197467 ⎘
Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques Pre-filtering or post-filtering
Sub-classes:METHOD, APPARATUS AND ELECTRONIC DEVICE FOR PROCESSING AUDIO
#2AUDIO DECODER, AUDIO ENCODER AND METHOD FOR CODING OF FRAMES USING A QUANTIZATION NOISE SHAPING
#3SYSTEMS AND METHODS FOR COVARIANCE SMOOTHING
#4METHOD AND APPARATUS FOR ERROR RECOVERY IN PREDICTIVE CODING IN MULTICHANNEL AUDIO FRAMES
#5AUDIO ENCODER AND DECODER FOR INTERLEAVED WAVEFORM CODING
#6AUDIO COMPRESSION METHOD, AUDIO PLAYING DEVICE, AND NON-TRANSITORY COMPUTER READABLE STORAGE MEDIUM
#7COLORLESS GENERATION OF ELEVATION PERCEPTUAL CUES USING ALL-PASS FILTER NETWORKS
#8EFFICIENT DRC PROFILE TRANSMISSION
#9Methods, Encoder And Decoder For Linear Predictive Encoding And Decoding Of Sound Signals Upon Transition Between Frames Having Different Sampling Rates
#10BACKWARD-COMPATIBLE INTEGRATION OF HIGH FREQUENCY RECONSTRUCTION TECHNIQUES FOR AUDIO SIGNALS
#11Model Based Prediction in a Critically Sampled Filterbank
#12DATA SEQUENCE GENERATION
#13Encoding Method, Decoding Method, Encoding Apparatus, and Decoding Apparatus
#14HIGH FREQUENCY RECONSTRUCTION USING NEURAL NETWORK SYSTEM
#15DIGITAL FILTERBANK FOR SPECTRAL ENVELOPE ADJUSTMENT
#16METHOD AND APPARATUS FOR NEURAL SPATIAL SPEECH CODING FOR MULTI-CHANNEL AUDIO
#17AUDIO DECODING DEVICE, AUDIO ENCODING DEVICE, AUDIO DECODING METHOD, AUDIO ENCODING METHOD, AUDIO DECODING PROGRAM, AND AUDIO ENCODING PROGRAM
#18AUDIO ENCODER AND DECODER USING A FREQUENCY DOMAIN PROCESSOR, A TIME DOMAIN PROCESSOR, AND A CROSS PROCESSOR FOR CONTINUOUS INITIALIZATION
#19APPARATUS AND METHOD FOR PROCESSING AN AUDIO SIGNAL USING A HARMONIC POST-FILTER
#20Backward-compatible integration of harmonic transposer for high frequency reconstruction of audio signals
#21Backward-compatible integration of high frequency reconstruction techniques for audio signals
#22BACKWARD-COMPATIBLE INTEGRATION OF HIGH FREQUENCY RECONSTRUCTION TECHNIQUES FOR AUDIO SIGNALS
#23HEARING DEVICE COMPRISING AN ADAPTIVE FILTER BANK
#24BACKWARD-COMPATIBLE INTEGRATION OF HARMONIC TRANSPOSER FOR HIGH FREQUENCY RECONSTRUCTION OF AUDIO SIGNALS
#25METHOD AND APPARATUS FOR PROCESSING AN AUDIO SIGNAL, AUDIO DECODER, AND AUDIO ENCODER
#26SYSTEM AND METHOD FOR NON-DESTRUCTIVELY NORMALIZING LOUDNESS OF AUDIO SIGNALS WITHIN PORTABLE DEVICES
#27DIGITAL ENCAPSULATION OF AUDIO SIGNALS
#28RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODEC
#29DECODING APPARATUS AND METHOD, AND PROGRAM
#30Method and System for Data-Hiding Within Audio Transmissions
#31Apparatus and Method for encoding or Decoding Directional Audio Coding Parameters Using Different Time/Frequency Resolutions
#32METHOD AND APPARATUS FOR SPECTROTEMPORALLY IMPROVED SPECTRAL GAP FILLING IN AUDIO CODING USING A FILTERING
#33Machine-Learned Differentiable Digital Signal Processing
#34EFFICIENT DRC PROFILE TRANSMISSION
#35SYSTEMS AND METHODS FOR MULTI-BAND AUDIO CODING
#36COLORLESS GENERATION OF ELEVATION PERCEPTUAL CUES USING ALL-PASS FILTER NETWORKS
#37POST-PROCESSOR, PRE-PROCESSOR, AUDIO ENCODER, AUDIO DECODER AND RELATED METHODS FOR ENHANCING TRANSIENT PROCESSING
#38Backward-compatible integration of harmonic transposer for high frequency reconstruction of audio signals
#39SOUND PROCESSING APPARATUS, DECODER, ENCODER, BITSTREAM AND CORRESPONDING METHODS
#40POST FILTER FOR AUDIO SIGNALS
#41SPEECH ENCODING AND DECODING METHODS AND APPARATUSES, COMPUTER DEVICE, AND STORAGE MEDIUM
#42Model based prediction in a critically sampled filterbank
#43APPARATUS AND METHOD FOR ENCODING OR DECODING DIRECTIONAL AUDIO CODING PARAMETERS USING QUANTIZATION AND ENTROPY CODING
#44SYSTEMS AND METHODS FOR COVARIANCE SMOOTHING
#45SYSTEMS AND METHODS FOR IMPLEMENTING CROSS-FADING, INTERSTITIALS AND OTHER EFFECTS DOWNSTREAM
#46System and method for non-destructively normalizing loudness of audio signals within portable devices
#47Backward-compatible integration of high frequency reconstruction techniques for audio signals
#48AUDIO ENCODER AND DECODER FOR INTERLEAVED WAVEFORM CODING
#49APPARATUS AND METHOD FOR REMOVING UNDESIRED AUDITORY ROUGHNESS
#50Encoding method, decoding method, encoding apparatus, and decoding apparatus
#51Method and apparatus for processing an audio signal, audio decoder, and audio encoder to filter a discontinuity by a filter which depends on two fir filters and pitch lag
#52LOW-FREQUENCY EMPHASIS FOR LPC-BASED CODING IN FREQUENCY DOMAIN
#53LPC RESIDUAL SIGNAL ENCODING/DECODING APPARATUS OF MODIFIED DISCRETE COSINE TRANSFORM (MDCT)-BASED UNIFIED VOICE/AUDIO ENCODING DEVICE
#54ENCODED OUTPUT DATA STREAM TRANSMISSION
#55Digital filterbank for spectral envelope adjustment
#56Resampling output signals of QMF based audio codecs
#57Digital encapsulation of audio signals
#58Efficient DRC profile transmission
#59Backward-compatible integration of high frequency reconstruction techniques for audio signals
#60METHOD AND APPARATUS FOR NEURAL NETWORK BASED PROCESSING OF AUDIO USING SINUSOIDAL ACTIVATION
#61AUDIO DECORRELATOR, PROCESSING SYSTEM AND METHOD FOR DECORRELATING AN AUDIO SIGNAL
#62Apparatus for Encoding or Decoding an Encoded Multichannel Signal Using a Filling Signal Generated by a Broad Band Filter
#63Apparatus and method for encoding or decoding directional audio coding parameters using different time/frequency resolutions
#64Backward-compatible integration of harmonic transposer for high frequency reconstruction of audio signals
#65Audio decoder for audio channel reconstruction
#66Machine-learned differentiable digital signal processing
#67System and method for non-destructively normalizing loudness of audio signals within portable devices
#68FRAME LOSS CONCEALMENT FOR A LOW-FREQUENCY EFFECTS CHANNEL
#69Modeling of the head-related impulse responses
#70Method and apparatus for processing an audio signal, audio decoder, and audio encoder for removing a discontinuity between frames by subtracting a portion of a zero-input-reponse
#71Methods, Encoder And Decoder For Linear Predictive Encoding And Decoding Of Sound Signals Upon Transition Between Frames Having Different Sampling Rates
#72Model based prediction in a critically sampled filterbank
#73Audio encoder for encoding an audio signal, method for encoding an audio signal and computer program under consideration of a detected peak spectral region in an upper frequency band
#74Detection of live speech
#75Apparatus and method for processing an audio signal using a harmonic post-filter
#76Post filter for audio signals
#77Decoding apparatus and method, and program
#78METHOD AND APPARATUS FOR DETERMINING PARAMETERS OF A GENERATIVE NEURAL NETWORK
#79Processing method of sound watermark and sound watermark generating apparatus
#80METHOD, APPARATUS AND SYSTEM FOR ENHANCING MULTI-CHANNEL AUDIO IN A DYNAMIC RANGE REDUCED DOMAIN
#81Systems and methods for implementing crossfading, interstitials and other effects downstream
#82LOW COST ADAPTATION OF BASS POST-FILTER
#83Differentiable wavetable synthesizer using plurality of machine learning models to reduce computational complexity of audio synthesis
#84MACHINE LEARNING-BASED AUDIO MANIPULATION USING VIRTUAL BACKGROUNDS FOR VIRTUAL MEETINGS
#85Low-frequency emphasis for LPC-based coding in frequency domain
#86Backward-compatible integration of high frequency reconstruction techniques for audio signals
#87Backward-compatible integration of harmonic transposer for high frequency reconstruction of audio signals
#88Backward-compatible integration of high frequency reconstruction techniques for audio signals
#89Backward-compatible integration of high frequency reconstruction techniques for audio signals
#90Backward-compatible integration of high frequency reconstruction techniques for audio signals
#91Backward-compatible integration of harmonic transposer for high frequency reconstruction of audio signals
#92Backward-compatible integration of harmonic transposer for high frequency reconstruction of audio signals
#93Backward-compatible integration of harmonic transposer for high frequency reconstruction of audio signals
#94METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING VOICE SIGNAL ON BASIS OF ARTIFICIAL NEURAL NETWORK
#95COLORLESS GENERATION OF ELEVATION PERCEPTUAL CUES USING ALL-PASS FILTER NETWORKS
#96COLORLESS GENERATION OF ELEVATION PERCEPTUAL CUES USING ALL-PASS FILTER NETWORKS
#97Hearing device comprising an adaptive filter bank
#98LPC residual signal encoding/decoding apparatus of modified discrete cosine transform (MDCT)-based unified voice/audio encoding device
#99Audio decoding device, audio encoding device, audio decoding method, audio encoding method, audio decoding program, and audio encoding program
#100Encoded output data stream transmission
#101Encoding method, decoding method, encoding apparatus, and decoding apparatus
#102Systems and methods for generating video-adapted surround-sound
#103System and method for non-destructively normalizing loudness of audio signals within portable devices
#104METHOD AND APPARATUS FOR ACQUIRING SEMANTIC INFORMATION, ELECTRONIC DEVICE AND STORAGE MEDIUM
#105Audio processing method and device, terminal, and computer-readable storage medium
#106Apparatus and method for synthesizing an audio signal, decoder, encoder, system and computer program
#107Systems and methods for covariance smoothing
#108Voice activity detection with low-power accelerometer
#109Resampling output signals of QMF based audio codec
#110Resampling output signals of QMF based audio codec
#111Resampling output signals of QMF based audio codec
#112Resampling output signals of QMF based audio codec
#113Efficient DRC profile transmission
#114SPEECH SIGNAL ENCODING AND DECODING METHODS AND APPARATUSES, ELECTRONIC DEVICE, AND STORAGE MEDIUM
#115Backward-compatible integration of high frequency reconstruction techniques for audio signals
#116METHOD AND APPARATUS FOR ERROR RECOVERY IN PREDICTIVE CODING IN MULTICHANNEL AUDIO FRAMES
#117Audio decoder for audio channel reconstruction
#118Method and apparatus for processing an audio signal, audio decoder, and audio encoder to filter a discontinuity by a filter which depends on two fir filters and pitch lag
#119Post filter for audio signals
#120Method and apparatus for processing an audio signal, audio decoder, and audio encoder to filter a discontinuity by a filter which depends on two fir filters and pitch lag
#121Low Complexity Voice Activity Detection Algorithm
#122Apparatus and method for encoding or decoding directional audio coding parameters using quantization and entropy coding
#123Audio encoder and decoder for interleaved waveform coding
#124Analog-to-digital converter and method
#125Apparatus for encoding or decoding an encoded multichannel signal using a filling signal generated by a broad band filter
#126Digital filterbank for spectral envelope adjustment
#127Audio encoder and decoder using a frequency domain processor, a time domain processor, and a cross processing for continuous initialization
#128Machine-learned differentiable digital signal processing
#129Methods, encoder and decoder for linear predictive encoding and decoding of sound signals upon transition between frames having different sampling rates
#130Direct mapping
#131Data sequence generation
#132Apparatus and method for encoding a spatial audio representation or apparatus and method for decoding an encoded audio signal using transport metadata and related computer programs
#133Model based prediction in a critically sampled filterbank
#134Audio processing device and audio processing method
#135Perceptual audio coding with adaptive non-uniform time/frequency tiling using subband merging and the time domain aliasing reduction
#136Digital encapsulation of audio signals
#137Resampling output signals of QMF based audio codecs
#138Participant-tuned filtering using deep neural network dynamic spectral masking for conversation isolation and security in noisy environments
#139Resampling output signals of QMF based audio codecs
#140Resampling output signals of QMF based audio codecs
#141Detection of live speech
#142Apparatus and method for processing an audio signal using a harmonic post-filter
#143Systems and methods for implementing cross-fading, interstitials and other effects downstream
#144SYSTEM FOR SELECTION OF A DESIRED AUDIO CODEC FROM A VARIETY OF CODEC OPTIONS FOR STORAGE IN A METADATA CONTAINER
#145Backward-compatible integration of harmonic transposer for high frequency reconstruction of audio signals
#146Methods and apparatus for reconstructing audio signals with decorrelation and differentially coded parameters
#147Audio similarity evaluator, audio encoder, methods and computer program
#148Efficient DRC profile transmission
#149Audio coder window sizes and time-frequency transformations
#150Speech signal cascade processing method, terminal, and computer-readable storage medium
#151Post filter for audio signals
#152Estimating noise of an audio signal in the log2-domain
#153Methods and apparatus systems for unified speech and audio decoding improvements
#154Audio encoder for encoding an audio signal, method for encoding an audio signal and computer program under consideration of a detected peak spectral region in an upper frequency band
#155Method and apparatus for processing audio data
#156Backward-compatible integration of high frequency reconstruction techniques for audio signals
#157POST-PROCESSOR, PRE-PROCESSOR, AUDIO ENCODER, AUDIO DECODER AND RELATED METHODS FOR ENHANCING TRANSIENT PROCESSING
#158Pitch enhancement apparatus, pitch enhancement method, and program
#159Spectral Translation/Folding in the Subband Domain
#160Encoding method, decoding method, encoding apparatus, and decoding apparatus
#161Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks
#162Frequency band extension in an audio signal decoder
#163Encoded audio metadata-based equalization
#164Frequency band extension in an audio signal decoder
#165Signal filtering
#166Low-frequency emphasis for LPC-based coding in frequency domain
#167METHOD AND SYSTEM FOR SCREENING FOR COVID-19 WITH A VOCAL BIOMARKER
#168Systems and methods for end-to-end architectures for voice spoofing detection
#169METHOD AND APPARATUS FOR DETECTING SOUND EVENT CONSIDERING THE CHARACTERISTICS OF EACH SOUND EVENT
#170Audio decoder for audio channel reconstruction
#171Harmonicity-dependent controlling of a harmonic filter tool
#172Method for processing speech/audio signal and apparatus
#173Selecting pitch lag
#174Apparatus and method for encoding or decoding directional audio coding parameters using different time/frequency resolutions
#175Encoding and decoding audio signals
#176Controlling bandwidth in encoders and/or decoders
#177Apparatus and method for encoding or decoding directional audio coding parameters using quantization and entropy coding
#178Decoding apparatus and method, and program
#179Model based prediction in a critically sampled filterbank
#180Method and device for processing audio signal using audio filter having non-linear characteristics to prevent receipt of echo signal
#181LPC residual signal encoding/decoding apparatus of modified discrete cosine transform (MDCT)-based unified voice/audio encoding device
#182SIGNAL CODEC DEVICE AND METHOD IN COMMUNICATION SYSTEM
#183Testing device and testing method for testing a device under test
#184Phase quantization in a speech encoder
#185System and method for non-destructively normalizing loudness of audio signals within portable devices
#186Decoding device, encoding device, decoding method, and encoding method
#187Apparatus for encoding or decoding an encoded multichannel signal using a filling signal generated by a broad band filter
#188Methods, Apparatus and Systems for Determining Reconstructed Audio Signal
#189Matched filter to selectively choose the optimal audio compression for a metadata file
#190Audio watermarking via correlation modification using an amplitude and a magnitude modification based on watermark data and to reduce distortion
#191Post-processor, pre-processor, audio encoder, audio decoder and related methods for enhancing transient processing
#192Enabling sampling rate diversity in a voice communication system
#193Multiband audio signal dynamic range compression with overshoot suppression
#194Digital filterbank for spectral envelope adjustment
#195Encoded output data stream transmission
#196Audio decoder and method for providing a decoded audio information using an error concealment modifying a time domain excitation signal
#197Methods and apparatus for reconstructing audio signals with decorrelation and differentially coded parameters
#198Wireless audio synchronization
#199Methods, encoder and decoder for linear predictive encoding and decoding of sound signals upon transition between frames having different sampling rates
#200Apparatus and method for determining a predetermined characteristic related to a spectral enhancement processing of an audio signal
#201Backward-compatible integration of harmonic transposer for high frequency reconstruction of audio signals
#202Audio decoder for audio channel reconstruction
#203Apparatus for post-processing an audio signal using a transient location detection
#204Apparatus and methods for processing an audio signal
#205Apparatus and method for determining a predetermined characteristic related to an artificial bandwidth limitation processing of an audio signal
#206Apparatus and method for post-processing an audio signal using prediction based shaping
#207Time-domain inter-channel prediction
#208Audio signal dynamic range compression
#209Systems and methods for processing an audio signal for replay on an audio device
#210Methods for improving high frequency reconstruction
#211Speech processing device, teleconferencing device, speech processing system, and speech processing method
#212Audio processing device and a method for estimating a signal-to-noise-ratio of a sound signal
#213Apparatus and method for synthesizing an audio signal, decoder, encoder, system and computer program
#214Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks
#215Audio decoding device, audio encoding device, audio decoding method, audio encoding method, audio decoding program, and audio encoding program
#216Converting a single-bit audio stream to a stream of symbols with a constant edge rate
#217Coding/decoding method, apparatus, and system for audio signal
#218System and method for non-destructively normalizing loudness of audio signals within portable devices
#219Audio decoder for audio channel reconstruction
#220Efficient DRC profile transmission
#221Audio encoder and decoder using a frequency domain processor, a time domain processor, and a cross processing for continuous initialization
#222Resampling output signals of QMF based audio codecs
#223Zero-latency pulse density modulation interface with format detection
#224Model based prediction in a critically sampled filterbank
#225Systems and methods for implementing cross-fading, interstitials and other effects downstream
#226Post filter for audio signals
#227Speech/audio bitstream decoding method and apparatus
#228Systems and methods of interpreting speech data
#229Wireless audio synchronization
#230Apparatus and method for processing an audio signal using a harmonic post-filter
#231Estimating noise in an audio signal in the LOG2-domain
#232Spectral translation/folding in the subband domain
#233Method and System for Data-Hiding Within Audio Transmissions
#234Signal codec device and method in communication system
#235Audio decoding using intermediate sampling rate
#236Methods, apparatus and systems for determining reconstructed audio signal
#237Signal processing apparatus and method, and program
#238Audio encoder for encoding an audio signal, method for encoding an audio signal and computer program under consideration of a detected peak spectral region in an upper frequency band
#239Audio processor and method for processing an audio signal using horizontal phase correction
#240Methods and apparatus for adjusting a level of an audio signal
#241Encoding of multiple audio signals
#242Efficient DRC profile transmission
#243Encoding method, decoding method, encoding apparatus, and decoding apparatus
#244Methods and apparatus for adjusting a level of an audio signal
#245Apparatus and method for improving a transition from a concealed audio signal portion to a succeeding audio signal portion of an audio signal
#246Signal quality-based enhancement and compensation of compressed audio signals
#247Audio processor and method for processing an audio signal using vertical phase correction
#248Intelligent voice shopping system and shopping method
#249Method and apparatus for transmitting and receiving of the object-based audio contents
#250Audio encoder and decoder for interleaved waveform coding
#251Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks
#252Harmonicity-dependent controlling of a harmonic filter tool
#253Digital encapsulation of audio signals
#254Noise signal processing method, noise signal generation method, encoder, decoder, and encoding and decoding system
#255ADAPTIVE POST FILTERING
#256Model based prediction in a critically sampled filterbank
#257Audio benchmarking with simulated real time processing of audio
#258Time-domain inter-channel prediction
#259DEVICE AND METHOD FOR CALCULATING LOUDSPEAKER SIGNALS FOR A PLURALITY OF LOUDSPEAKERS WHILE USING A DELAY IN THE FREQUENCY DOMAIN
#260Intelligent dynamic soundscape adaptation
#261Integrated sensor-array processor
#262Audio bandwidth selection
#263Systems and methods of interpreting speech data
#264Decoding device, encoding device, decoding method, and encoding method
#265Audio coder window sizes and time-frequency transformations
#266Wireless audio synchronization
#267Frequency band extension in an audio signal decoder
#268LOW-FREQUENCY EMPHASIS FOR LPC-BASED CODING IN FREQUENCY DOMAIN
#269Speech signal cascade processing method, terminal, and computer-readable storage medium
#270Sound synthesis for data sonification employing a human auditory perception eigenfunction model in Hilbert space
#271Spectral translation/folding in the subband domain
#272Method for processing speech/audio signal and apparatus
#273Low-frequency emphasis for LPC-based coding in frequency domain
#274Voice signal processing apparatus and voice signal processing method
#275Reducing codec noise in acoustic devices
#276Encoded audio metadata-based equalization
#277Converting a single-bit audio stream to a single-bit audio stream with a constant edge rate
#278Systems and methods of interpreting speech data
#279Methods, apparatus and systems for determining reconstructed audio signal
#280Decoding apparatus and method, and program
#281Systems and methods for recognizing user speech
#282Post-processor, pre-processor, audio encoder, audio decoder and related methods for enhancing transient processing
#283Audio coding device and audio coding method
#284Method and system for signal decomposition, analysis and reconstruction
#285Wireless audio synchronization
#286Audio signal processing
#287Digital filterbank for spectral envelope adjustment
#288Frequency band extension in an audio signal decoder
#289Methods, encoder and decoder for linear predictive encoding and decoding of sound signals upon transition between frames having different sampling rates
#290Signal decoding method, audio signal decoder and non-transitory computer-readable medium
#291Enabling sampling rate diversity in a voice communication system
#292METHOD AND APPARATUS FOR PROCESSING AUDIO SIGNALS ON BASIS OF SPEAKER INFORMATION
#293Virtual duplex operation
#294Encoding of multiple audio signals
#295Model based prediction in a critically sampled filterbank
#296SYSTEM AND METHOD FOR NARROW BANDWIDTH DIGITAL SIGNAL PROCESSING
#297Coding and decoding a sound signal by adapting coefficients transformable to linear predictive coefficients and/or adapting a code book
#298Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks
#299System, apparatus and method for transmitting continuous audio data
#300Methods, encoder and decoder for linear predictive encoding and decoding of sound signals upon transition between frames having different sampling rates