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Digital Audio patents

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




 Multichip dynamic range enhancement (dre) audio processing methods and apparatuses patent thumbnailnew patent Multichip dynamic range enhancement (dre) audio processing methods and apparatuses
In accordance with embodiments of the present disclosure, a multichip circuit for processing audio signals having dynamic range enhancement information over two or more integrated circuits may include a host integrated circuit and a client integrated circuit. The host integrated circuit may be configured to determine a dynamic range enhancement gain for a digital audio input signal, process the digital audio input signal in accordance with the dynamic range enhancement gain, and transmit audio data based on the processed digital audio input signal.
Cirrus Logic, Inc.


 Real-time wireless synchronization of live event audio stream with a video recording patent thumbnailnew patent Real-time wireless synchronization of live event audio stream with a video recording
Systems and methods are presented herein that facilitate temporally synchronizing, in real time, a separately sourced high quality audio segment of a live event with a video segment that is generated by a recording device associated with a member of the audience. An a-v synchronization application may synchronize a video segment of a live event that is generated from a personal electronic device of an audience member with a high quality audio segment that is separately sourced and generated by professional sound recording equipment at the live event.

 Distributed media stream synchronization control patent thumbnailnew patent Distributed media stream synchronization control
One or more system, apparatus, method, and computer readable media is described below for wireless display synchronization of audio and video data streams received through a direct wireless link between a content source and sink. In some embodiments, the presentation time stamp (pts) associated with the encoding of a digital audio and digital video data stream into a compressed packetized data stream at the source is utilized as a control point for synchronization of the digital audio and video stream payloads presented at the sink.
Intel Corporation


 Replacing an encoded audio output signal patent thumbnailnew patent Replacing an encoded audio output signal
Replacement of an encoded audio output signal is disclosed. In one example, a data set comprising a first encoded audio output signal and associated pre-stored digital audio input signals captured with a microphone array of an apparatus is received.
Microsoft Technology Licensing, Llc


 Playback based on wireless signal patent thumbnailPlayback based on wireless signal
Systems, methods, and apparatus to calibrate sounds fields are disclosed. An example implementation involves a playback device detecting a change in a strength of a wireless signal received by the playback device via a wireless network interface.
Sonos, Inc.


 Audio processing device patent thumbnailAudio processing device
A modular audio processing apparatus that joins channels together such that four digital audio channels can be transmitted over a single connection, where the apparatus includes housing around a plurality of analog inputs, a plurality of analog outputs, a plurality of digital inputs, and a plurality of digital outputs.. .

 Method and  processing a recording patent thumbnailMethod and processing a recording
A method and apparatus for processing a recording is described. Analogue audio data is recorded and converted into digital audio data.
Tencent Technology (shenzhen) Company Limited


 Adjusting audio sampling used with wideband audio patent thumbnailAdjusting audio sampling used with wideband audio
A system and method of adjusting digital audio sampling used with wideband audio includes: performing audio sampling on an analog audio signal at an initial sampling rate and an initial bit rate over a wideband audio frequency range; generating a digital audio signal based on the audio sampling; detecting a qualitative error rate between the analog audio signal and the digital audio signal; and decreasing the initial sampling rate, the initial bit rate, or both for sampling subsequent analog audio when the qualitative error is below a threshold.. .
Gm Global Technology Operations Llc


 Audio signal transient detection patent thumbnailAudio signal transient detection
Provided are, among other things, systems, methods and techniques for detecting whether a transient exists within an audio signal. According to one representative embodiment, a segment of a digital audio signal is divided into blocks, and a norm value is calculated for each of a number of the blocks, resulting in a set of norm values for such blocks, each such norm value representing a measure of signal strength within a corresponding block.
Digital Rise Technology Co., Ltd.


 Remote controlled digital audio mixing system patent thumbnailRemote controlled digital audio mixing system
An audio mixing system for providing an audio processing interface at a mobile device may include a mobile device including an interface configured to present a display screen to receive user input to control a remote audio mixer that is operably coupled to at least one musical instrument, transmit, via a wireless network, a mobile device command indicating an audio setting, the command being generated in response to user input, receive, via the wireless network and in response to the mobile device command, first mixer data indicative of audio settings of the remote audio mixer, and present an updated display screen, the updated display screen reflecting the first mixer data as a result of the mobile device command to present a real-time display of the audio settings of the remote audio mixer.. .
Harman International Industries Limited


Binaural rendering for headphones using metadata processing


Embodiments are described for a method of rendering audio for playback through headphones comprising receiving digital audio content, receiving binaural rendering metadata generated by an authoring tool processing the received digital audio content, receiving playback metadata generated by a playback device, and combining the binaural rendering metadata and playback metadata to optimize playback of the digital audio content through the headphones.. .
Dolby Laboratories Licensing Corporation


Device and method to mark digital audio or audio and/or video content


A receiver device having a processor, memories, descrambler and decoders modules configured to produce a sequence of elementary media content packets. The receiver device further comprises a marker unit configured to mark data in the sequence of elementary media content packets according to a pattern defined by an internal parameter associated to the receiving device.
Nagravision S.a.


Synchronizing a plurality of digital media streams by using a descriptor file


A method is provided in which a descriptor file is created for synchronizing a plurality of digital media streams. A plurality of time offsets are identified in a timeline of a digital audio narration of a first digital media stream, and the plurality of time offsets and a corresponding plurality of content points are stored in the descriptor file in a manner indicating a correlation therebetween.
Audio Pod Inc.


Interactive hearing diagnosis and treatment system based on wireless mobile communication platform


Disclosed is a device for hearing tests and auditory assessments, including: an all-digital audio and tone signal synthesis generator for converting a logic algorithm and a parameter into a digital signal via built-in software, and inputting the digital signal into a digital signal processor (dsp) or processing the same with a pc central processor (cpu) to generate and output a multi-modal audio and tone acoustic signal; a hearing test module, comprising one or more objective and/or subjective hearing test submodules, sharing corresponding stimulation or interference signals converted by signals input by the same all-digital audio and tone signal synthesis generator, in order to perform a hearing test on a patient; and a comprehensive auditory assessment module for performing comprehensive auditory assessment on the hearing test result output by each hearing test submodule.. .
Jiangsu Betterlife Medical Co., Ltd.


Radio communication system, radio apparatus, radio communication method, packet generation method, and reproducing data from packet


A transmission unit of a radio apparatus generates a packet including: a header part containing identifier data identifying at least a transmission destination radio station and a transmission source radio station; and a data part in which an audio frame and a data frame, each having a predetermined length, are consecutively arranged one after another. When communication is performed in a fast data mode in which data for data communication to be transmitted, instead of a digital audio signal, is inserted in the audio frame, the transmission unit generates, according to an instruction from the controller, a packet in which data for data communication is inserted in the audio frame and the data frame, and the transmission unit converts the packet into a radio signal and transmits the radio signal..
Icom Incorporated


Method 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


Digital 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


Audio 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.


System 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.


Wireless 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.

Sample 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


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


Digital 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


Audio 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


Acoustic 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.. .

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


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..

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.

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


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.


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


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


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


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


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.


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


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.


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


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.

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


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.



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


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.


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


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.

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.

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.

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.


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.

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..

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.


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.


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.


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.


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


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.

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.. .

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.

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.

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


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.


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


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.


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


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


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.


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.


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.


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.


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.

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


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..

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.


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.


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.


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.


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.


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.


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.


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


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.


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.


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


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


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


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.


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.


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


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


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


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.. .

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.


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.


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.


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.


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.


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.


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




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


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