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Digital Audio patents



      
           
This page is updated frequently with new Digital Audio-related patent applications. Subscribe to the Digital Audio RSS feed to automatically get the update: related Digital RSS feeds. RSS updates for this page: Digital Audio RSS RSS


Digital audio transmitter and receiver

Summit Semiconductor

Digital audio transmitter and receiver

User interface control in a networked audio system

Bose

User interface control in a networked audio system

User interface control in a networked audio system

Summit Semiconductor

Digital audio transmitter and receiver

Date/App# patent app List of recent Digital Audio-related patents
04/09/15
20150100980
 Method and system for adding a conditional access system patent thumbnailMethod and system for adding a conditional access system
A method and system for adding a conditional access system to a digital audio/video transmission system that delivers content from a source to a security device associated with an audio/video processing device by providing at the broadcast source a datastream having system information data including an unused identifier reserved for security data associated with the additional conditional access system.. .
Thomson Licensing
04/09/15
20150100857
 Digital audio transmitter and receiver patent thumbnailDigital audio transmitter and receiver
A method for increasing the fidelity of digitally encoded audio, comprising interleaving the signal, frequency conversion, and polynomial interpolation.. .
Summit Semiconductor Llc
04/09/15
20150100623
 User interface control in a networked audio system patent thumbnailUser interface control in a networked audio system
A method for implementing a user interface (ui) control in a networked audio system that includes a plurality of audio playback devices that are adapted to play audio and that are operatively connected to a network over which audio data is delivered from a digital audio source to the audio playback devices, where the networked audio system further includes a control device that is operatively connected to the network and that has a display that is adapted to display a representation of a ui, and where the control device comprises an operating system (os) and a native application program written for the control device os, and memory. There is a local ui program that is stored in the control device memory.
Bose Corporation
04/09/15
20150100325
 Digital audio transmitter and receiver patent thumbnailDigital audio transmitter and receiver
A method for increasing the fidelity of digitally encoded audio, comprising interleaving the signal, frequency conversion, and polynomial interpolation along with comparison to a second, redundant signal.. .
Summit Semiconductor Llc
04/09/15
20150100143
 Synchronous audio playback patent thumbnailSynchronous audio playback
A method and device for synchronously playing audio data over a number of audio playback devices that are connected to a network. The distribution of particular audio data to a plurality of audio playback devices that are adapted to play audio, where the audio playback devices are all connected to a network over which audio data is delivered from a digital audio source to the audio playback devices, can be accomplished by determining when more than one of the audio playback devices has been directed to play the particular audio data, and in response to the determination directing that two or more of the audio playback devices synchronously play the particular audio data..
Bose Corporation
04/09/15
20150100142
 Audio systems and related devices and methods patent thumbnailAudio systems and related devices and methods
A method for creating a stream of content for an audio system is provided. The method includes obtaining text metadata identifying each audio track of a selected collection of audio content, the selected collection of audio content being selected for playback from a first audio playback device of the audio system, and forwarding the text metadata identifying each audio track of the selected collection of audio content to a digital audio source to enable the digital audio source to select audio content containing additional audio content based on the text metadata..
Base Corporation
04/09/15
20150098559
 Synchronizing audio signal sampling in a wireless, digital audio conferencingt system patent thumbnailSynchronizing audio signal sampling in a wireless, digital audio conferencingt system
A digital audio conferencing system has a fixed base station that is in communication with a far end (r.e.) system over a communication network. The base station is associated with a wireless loudspeaker and one or more wireless microphones.
03/19/15
20150081069
 Audio  portable devices patent thumbnailAudio portable devices
An audio apparatus for a portable device is provided. The portable device includes computing hardware coupled to associated data memory, which stores one or more audio or computer program products that include a plurality of audio libraries.
Applifier Oy
03/19/15
20150078562
 Playing audio in trick-modes patent thumbnailPlaying audio in trick-modes
A method of playing a digital audio signal at a speed different from that at which it was recorded. The method comprises: playing a first segment of the signal; skipping to a second segment that is not contiguous with the first segment; and playing the second segment, wherein at least one of the first and second segment is played at a rate different from the rate at which it was recorded..
Nxp B.v.
03/12/15
20150073573
 Dual purpose audio player in cassette housing with built-in display and controls patent thumbnailDual purpose audio player in cassette housing with built-in display and controls
A fully functioning dual purpose digital audio player presented in cassette-shaped housing which incorporates a display, control buttons, audio output, and remote control. .
Dronk, Llc
03/12/15
20150072778

Wagering game having seamless looping of compressed audio


Gapless looping playback of an audio sound seamlessly without any silence between loops. An uncompressed digital audio file is divided and encoded using an mp3 encoder to produce two encoded files, a and b.
Wms Gaming Inc.
03/12/15
20150071458

Network audio distribution system and method


Audio content distribution from audio sources to client terminals through a network. An audio source interface receives raw audio from an audio source, and converts it into a digital audio clip in a digital audio packet, containing a timestamp and a channel identity corresponding to the audio source.
Rangecast Technologies, Llc
03/12/15
20150071137

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.
03/12/15
20150070832

Docking station with audio output


Docking stations that may interface with various types of accessories. One example may physically and electrically support a connection to a portable computing device in either one or two orientations.
Apple Inc.
03/05/15
20150066655

Non-montary compensation scheme for digital rights management-free digital audio file transmissions


The present disclosure relates generally to the field of digital audio file downloading, and more particularly to digital rights management-free digital audio file downloading. A computing device receives a request for a digital audio file from a user, wherein the digital audio file is protected by intellectual property rights.
03/05/15
20150063602

Exchange of metadata between a live sound mixing console and a digital audio workstation


A system for transferring metadata between an audio mixing console and a digital audio workstation connected by an audio link and a computer network. The audio mixing console and the digital audio system implement an ethernet-based communication protocol for sending messages between them over the network connection, the messages including metadata specifying a plurality of settings on the audio mixing console corresponding to audio information received by the audio mixing console during a live performance.
Avid Technology, Inc.
03/05/15
20150063597

Systems and methods for simulation of mixing in air of recorded sounds


A priming signal processing technique modifies digital audio recordings to reduce the stress experienced by a listener's auditory system. A priming signal may reduce the instantaneous stress experienced by the auditory system during sudden changes in signal energy.
03/05/15
20150063578

System and methods for motion restoration in acoustic processing of recorded sounds


A motion signal processing technique modifies digital audio recordings in order to restore a sense of motion, liveliness, and spatial dynamics. The technique compensates for the static presentation of sound created by modern recording and sound synthesis techniques and common modern playback equipment such as headphones and ear buds in order to create a more natural, immersive, and enjoyable listening experience..
Amos Dm, Llc
03/05/15
20150063573

Systems and methods for simulation of mixing in air of recorded sounds


A mixing signal processing technique modifies digital audio recordings to simulate the linear and nonlinear effects of propagation and mixing of sounds in air. When multiple sounds or complex sounds comprised of multiple frequencies in the audible spectrum propagate in such a nonlinear medium, they transfer energy into sound at new frequencies given by the sums and differences of the original signal frequencies.
03/05/15
20150061823

Remote control unit for activating and deactivating means for payment and for displaying payment status


The invention relates to a remote control unit for intelligent digital audiovisual reproduction systems, comprising storage means, payment means, a sound control circuit, display means and a metal chassis wherein said remote control unit comprises a distant radio frequency transmitter that is associated with a radio frequency receiver connected to the sound control circuit of the audiovisual reproduction system.. .
Touchtunes Music Corporation
02/26/15
20150058024

Wireless cellular telephone with audio codec


A wireless cellular telephone with an audio codec for converting digital audio signals to analog audio signals. The audio codec comprises two digital audio bus interfaces for coupling to respective digital audio buses, and a digital-only signal path between the two digital audio bus interfaces, such that no analog processing of the audio signals occurs in the digital-only signal path..
Wolfson Microelectronics Ltd.
02/26/15
20150058023

Method and system for translating speech


An electronic communication device (104) receives a first set of digital audio signals via radio frequency signaling, translates the first set of digital audio signals from speech of a first language (e.g. English) into translated speech of a second language (e.g., french), and emits the translated speech of the second language via a loudspeaker (226).
Motorola Mobility Llc
02/26/15
20150055934

Enhancing karaoke systems utilizing audience sentiment feedback and audio watermarking


A digital audio/video (a/v) content can be selected from a data store within a computing device. The content can include a vocal free recording and a subsequently recorded vocal track generated by a user.
International Business Machines Corporation
02/19/15
20150052545

Method to bind the use of a television receiver to a particular network


A method to bind the use of a digital audio/video service data receiver to a network on which at least one services provider broadcasts access controlled and free digital audio/video services streams, the method having the steps: receiving by the receiver a periodic signal transmitted by a conditional access system server via the network, said periodic signal being processed by a run time software embedded in the receiver to check legitimacy of the network; displaying services available on the network only if said run time software recognizes the periodic signal as indicating network legitimacy; and checking operability of the run time software and if necessary taking actions to enforce limitation of using the receiver on the network checked as legitimate. The invention further discloses a receiver bound to a specific network configured to perform the method..
Nagravision S.a.
02/12/15
20150044652

Analyzing or emulating a dance performance through dynamic point referencing


The systems and methods taught herein are generally directed to a dynamic point referencing of an audiovisual performance for an accurate and precise selection and controlled cycling of portions of the performance. The dynamic point referencing can be used by a learning artist, for example, in analyzing or performing a portion of the work through an accurate and precise digital audio/video instructional method having the controlled cycling feature.
Jammit, Inc.
02/05/15
20150039972

Apparatus, merging code layers for audio encoding and decoding and error correction thereof


Apparatus, system and method for encoding and decoding ancillary code for digital audio, where multiple encoding layers are merged. The merging allows a greater number of ancillary codes to be embedded into the encoding space, and further introduces efficiencies in the encoding process.
The Nielsen Company (us), Llc
02/05/15
20150039322

Apparatus, merging code layers for audio encoding and decoding


Apparatus, system and method for encoding and decoding ancillary code for digital audio, where multiple encoding layers are merged. The merging allows a greater number of ancillary codes to be embedded into the encoding space, and further introduces efficiencies in the encoding process..
The Nielsen Company (us), Llc
02/05/15
20150039321

Apparatus, reading codes from digital audio on a processing device


Apparatus, system and method for reading ancillary code embedded into digital audio, where a processing device executes a decoder application that includes a decoder application interface that is communicatively coupled to a media player application within one or more frameworks of the processing device. As digital audio is received and sampled, the decoder application is configured to transform the digital audio from a time domain to a frequency domain and to process frequency characteristics to determine the presence of ancillary audio codes..
Arbitron Inc.
01/22/15
20150023345

Example-based audio inpainting


A method for packet loss concealment, comprising: continuously receiving a digital audio stream; extracting audio features from the digital audio stream while the digital audio stream is unharmed; and upon detecting a gap in the digital audio stream, filling the gap with one or more previous segments of the digital audio stream, wherein said filling is based on a matching of the one or more of the extracted audio features with one or more audio features adjacent to the gap.. .
Technion Research And Development Foundation Ltd.
01/01/15
20150004900

Method and wireless digital radio


A method and apparatus are provided for a first controlled device, such as a wireless local transmitter that accepts a plurality of digital audio signals and corresponding program information signals converted from a controlled source, such as the encoded digital data provided by a digital data signal source, typically a community antenna television (catv) cable or direct broadcast satellite, then modulates said digital audio and corresponding program information signals on different carrier frequencies and transmits the modulated signals to a plurality of second controlled devices, such as remote digital receiver/tuners that demodulate said signals to output music in stereophonic sound and display the corresponding program information by means of an alphanumeric display. The first and second controlled devices contain microprocessor systems for communicating, controlling, storing, processing, and display of digital data within the operation of the respective system.
Dima Communications Inc.
01/01/15
20150003595

System, method and computer program product for a universal call capture device


A system, method and computer program product records call data, may include, an input couplable to an audio source, memory; network interface; and processor(s), configured to: detect a call, capture digital audio data, and transmit digital audio data over the network interface to a network accessible resource. The apparatus may include processor(s) to record a call, audio (e.g., speaker, etc); and/or any other content such as video/image(s) from webcam; user screen capture (e.g., employee) computing device; environmental sensor data (e.g., temperature, etc.); geo-location information from a device (e.g., gps); computer usage; electronic communications (e.g., email, etc.); or social networking activities; to provide/transmit activity information to a network cloud to store, or to process (e.g., analysis, or viewing); to make activity information available to: perform any of analyzing, viewing, reporting, training, or alert; to attach a user activity record to it systems to verify user commitments/verification..
Transparency Sciences, Llc
12/25/14
20140373263

Smart toilet systems and methods


A plumbing fixture includes a basin, a plumbing system configured to supply water to the basin, a processing circuit, and a housing containing the plumbing system and the processing circuit. The housing includes ports on the second face allowing access to a digital audio input, the plumbing fixture configured to output audio via a speaker based on the digital audio input.
Kohler Co.
12/18/14
20140373042

Method and system for secure processing a stream of encrypted digital audio/video data


Method and system to prevent control words sharing. The system comprises a receiver capable of processing a digital data stream.
Nagravision S.a.
12/18/14
20140372759

Copy protection scheme for digital audio and video content authenticated hdcp receivers


A method of delivering digital audio and video content and a hdcp source device are disclosed herein. In one embodiment the method includes: (1) receiving an encryption key from a potential receiver of the digital audio and video content, (2) authenticating the potential receiver is an hdcp compliant device and (3) in addition to the authenticating, verifying the potential receiver is a trusted device for receiving the digital audio and video content..
Rearl Image Media Technologies (p)ltd.
12/18/14
20140369502

Digital audio software stereo plugin


A process and system for enhancing and customizing audio recording and editing comprises receiving an input audio sound; setting a preset for the input audio sound to create a presetted audio sound; tone adjusting the presetted audio sound to create a tone adjusted presetted audio; expanding the tone adjusted presetted audio in a horizontal plane to create an presetted tone adjusted expanded audio; and outputting the presetted tone adjusted expanded audio. There are three options for selecting the preset.
Max Sound Corporation
12/18/14
20140366410

Pop-up greeting cards with confetti


An interactive electronic greeting card with pop up feature includes a three-sided 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
12/11/14
20140363006

Hearing device with a means for receiver current estimation and a estimating a receiver current for a hearing device


A hearing device with a unit for estimating the current consumed by the receiver of the hearing device. The hearing device includes a signal input unit for converting an input signal picked up by the signal input unit into a digital audio signal, a signal processing unit for processing the digital audio signal, a digital-to-analog converter for converting a processed audio signal from the signal processing unit, a power amplifier for amplifying a converted audio signal from the digital-to-analog converter, a receiver for generating sound according to an amplified audio signal from the power amplifier, and a battery for powering the hearing device.
11/27/14
20140351053

Method and system for providing targeted marketing and services in an sdars network


A targeted area audio distribution system for satellite digital audio radio services receivers (“sdars”) provides specific content to listeners based on location. A service provider can facilitate delivery of local content using a telematics device installed in the listener's vehicle.
11/27/14
20140348357

Sound effect adjustment method, apparatus and device


A sound effect adjustment method, apparatus and system are provided that are applicable to the sound box field. The method includes: detecting the number of connected sound boxes, a sound box orientation angle, and a distance between a sound box and a listener; selecting a corresponding sound field model; loading the distance between the sound box and the listener and the sound box orientation angle, and adjusting a sound field transmission function; and adjusting a digital audio signal and outputting the adjusted digital audio signal.
11/20/14
20140341398

Multichannel digital audio interface


A multichannel input device with automatic number-of-channels detection includes an automatic channel and bit depth detector, a digital audio interface (dai), an analog device, and a digital-to-analog converter (dac) coupling the dai to the analog device. The automatic number-of-channels and bit depth detector has a bclk input, a lrclk input, a number of channels nchan output, and a bit depth b output.
11/20/14
20140341393

Electronic device and reproducing audio signals


In a method of reproducing audio signals using an electronic device, the electronic device decodes an audio file to generate original digital audio signals, and attenuates the original digital audio signals having frequencies that are lower than a preset cutoff frequency. The electronic device further amplifies each of attenuated digital audio signals and the original digital audio signals having frequencies that are higher than the preset cutoff frequency with a preset gain.
11/20/14
20140341383

Noise reduction via tuned acoustic echo cancellation


An embodiment provides a method, including: accessing a tuned corrective mask stored in a memory device; forming, using a processor, a tuned acoustic echo cancellation mask utilizing the tuned-corrective mask; applying, using a processor, the tuned acoustic echo cancellation mask to a digital audio signal; and outputting an echo-cancelled audio signal. Other aspects are described and claimed..
11/13/14
20140337579

Entertainment memory device


A digital memory device comprising: stick shaped memory chip; and read only memory. The digital memory device provides a means to store digital audio and video files for playback..
11/13/14
20140337420

System and recording music which allows asynchronous collaboration over the internet


A system for recording music is disclosed. The system for recording music comprises an audio plug-in, wherein the plug-in is configured to be incorporated to a computer having a digital audio workstation, wherein the plug-in allows for asynchronous collaboration of a plurality of audio files recorded by a plurality of collaborators, wherein the audio files are transmitted and received among the plurality of collaborators via the internet.
11/13/14
20140336801

Acoustic apparatus


An acoustic apparatus includes a signal processor configured to generate an analog audio signal based on a digital audio signal. The digital audio signal includes a first silent part and a sound part subsequent to the first silent part.
11/13/14
20140334635

7ghz professional wireless microphone system


A wireless microphone system for the transmission and reception of high fidelity analog or digital audio information uses the 7 ghz frequency spectrum. In particular, the system has ultra-low latency and is capable of being used within existing receiver infrastructure allocated to program making and special events (pmse).
11/13/14
20140334625

Digital audio distribution


A master transmitter distributes a plurality of audio channels to one or more expansion receivers as a multiplexed audio stream. Control information is also transmitted between the master transmitter and the expansion receivers.
11/06/14
20140329456

Proximity synchronization of audio content 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.
11/06/14
20140328598

Infrared reception circuit and infrared reception method


An infrared reception circuit and an infrared reception method are provided. The infrared reception circuit includes an infrared receiver for receiving infrared signals and converting the infrared signals into analog signals, an amplifier for amplifying the analog signals, an analog/digital converter for converting the amplified analog signals into digital signals, a digital filter for filtering the digital signals via respective frequency bands, a digital frequency-adjusting demodulator for demodulating the filtered digital signals into digital audio frequency signals, and a digital/analog converter for converting the digital audio frequency signals into analog audio signals.
10/30/14
20140325564

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 comprising: first, downloading the digital recording of the audio and video program; second, downloading from a server 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; third 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 fourth, 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 among many other aspects not allowed regarding the length of this abstract.. .
10/30/14
20140324440

Detection of an audio signal transient using first and second maximum norms


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.
10/30/14
20140324422

Synchronous audio distribution to portable computing devices


Analog audio inputs are processed by a digital signal processor and rebroadcast over a local wireless network synchronous with a separate broadcast device or in real time with a live audio source. A software application on a portable computing device provides end-users the option to select from a plurality of audio source streams, cached translations of preprocessed audio streams and speech-to-text captioning.
10/23/14
20140314240

Device and simulating spatial sound


The invention relates to a system for simulating stereophonic sound (1), comprising the following: a core module (10) having a space simulation module (11), an echo module and an interface module (15), a control module (20), a digital audio delay matrix module (21), and a digital audio/network system (30). The invention is characterized in that said system provides an echo and/or directional acoustic irradiation on the basis of a system latency less than 2.5 ms by means of the core module (10), the control module (20), and the digital audio network system.
10/23/14
20140313871

System and controlling audio source


An apparatus for signal processing, wherein a disc is placed on a turntable and is provided with a groove which can be followed by the pick-up element, and employing a time-code signal wherein during use of the disc the said time-code signal controls the digital audio source.. .
10/23/14
20140313862

Proximity-detection systems and methods


When two or more devices are near each other, they are likely to hear the same ambient sounds. To detect such proximity, each device captures a short digital audio signal from its microphone and uploads it to a proximity-detecting service along with a timestamp that indicates when the clip was captured.
10/16/14
20140307893

Digital audio routing system


A digital audio routing system providing a process and system for managing multi-channel audio signals and a plurality of language signals, and decoding the signals into serial sound data to create a program serial data and a plurality of language serial data. The program serial data and the plurality of language serial data are aligned, and the program serial data is separated.
10/16/14
20140307089

Video conversion device


A video conversion device includes a video signal input port, an audio signal input port, a signal processing module and a signal output module. The video signal input port and a video capture device is connected via a connecting assembly having a plug and a socket for receiving an external analog video signal from the video capture device.
10/09/14
20140304790

Digital content distribution and subscription system


Digital content distribution systems and methods are provided for distributing for digital data files, such as digital audio and video data files. In accordance with one implementation, a token-based authentication system is provided that does not require knowledge of the individual user requesting the download of digital content data or real-time access to user account information.
10/09/14
20140304423

Proximity synchronization of audio content 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.
10/09/14
20140304374

Transmission of digital audio data


A system, method and computer-readable code for segmenting an audio stream into a plurality of small digital audio files using gaps in the natural language of the audio stream is provided. The small digital audio files are transmitted, loaded, and played in a specific order, such that from the user's perspective, the audio stream is reproduced in an apparently seamless manner.
10/09/14
20140301564

System and identification and management of audio streams in a live sound environment


Method and system for the association of sound-producing sources with network audio interfaces in a live sound environment using networked digital audio for audio stream transport. An embodiment provides for efficient setup of a live sound environment that can be replicated with the same efficiency each time it is setup.
10/02/14
20140296937

Pulsed infrared modulation of a photovoltaic cell cochlear implant for the multichannel electrical depolarization of spiral ganglion cells to achieve sound percept


A hearing assistance device for use with respect to a mastoid cavity and an ear canal with a tympanic membrane, external ear canal bone, incudo-stapedial joint of an ossicular chain and a cochlea having a round window membrane. The device includes a removable unit with a microphone to convert a received sound into electrical sound signals, and includes a digital audio signal processor to process the electrical sound signals into envelopes of the electrical sound signals, and includes an infrared transmitter to transmit the envelopes of sound signals as packages of infrared light pulses.
10/02/14
20140294204

Audio amplifier mode transition


An audio amplifier is to transition between a power-down mode and an active mode, based on assertion and deassertion of a power down signal. A power down control module is to selectively assert and deassert the power down signal to the audio amplifier.
10/02/14
20140292593

Multiband mimo antenna assemblies operable with lte frequencies


According to various aspects, exemplary embodiments are disclosed herein of multiple input multiple output (mimo) antenna assemblies operable over multiple frequency bands, including lte (long term evolution) frequencies (e.g., 4g, 3g, other lte generation, b17 (lte), lte (700 mhz), etc.). In various embodiments, an antenna assembly generally includes a first or primary cellular antenna and a second or secondary cellular antenna.
09/25/14
20140286506

Digital audio mixing device


A mixer includes a plurality of input channels, a plurality of input groups, and a plurality of group strips that adjust values of parameters of the input groups. The mixer preliminarily prepares a plurality of group presets having data required for setup of group modules as presets, and each group preset has attribute information including musical genre, number of input channels, and instrument kind.
09/25/14
20140286502

Audio playback system and method used in handheld electronic device


An audio playback system used in a handheld electronic device is provided. The audio playback system comprises an audio interface, a control module, an audio processing module and at least two audio playback modules.
09/25/14
20140286494

Microphone detection and selection circuit and method


The present invention discloses a microphone detection circuit for detecting whether an external device includes a microphone. The microphone detection circuit comprises: an audio circuit for receiving an analog input signal which is a signal from the external device or a preset signal.


Popular terms: [SEARCH]

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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