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US20140358565 COMPRESSION OF DECOMPOSED REPRESENTATIONS OF A SOUND FIELD  
In general, techniques are described for obtaining decomposed versions of spherical harmonic coefficients. A device comprising one or more processors may be configured to perform the techniques,...
US20100312568 METHODS AND APPARATUS FOR PROCESSING AUDIO SIGNALS  
Various methods and apparatus for processing audio signals are disclosed herein. The assembly may be attached, adhered, or otherwise embedded into or upon a removable oral appliance to form a...
US20140046672 Signal Classification Method and Device, and Encoding and Decoding Methods and Devices  
Embodiments of the present invention provide a signal classification method and device, and encoding and decoding methods and devices. The encoding method includes dividing a current frame into a...
US20120029926 SYSTEMS, METHODS, APPARATUS, AND COMPUTER-READABLE MEDIA FOR DEPENDENT-MODE CODING OF AUDIO SIGNALS  
A scheme for coding a set of transform coefficients that represent an audio-frequency range of a signal uses information from a reference frame that describes a previous frame of the signal to...
US20110106546 SCALABLE LOSSLESS AUDIO CODEC AND AUTHORING TOOL  
An audio codec losslessly encodes audio data into a sequence of analysis windows in a scalable bitstream. This is suitably done by separating the audio data into MSB and LSB portions and encoding...
US20150095040 OBJECT-BASED AUDIO-VISUAL TERMINAL AND BITSTREAM STRUCTURE  
As information to be processed at an object-based video or audio-visual (AV) terminal, an object-oriented bitstream includes objects, composition information, and scene demarcation information....
US20130110522 ENERGY LOSSLESS-ENCODING METHOD AND APPARATUS, AUDIO ENCODING METHOD AND APPARATUS, ENERGY LOSSLESS-DECODING METHOD AND APPARATUS, AND AUDIO DECODING METHOD AND APPARATUS  
A lossless encoding method is provided that includes determining a lossless encoding mode of a quantization coefficient as one of an infinite-range lossless encoding mode and a finite-range...
US20100082352 SCALABLE LOSSLESS AUDIO CODEC AND AUTHORING TOOL  
An audio codec losslessly encodes audio data into a sequence of analysis windows in a scalable bitstream. This is suitably done by separating the audio data into MSB and LSB portions and encoding...
US20090265164 Method for Encoding and Decoding Object-Based Audio Signal and Apparatus Thereof  
The present invention relates to a method for encoding and decoding object-based audio signal and an apparatus thereof. The audio decoding method includes extracting a first audio signal in which...
US20090210239 Method for Encoding and Decoding Object-Based Audio Signal and Apparatus Thereof  
The present invention relates to a method and apparatus for encoding and decoding object-based audio signals. This audio decoding method includes extracting a first audio signal and a first audio...
US20160171987 SYSTEM AND METHOD FOR 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...
US20120239409 BIT-STREAM PROCESSING/TRANSMITTING AND/OR RECEIVING/PROCESSING METHOD, MEDIUM, AND APPARATUS  
A method, medium, and apparatus hierarchically coding/decoding audio data, such as bit sliced arithmetic coding (BSAC), such that payloads of audio data and extension data can be grouped and...
US20110196687 Method and Apparatus for Decoding an Audio Signal  
An apparatus for decoding an audio signal and method thereof are disclosed. The present invention includes receiving the audio signal and spatial information, identifying a type of modified...
US20100228554 MULTI-OBJECT AUDIO ENCODING AND DECODING METHOD AND APPARATUS THEREOF  
Provided are a multi-object audio encoding and decoding method and an apparatus thereof. The multi-object encoding method includes generating a down-mix signal and a residual signal by down-mixing...
US20080281604 METHOD AND APPARATUS TO ENCODE AND DECODE AN AUDIO SIGNAL  
A method and apparatus to encode and decode an audio signal. In the encoding method and apparatus, one or more important frequency components may be detected from an audio signal, the frequency...
US20080077410 SYSTEM AND METHOD FOR PROVIDING REDUNDANCY MANAGEMENT  
A system and method for efficiently implementing redundancy management in speech coding applications. According to various embodiments of the present invention, a sending device selects a...
US20170116997 APPARATUS AND METHOD FOR ENCODING A MULTI CHANNEL AUDIO SIGNAL  
An encoding apparatus comprises a frame processor (105) which receives a multi channel audio signal comprising at least a first audio signal from a first microphone (101) and a second audio signal...
US20140046670 AUDIO ENCODING METHOD AND APPARATUS, AUDIO DECODING METHOD AND APPARATUS, AND MULTIMEDIA DEVICE EMPLOYING THE SAME  
Provided is a method of encoding an audio signal. A method of encoding an audio signal includes generating a modified signal of a time domain to compensate a frequency resolution in frame units,...
US20130238344 COMPUTATIONALLY EFFICIENT AUDIO CODER  
The present invention provides a computationally efficient technique for compression encoding of an audio signal, and further provides a technique to enhance the sound quality of the encoded audio...
US20110178808 Method and Apparatus for Decoding an Audio Signal  
An apparatus for decoding an audio signal and method thereof are disclosed. The present invention includes receiving the audio signal and spatial information, identifying a type of modified...
US20080255859 Method for Encoding and Decoding Multi-Channel Audio Signal and Apparatus Thereof  
Methods and apparatuses for encoding and decoding a multi-channel audio signal are provided. In the decoding method, a down-mix signal is generated based on an input signal, and spatial...
US20170004838 Processing Audio Signals with Adaptive Time or Frequency Resolution  
In some aspects, a method performed in an audio processing apparatus for decoding an audio signal encoded with variable time-frequency resolution is disclosed. The method includes receiving the...
US20070094035 Audio coding  
An audio coding method is described that includes receiving an input audio signal, splitting the input audio signal into at least two sub-bands, downscaling the at least two sub-band with a factor...
US20060031075 Method and apparatus to recover a high frequency component of audio data  
A method and an apparatus to recover a high frequency component of an MP3 encoded audio signal in an audio decoder. The method includes: generating a filter bank value of a low frequency band from...
US20150332698 APPARATUS AND METHOD FOR SELECTING ONE OF A FIRST ENCODING ALGORITHM AND A SECOND ENCODING ALGORITHM  
An apparatus for selecting one of a first encoding algorithm having a first characteristic and a second encoding algorithm having a second characteristic for encoding a portion of an audio signal...
US20100324913 Method and System for Block Adaptive Fractional-Bit Per Sample Encoding  
A method of encoding samples in a digital signal is provided that includes receiving a frame of N samples of the digital signal, computing a data value range L of the N samples, determining a...
US20090299757 METHOD AND APPARATUS FOR ENCODING AND DECODING  
An method for encoding comprising: obtaining, according to a data length of a first overlapped portion between encoding data of a current frame and encoding data of a previous frame, first...
US20090198500 TEMPORAL MASKING IN AUDIO CODING BASED ON SPECTRAL DYNAMICS IN FREQUENCY SUB-BANDS  
An audio coding technique based on modeling spectral dynamics is disclosed. Frequency decomposition of an input audio signal is performed to obtain multiple frequency sub-bands that closely follow...
US20150170655 SYSTEMS AND METHODS OF BLIND BANDWIDTH EXTENSION  
Systems and methods of performing blind bandwidth extension are disclosed. In an embodiment, a method includes receiving, at a decoder of a speech vocoder, a set of low-band parameters as part of...
US20140019147 DISTRIBUTED CALL SERVER SUPPORTING COMMUNICATION SESSIONS IN A COMMUNICATION SYSTEM AND METHOD  
An apparatus, method, and computer program manage communication sessions that include a plurality of portions. Different processors handle each portion of a communication session. The apparatus,...
US20130275142 SIGNAL PROCESSING DEVICE, METHOD, AND PROGRAM  
The present technology relates to a signal processing device, method, and program that may obtain audio at a higher audio quality when decoding an audio signal. An envelope information generating...
US20110112845 METHOD AND APPARATUS FOR ESTIMATING HIGH-BAND ENERGY IN A BANDWIDTH EXTENSION SYSTEM  
A method (100) includes receiving (101) an input digital audio signal comprising a narrow-band signal. The input digital audio signal is processed (102) to generate a processed digital audio...
US20090281812 Apparatus and Method for Encoding and Decoding Signal  
Encoding and decoding apparatuses and encoding and decoding methods are provided. The decoding method includes extracting a plurality of encoded signals and division information of the encoded...
US20090222261 Apparatus and Method for Encoding and Decoding Signal  
Encoding and decoding apparatuses and encoding and decoding methods are provided. The decoding method includes extracting a plurality of encoded signals from an input bitstream, determining which...
US20080221875 Bit rate reduction in audio encoders by exploiting inharmonicity effects and auditory temporal masking  
The present invention relates to a method for encoding an audio signal. In a first embodiment a model relating to temporal masking of sound provided to a human ear is provided. A temporal masking...
US20140257824 APPARATUS AND A METHOD FOR ENCODING AN INPUT SIGNAL  
An apparatus and a method for encoding an input signal applied to the apparatus comprising: a transient detector adapted to detect whether the applied input signal comprises a transient; at least...
US20100268540 SYSTEM AND METHOD FOR UTILIZING AUDIO BEACONING IN AUDIENCE MEASUREMENT  
An audio beacon system, apparatus and method for collecting information on a panelist's exposure to media. An audio beacon is configured as on-device encoding technology that is operative in a...
US20090063159 Audio Metadata Verification  
A digital bitstream, comprising data bits representing audio, metadata intended to be correct for the audio, and metadata verification information, wherein all or part of the metadata may not be...
US20080243520 AUDIO CODING  
A method of encoding a multi-channel audio signal including at least a first signal component (LF), a second signal component (LR) and a third signal component (RF). The method comprises the steps...
US20110035227 METHOD AND APPARATUS FOR ENCODING/DECODING AN AUDIO SIGNAL BY USING AUDIO SEMANTIC INFORMATION  
An audio signal encoding method and apparatus and an audio signal decoding method and apparatus are provided. The audio signal encoding method includes: transforming an audio signal into a signal...
US20070136049 Sound encoder and sound decoder  
A sound encoder multiplexes a plurality of codes into a sound code in an order determined by a multiplexing order determination unit (12), and a sound decoder demultiplexes the sound code into a...
US20120101825 METHOD AND APPARATUS FOR ENCODING/DECODING AUDIO DATA WITH SCALABILITY  
Method and apparatus for encoding/decoding audio data with scalability are provided. The method includes slicing audio data to correspond to a plurality of layers, obtaining scale band information...
US20120004921 METHOD FOR RETRIEVING AUDIO SIGNAL STORED ON PHOTOGRAPH  
A method of decoding coded data provided on a photograph using a reader includes steps of irradiating an image-side of the photograph from a first end thereof to an opposing second end thereof...
US20110305343 Method and system decoding audio data with selective power control  
Provided is an audio data decoding system and method that may selectively transfer compressed audio data from a top system to at least one audio input buffer of a separately provided and/or...
US20110173004 Device and Method for Noise Shaping in a Multilayer Embedded Codec Interoperable with the ITU-T G.711 Standard  
A device and method for shaping noise during encoding of an input sound signal comprise pre-emphasizing the input signal or a decoded signal from a given sound signal codec to produce a...
US20080249783 Layered Code-Excited Linear Prediction Speech Encoder and Decoder Having Plural Codebook Contributions in Enhancement Layers Thereof and Methods of Layered CELP Encoding and Decoding  
A layered code-excited linear prediction (CELP) encoder, an Adaptive Multirate Wideband (AMR-WB) encoder and methods of CELP encoding and decoding. In one embodiment, the encoder includes: (1) a...
US20080033732 Channel reconfiguration with side information  
During production, at least one audio signal is processed in order to derive instructions for channel reconfiguring it. The at least one audio signal and the instructions are stored or...
US20080262853 Method for Encoding and Decoding Multi-Channel Audio Signal and Apparatus Thereof  
Methods and apparatuses for encoding and decoding a multi-channel audio signal are provided. In the encoding method, spatial information is calculated based on a multi-channel audio signal and a...
US20080004883 Scalable audio coding  
A method and related apparatus for generating a scalable layered audio stream, whereby the method comprises: encoding an input audio signal with a low bitrate audio encoding technique to generate...
US20060009985 Multi-channel audio system  
A multi-channel audio system using a wireless transmission network used in a home theater includes: a master decoding an input multi-channel audio stream, outputting the decoded multi-channel...

Matches 1 - 50 out of 325 1 2 3 4 5 6 7 >