Korea Development Bank


03/03/16
20160064807 

Multiband vehicular antenna assemblies


Disclosed are exemplary embodiments of multiband vehicular antenna assemblies. In an exemplary embodiment, an antenna assembly for installation to a vehicle body wall is disclosed.
Laird Technologies, Inc.


02/18/16
20160050492 

Direct-drive digital audio amplifier for electrostatic loudspeakers


A direct-drive digital audio amplifier for electrostatic loudspeakers (esl) includes a pulse-width-modulation (pwm) generator that generates a pwm signal from a digital audio signal received from an audio source. The generated pwm signal is amplified to a high voltage, such as several hundred volts, by a high-voltage switching circuit.
The University Of Akron


02/18/16
20160050452 

Methods and systems to monitor a media device using a digital audio signal


Methods and systems are disclosed to monitor a media device. An example method includes attempting to detect a logical transition between two sequential bits in a sequence of bits of a digital audio signal output by a port of the media device, the digital audio signal being encoded via differential encoding; and when the logical transition is detected, generating operating state data including a first time and indicating that the media device was in an on state at the first time; or when the logical transition is not detected, generating the operating state data including the first time and indicating that the media device was in an off state at the first time..
The Nielsen Company (us), Llc


02/18/16
20160050258 

Enveloping for device independence


Data files with digital envelops may be used for many new applications for cloud computing which enables a user access all his or her applications and documents from anywhere in the world, freeing the user from the confines of the desktop. The accessibility anywhere in the world and anytime in a day among multiple user devices feature additional privacy and survivability on data storage and transport on cloud computing.
Spatial Digital Systems, Inc.


02/18/16
20160050250 

Memory management of digital audio data


A system, method and computer-readable code for the management of digital media on a device with memory and storage restrictions. As with any device, memory and storage is limited.
Audio Pod Inc.


02/18/16
20160048371 

Enveloping via digital audio


Data files with digital audio envelops may be used for many new applications for cloud computing. The new applications include games and entertainments featuring additional privacy and survivability on data storage and transport on cloud computing.
Spatial Digital Systems, Inc.


02/11/16
20160044351 

Digital audio-video content mobile library


Methods for managing digital content include authenticating a user account identifier from a client device over a computer network, registering a telephone number for at least one wireless mobile device in a registry identified with the user account based on the authenticating, as a pre-authorized identifier for accessing digital content licensed for use with the client device. The methods include maintaining a library of digital content identified with the user account for access by the at least one wireless mobile device, and initiating streaming of the digital video content to the at least one wireless mobile device without requiring user authentication from the at least one wireless mobile device, based on the registering of the telephone number as the pre-authorized identifier.
Warner Bros. Entertainment, Inc.


02/11/16
20160042743 

Reduced digital audio sampling rates in digital audio processing chain


Reduced digital audio sampling rates are described in a digital audio processing chain. In one embodiment, an audio signal is received.

02/04/16
20160034247 

Extending content sources


Methods and systems for extending content sources associated with a social application. The implementations may include sampling and quantifying audio signals by a computing device.
Alibaba Group Holding Limited


01/28/16
20160029060 

Portable broadcast system accommodating multiple remote users for digital audio/video transmission via wired or wireless ip or 3g/4g networks


A system for simultaneously distributing program content originating from hundreds of remote multicast transmit units to a global network such as the internet, and configured to receive at a host multicast receiver/server the transmitted program content segments from each of the remote multicast transmit units in real time, at full bandwidth and minimum latency. A command center station coupled to a first output of the multicast receiver/server for distribution of the program content segments via a satellite broadcast network interface to one or more affiliated stations and a second output of the multicast receiver/server via a third party network interface for streaming distribution to the affiliated stations..

01/21/16
20160021430 

Transmission of digital audio signals using an internet protocol


Described is a network system and method of use for distributing audiovisual data. The network comprises two or more audio sinks, each of the audio sinks having a corresponding audio format capability, a first source adapted to generate and transmit audiovisual data, wherein the audiovisual data includes an audio file formatted with a first audio format capability, and the at least one source being further adapted to transmit the audiovisual data to the two or more audio sinks through the network system using both an high definition multimedia interface (hdmi) and internet protocol (ip), and a first transmitter adapted to receive the transmitted audiovisual data from the first source.
Crestron Electronics, Inc.


01/21/16
20160021402 

Transmission of digital audio signals using an internet protocol


Described is a network system and method of use for distributing audiovisual data. The network comprises two or more audio sinks, each of the audio sinks having a corresponding audio format capability, a first source adapted to generate and transmit audiovisual data, wherein the audiovisual data includes an audio file formatted with a first audio format capability, and the at least one source being further adapted to transmit the audiovisual data to the two or more audio sinks through the network system using both an high definition multimedia interface (hdmi) and internet protocol (ip), and a first transmitter adapted to receive the transmitted audiovisual data from the first source.
Crestron Electronics, Inc.


01/21/16
20160021401 

Transmission of digital audio signals using an internet protocol


Described is a network system and method of use for distributing audiovisual data. The network comprises two or more audio sinks, each of the audio sinks having a corresponding audio format capability, a first source adapted to generate and transmit audiovisual data, wherein the audiovisual data includes an audio file formatted with a first audio format capability, and the at least one source being further adapted to transmit the audiovisual data to the two or more audio sinks through the network system using both an high definition multimedia interface (hdmi) and internet protocol (ip), and a first transmitter adapted to receive the transmitted audiovisual data from the first source.
Crestron Electronics, Inc.


12/31/15
20150379043 

System and methods for creation and use of a mixed media environment


A mixed media reality (mmr) system and associated techniques are disclosed. The mmr system provides mechanisms for forming a media document that includes media of at least two types (e.g., printed paper as a first medium and digital content and/or web link as a second medium).
Ricoh Co., Ltd.


12/24/15
20150373399 

Controlling digital audio/video segment duration with remapped time code


Methods and systems are provided for time altering one or more discrete digital audio/video program segments, each program segment having distinct in time and out time code points. Data from the digital program segments are received from a data source and decoded.
Prime Image Delaware, Inc.


12/24/15
20150371652 

Communication devices and methods for temporal analysis of voice calls


Headsets having corresponding audio adapters and methods comprise: a microphone configured to generate analog audio for a voice call; an analog-to-digital converter configured to convert the analog audio to digital audio; a voice activity detector configured to detect speech in the digital audio; a processor configured to i) determine a temporal characteristic of the speech, and ii) generate a message based on the temporal characteristic of the speech and a temporal characteristic of the voice call; and a transmitter configured to transmit the message.. .
Plantronics, Inc.


12/10/15
20150358095 

Synchronization among multiple playback and storage devices


A wireless communication system and in particular to a wireless communication system for digital audio players that provides for increased functionality, such as communication, interaction and synchronization between a computing platform and various mobile, portable or fixed digital audio players, as well as providing a communication link between the various digital audio players themselves. The computing platform may act, for example, through a wireless network or wireless communication platform, to control the digital audio players; to act as a cache of digital audio data for the digital audio players; as well as provide a gateway to the internet to enable the digital audio players to access additional digital audio content and other information.
Facebook, Inc.


12/03/15
20150350401 

Wireless terminal device


A smartphone includes: a first antenna for performing wireless communication in accordance with a first communication scheme; a second antenna for performing wireless communication in accordance with a second communication scheme; a first rf circuit module for converting a signal, received by the first antenna, into a digital audio signal; an audio processing module for converting the digital audio signal into an analog audio signal; a second rf circuit module for converting a signal, received by the second antenna, into an analog audio signal; a receiver for outputting an analog audio signal; and a first switch for switching between: a first mode for transmitting an analog audio signal between the audio processing module and the receiver; and a second mode for transmitting an analog audio signal between the second rf circuit module and the receiver.. .
Kyocera Corporation


12/03/15
20150349903 

Wireless satellite digital audio radio service (sdars) head unit with portable subscription and cell phone abilities


A system and method for automated activation of a radio, or content receiver, used to receive subscription radio services such as xm or sirius radio. A wireless communications device with a short range data link wirelessly communicates with the content receiver to control the content receiver and receive a unique identification code from the content receiver.
Sirius Xm Radio Inc.


12/03/15
20150348570 

Method and speech behavior visualization and gamification


In some example embodiments, a system is provided for real-time analysis of audio signals. First digital audio signals are retrieved from memory.
Cogito Health Inc.


12/03/15
20150348561 

Effective attenuation of pre-echoes in a digital audio signal


A method is provided for processing attenuation of pre-echo in a digital audio signal decoded by transform decoding. The method includes the following acts: decomposition of the decoded signal into at least two sub-signals according to a pre-determined decomposition criterion; calculation of attenuation factors per sub-signal and per sample of a previously determined pre-echo zone; attenuation of pre-echo in the pre-echo zone of each of the sub-signals by applying attenuation factors to the sub-signals; and production of the attenuated signal by addition of the attenuated sub-signals.
Orange


11/26/15
20150341724 

New wireless transmission of digital audio


A method of wireless communication of data sets includes: transmitting a first data set of a first data category from a transmitter for reception by a receiver; and re-transmitting the first data set at a time after the first data set is transmitted if there is an absence of an acknowledgement of receipt from the receiver, or transmitting a second data set of a second data category that is different from the first data category from the transmitter to the receiver at the time if there is a presence of the acknowledgement of receipt from the receiver.. .
Gn Resound A/s


11/26/15
20150339916 

Voice enabled remote control for a set-top box


A remote control device includes a digital audio storage device, a talk button, and an optical distance measurer. The digital audio storage device is configured to continually record an audio input for a specific amount of time.
At&t Intellectual Property I, Lp


11/26/15
20150339004 

Dynamic interface generation using command and user levels


An embodiment of a data processing system is disclosed that utilizes a modular feature design that enables the presentation of a user interface that dynamically hides or exposes features of varying complexity throughout the system based on feature identifiers that can be enabled or disabled in a runtime context. In one embodiment, the system implements digital audio workstation software that dynamically generates an interface including a menu system to show or hide advanced features based on an application feature level that is determined by the target user level of the system.
Apple Inc.


11/19/15
20150333392 

Multiband mimo vehicular antenna assemblies with dsrc capabilities


Disclosed are exemplary embodiments of multiband multiple input multiple output (mimo) vehicular antenna assemblies for installation to a vehicle body wall. In exemplary embodiments, a multiband mimo vehicular antenna assembly generally includes at least one cellular antenna configured to be operable over one or more cellular frequencies (e.g., long term evolution (lte), etc.), at least one satellite antenna configured to be operable over one or more satellite frequencies (e.g., global navigation satellite system (gnss), satellite digital audio radio services (sdars), etc.) and at least one dedicated short range communication (dsrc) antenna configured to be operable over dsrc frequencies..
Laird Technologies, Inc.


11/19/15
20150332341 

System and customizing audio advertisements


A system and method for streaming customized audio is disclosed. The system and method allow for the selection of advertisements based on at least one feature of a listener and insertion of the selected advertisements into a customized digital audio stream subsequently transmitted to a particular listener.
Ando Media Llc


11/05/15
20150319556 

Audio player with bluetooth function and audio playing method thereof


An audio player with a bluetooth function and an audio playing method thereof are provided. The audio player includes a master bluetooth speaker and a plurality of slave bluetooth speakers.
Issc Technologies Corp


11/05/15
20150317995 

Multi-band signal processor for digital audio signals


A method includes: processing the digital audio input signal to generate m delayed digital audio signal samples; converting the delayed digital audio signal samples to frequency domain representation in n number of frequency bands to compute respective signal spectrum values; determining respective signal level estimates; computing respective frequency domain gain coefficients based on the respective signal level estimates and band gain laws; transforming the frequency domain gain coefficients to time domain representation to produce m time-varying filter coefficients of a processing filter; convolving the m delayed digital audio signal samples with the time-varying filter coefficients to produce the processed digital output signal; and updating the delayed digital audio signal samples in accordance with a sample-by-sample or a predetermined block rate; wherein two of the signal spectrum values for at least two of the frequency bands are updated at different rates; and wherein m and n are positive integer numbers.. .
Gn Resound A/s


11/05/15
20150314726 

Acoustic signaling system for electric, hybrid vehicles or the like


And wherein the digital audio processor has processing elements suitable for producing the piloting signal starting from the audio file selected.. .

10/29/15
20150310891 

Systems and methods for chronologically ordering digital media and approximating a timeline of an event


Systems and methods synchronize digital audio and/or video tracks recorded at a same event. The systems and methods access input digital audio tracks that are storable in a database, wherein the input digital audio tracks comprise a list of original recorded digital audio tracks from original recorded digital videos that were recorded from multiple digital sources at the same event.
Evergig Music S.a.s.u.


10/29/15
20150310870 

Systems and methods for analyzing audio characteristics and generating a uniform soundtrack from multiple sources


Systems and methods analyze audio characteristics of digital audio files and generate a uniform soundtrack based on more than one of the digital audio files. The systems and method comprise equalizing a content of each input digital audio file such that all input digital audio files are processible as a group, wherein the input digital audio files are storable in a database and comprise a list of original recorded digital audio files from original recorded digital video files that were recorded from at least two different digital sources at the same event and the input digital audio files have previously been synchronized such that exact locations of the input digital audio files within the same event has been determined or identified.
Evergig Music S.a.s.u.


10/29/15
20150310024 

Acoustic playback system


An acoustic playback system including a digital filter; and a plurality of digital modulators each of which output a digital signal to one of a plurality of speakers driven by digital signals having different play back bandwidths; wherein the digital filter converts a digital audio signal which is input into a plurality of digital audio signals of a plurality of frequency bandwidths corresponding to play back bandwidths of the speakers, and outputs each of the digital audio signals of the plurality of frequency bandwidths to one of the plurality of digital modulators; each of the digital modulators outputs the modulated digital signal to the speaker of a play back bandwidth corresponding to a frequency bandwidth of the digital audio signal which is input by performing miss-match shaping after noise shaping to a digital audio signal; and each number of bits of a digital signal of the digital modulators is different.. .
Trigence Semiconductor, Inc.


10/29/15
20150310011 

Systems and methods for processing textual information to identify and/or name individual digital tracks or groups of digital tracks


Systems and methods identify and/or label one or more digital multimedia tracks recorded at a same first event performed by a same artist. The systems and methods comprise accessing sample digital multimedia files that are storable in a database, wherein the sample digital multimedia files are original recorded digital videos that were recorded from multiple digital sources at the same first event, wherein the sample digital multimedia files have metadata comprising video titles associated with the sample digital multimedia files.
Evergig Music S.a.s.u.


10/29/15
20150309956 

Data terminal, data transmission system, and hot swapping control method


The present invention discloses a data terminal, a data transmission system, and a hot swapping control method. The data terminal includes a first processor, a first digital audio circuit, an interface isolator, a first usb circuit, and a first connecting apparatus, where the first connecting apparatus includes a first digital audio connecting apparatus and a first usb connecting apparatus.
Huawei Device Co., Ltd.


10/22/15
20150304769 

Method and device for recognition and arbitration of an input connection


Embodiments herein enable fast and easy interconnectivity among multimedia accessories including mobile devices and other devices. There is only limited space on mobile devices yet there are numerous input connectors.
Personics Holdings, Llc.


10/22/15
20150304708 

Digital decoder having a so-called "playback" mode of operation and comprising two buffer memories


A digital decoder for television receiver, comprises an input (e) for receiving a digital audio/video signal (sav), means for demodulating and decoding the input signal into an output signal intended for the television receiver, and a first buffer memory (8) into which the input signal is diverted after demodulation (sd) when the decoder is placed in a so-called “live” mode of operation. In a so-called “playback” mode of operation, the signal recorded in the first buffer memory constitutes the output signal.
Thomson Licensing


10/15/15
20150296266 

Methods and indexing and/or advertising in a user selected downloaded digital video recording


A method and apparatus of indexing a previously digitally recorded program of an audio and video program, including downloading at least two sections of the digital recording of the audio and video program, receiving an index of the digital audio and video program to be associated with the digital recording of the audio and video program so as to navigate the digital recording of the audio and video program, associating the index to the digital audio and video recording enabling a user of the digitally recorded audio and video program to navigate the digital recording of the audio and video program according to the index, and enabling the user to navigate the indexed associated digital recording of the audio/video program using the index applied to the digital recording of the audio and video program such that the program is interactively and continuously indexed on the multimedia device.. .

10/08/15
20150289054 

Mixer circuit, audio signal processing circuit, mixing audio signals, and audio device for a vehicle, audio component device and electronic device using the same


A mixer circuit includes a first d/a converter configured to convert a first digital audio signal to a first analog audio signal; an inverter configured to invert a polarity of a second digital audio signal to generate a third digital audio signal; a second d/a converter configured to convert the third digital audio signal to a second analog audio signal; and an output stage configured to add the first analog audio signal and the second analog audio signal by changing a polarity of one of the first analog audio signal and the second analog audio signal.. .

10/08/15
20150286460 

Apparatus and methods for gracefully managing audio discontinuity


Apparatus and methods for audio discontinuity management are disclosed. In certain implementations, an electronically-implemented method includes decoding one or more frames comprising digital audio data.

10/08/15
20150283394 

Using a double helix conductor to treat neuropathic disorders


An electrical system controlled, driven by and/or based on one or both of naturally occurring electrophysiological signals in a patient's body and/or digital audio files is used to produce electromagnetic fields to treat a neuropathic disorder of a patient.. .

10/08/15
20150283393 

Double helix conductor for medical applications using stem cell technology


An electrical system controlled, driven by and/or based on one or both of naturally occurring electrophysiological signals in a patient's body and/or digital audio files is used to produce electromagnetic fields to assist stem cell technology.. .

10/01/15
20150281854 

Direct digital audio adapter for hearing aids


An apparatus for sending a second digital audio signal to a hearing aid and has a power supply and an induction loop for sending an alternating magnetic field. The apparatus also has a controller which is galvanically, capacitively or inductively connected to the induction loop.
Siemens Medical Instruments Pte. Ltd


10/01/15
20150279424 

Sound quality of the audio portion of audio/video files recorded during a live event


A digital audio/video (av) file, or media file (file a) recorded at a live event using a handheld av recording device is uploaded by a client to an audio replacement service. The audio portion of the digital av file is of relatively low quality compared to an audio file (file b) of the live event created by sound engineers or other event personnel during the live event.

10/01/15
20150279378 

Lossless embedded additional data


Methods are disclosed for an encoder to embed a data stream into a quantised pcm digital audio signal and for a corresponding decoder to both retrieve the data stream and losslessly reconstruct the exact original audio. Some methods employ complimentary amplification and attenuation, while others employ gain redistribution.

10/01/15
20150277732 

Method for associating media files with additional content


A method for presenting digitally stored information to a user, including providing, from a server to a client device, timeline information having first and second time points, each time point being relative to when a user accesses the timeline information, the first time point being associated with a digital audio or digital video media file, the second time point being associated with additional content, the additional content being a text or a file comprising video, audio, image, text, a webpage, user comment or user rating in a digital format. Accessing the timeline information causes the client device to start a timing procedure, the client device automatically starting playing the media file when timing reaches the first time point of the timeline information and the client device automatically presenting, to the user, the additional content when the timing reaches the second time point of the timeline information..
Acast Ab


09/24/15
20150271598 

Radio to tune multiple stations simultaneously and select programming segments


Techniques describe tuning a plurality of radio stations, buffering digital audio data from each tuner, recognizing programming segments in the buffer, identifying content (e.g., song title and artist) of at least some segments, selecting from among the identified segments, and providing the selected segments to a listener. In an example, at least two signals are simultaneously tuned from at least two radio stations.

09/24/15
20150270892 

Digital audio system of an aircraft


A digital audio system of an aircraft comprising one or more pieces of audio equipment and one or more pieces of radio equipment providing a reliable side tone to the operators. The audio equipment and the radio equipment have installed in the proximity, respectively, an audio-terminal and a radio-terminal connected to a digital network including digital messages management units and digital signal processors.
Eads Construcciones Aeronauticas, S.a.


09/24/15
20150269134 

Method of annotating a document displayed on an electronic device


A system and method for creating a location tag and attaching and linking multiple attributes to that tag, including such attributes as digital audio files, video files, text and photographs, thereby facilitating subsequent finding of the location in an electronic document or display. In this way, the same or a different user can proceed directly to a location of interest to view and inspect the features identified in the linked attributes..
Imsi Design, Llc


09/17/15
20150264513 

Usb audio and power transmission


In general, aspects of the present disclosure may be directed to techniques for streaming audio over, and receiving power from a universal serial bus interface. In an example, a device includes at least one processor, an audio module operable by the at least one processor to generate digital audio data stream based on audio data stored at the device, convert the digital audio stream into an audio format compatible with output by a universal serial bus interface, and output the digital audio data stream to a universal serial bus host using a universal serial bus microphone interface, wherein the device and the universal serial bus host are coupled by a universal serial bus connection..
Google Inc.


09/17/15
20150263686 

Digital/analogue conversion


The application relates to digital to analogue conversion circuits having dynamic gain control. A digital variable gain element (102) may apply gain to an input digital signal (din) upstream of a dac (101) to make better use of the input range of the dac and an analogue variable gain element (103) applies a compensating analogue gain.
Wolfson Microelectronics Plc


09/17/15
20150263684 

Speaker temperature controller and method thereof


An audio device includes a digital-to-analog converter, an amplifier, a speaker, a power management unit and a temperature sensor. The digital-to-analog converter is configured to convert a digital audio signal into an analog audio signal.
Realtek Semiconductor Corp.




Digital Audio topics: Digital Audio, Motor Module, Transmitter, Quantization, Signal Processing, Audio Signal Processing, Radio Transmission, Ion Source, Audio Signals, Navigation, Mobile Receiver, File Transfer, Transducer, Io Processor, Duty Cycle

Follow us on Twitter
twitter icon@FreshPatents

###

This listing is a sample listing of patent applications related to Digital Audio for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Digital Audio with additional patents listed. Browse our RSS directory or Search for other possible listings.


1.4885

4998

2 - 1 - 102