ClassID:

197438

G10L19/025 - CPC Classification

Classification description:

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 spectral analysis, e.g. transform vocoders or subband vocoders; Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring Detection of transients or attacks for time/frequency resolution switching

Recent Application in this class:
#1
20260038513
2026-02-05

SPATIAL AUDIO PARAMETER ENCODING AND ASSOCIATED DECODING

#2
20250349305
2025-11-13

CROSS PRODUCT ENHANCED SUBBAND BLOCK BASED HARMONIC TRANSPOSITION

#3
20250252961
2025-08-07

FRAME ERROR CONCEALMENT

#4
20250166646
2025-05-22

APPARATUS AND METHOD FOR GENERATING AN ENCODED SIGNAL OR FOR DECODING AN ENCODED AUDIO SIGNAL USING A MULTI OVERLAP PORTION

#5
20250118316
2025-04-10

APPARATUS AND METHOD FOR PROCESSING AN AUDIO SIGNAL USING A HARMONIC POST-FILTER

#6
20250095660
2025-03-20

SPATIAL CODING OF HIGHER ORDER AMBISONICS FOR A LOW LATENCY IMMERSIVE AUDIO CODEC

#7
20250061905
2025-02-20

METHOD FOR EMBEDDING OR DECODING AUDIO PAYLOAD IN AUDIO CONTENT

#8
20250037728
2025-01-30

Audio Coding Method and Apparatus

#9
20240428811
2024-12-26

Method and Device for Encoding a High Frequency Signal, and Method and Device for Decoding a High Frequency Signal

#10
20240312470
2024-09-19

Cross product enhanced subband block based harmonic transposition

#11
20240144939
2024-05-02

Frame error concealment

#12
20240119951
2024-04-11

Transient detection with hangover indicator for encoding an audio signal

#13
20240087583
2024-03-14

System and method for processing audio data into a plurality of frequency components

#14
20240046940
2024-02-08

Cross product enhanced subband block based harmonic transposition

#15
20240029745
2024-01-25

SPATIAL AUDIO PARAMETER ENCODING AND ASSOCIATED DECODING

#16
20230352032
2023-11-02

Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework

#17
20230298604
2023-09-21

Method and device for encoding a high frequency signal, and method and device for decoding a high frequency signal

#18
20230282223
2023-09-07

Apparatus and method for processing an audio signal using a harmonic post-filter

#19
20230282221
2023-09-07

Apparatus and method for decoding an encoded audio or image signal using an auxiliary window function

#20
20230162747
2023-05-25

System and method for processing audio data into a plurality of frequency components

#21
20220375480
2022-11-24

METHOD AND APPARATUS FOR CONTROLLING AUDIO FRAME LOSS CONCEALMENT

#22
20220293113
2022-09-15

Cross product enhanced subband block based harmonic transposition

#23
20220284909
2022-09-08

Method, apparatus, and device for transient noise detection

#24
20220270624
2022-08-25

Coding dense transient events with companding

#25
20220270619
2022-08-25

Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domain

#26
20220223164
2022-07-14

System and method for processing audio data into a plurality of frequency components

#27
20220215846
2022-07-07

Audio encoding device, method and program, and audio decoding device, method and program

#28
20220157325
2022-05-19

Apparatus and method for decoding or encoding an audio signal using energy information values for a reconstruction band

#29
20220139407
2022-05-05

Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework

#30
20220130400
2022-04-28

Frame error concealment

#31
20210390968
2021-12-16

Audio coding method and apparatus

#32
20210295853
2021-09-23

Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping

#33
20210217426
2021-07-15

Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection

#34
20210134308
2021-05-06

Processor and method for processing an audio signal using truncated analysis or synthesis window overlap portions

#35
20210125624
2021-04-29

Apparatus and method for processing an audio signal using a harmonic post-filter

#36
20210125621
2021-04-29

Method and device for encoding a high frequency signal, and method and device for decoding a high frequency signal

#37
20210090585
2021-03-25

System and method for processing audio data

#38
20210090583
2021-03-25

Methods and apparatus for reconstructing audio signals with decorrelation and differentially coded parameters

#39
20210065725
2021-03-04

Apparatus and method for generating an encoded signal or for decoding an encoded audio signal using a multi overlap portion

#40
20210065723
2021-03-04

Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework

#41
20210035591
2021-02-04

Estimating noise of an audio signal in the log2-domain

#42
20200395025
2020-12-17

Cross product enhanced subband block based harmonic transposition

#43
20200380999
2020-12-03

Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks

#44
20200357416
2020-11-12

Audio encoding device, method and program, and audio decoding device, method and program

#45
20200294517
2020-09-17

Apparatus and method for encoding or decoding an audio signal using a transient-location dependent overlap

#46
20200286498
2020-09-10

Harmonicity-dependent controlling of a harmonic filter tool

#47
20200152208
2020-05-14

Frame error concealment

#48
20200126572
2020-04-23

Low complexity dense transient events detection and coding

#49
20200126567
2020-04-23

Method and apparatus for controlling audio frame loss concealment

#50
20200082841
2020-03-12

Apparatus for decoding an encoded audio signal with frequency tile adaption

#51
20200066287
2020-02-27

Methods and apparatus for reconstructing audio signals with decorrelation and differentially coded parameters

#52
20200027468
2020-01-23

Audio coding method and apparatus

#53
20200020349
2020-01-16

Apparatus for post-processing an audio signal using a transient location detection

#54
20200013421
2020-01-09

Apparatus and method for post-processing an audio signal using prediction based shaping

#55
20200005802
2020-01-02

Audio signal dynamic range compression

#56
20190378525
2019-12-12

Cross product enhanced subband block based harmonic transposition

#57
20190371355
2019-12-05

Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping

#58
20190371346
2019-12-05

Apparatus and method for generating an encoded signal or for decoding an encoded audio signal using a multi overlap portion

#59
20190362729
2019-11-28

Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks

#60
20190362728
2019-11-28

Audio encoders, audio decoders, systems, methods and computer programs using an increased temporal resolution in temporal proximity of onsets or offsets of fricatives or affricates

#61
20190325883
2019-10-24

Method and device for encoding a high frequency signal, and method and device for decoding a high frequency signal

#62
20190279653
2019-09-12

System and method for processing audio data

#63
20190267011
2019-08-29

Method and apparatus for controlling audio frame loss concealment

#64
20190251986
2019-08-15

Apparatus and method for decoding or encoding an audio signal using energy information values for a reconstruction band

#65
20190244625
2019-08-08

Transient detection with hangover indicator for encoding an audio signal

#66
20190198034
2019-06-27

Apparatus and method for processing an audio signal using a harmonic post-filter

#67
20190198033
2019-06-27

Estimating noise in an audio signal in the LOG2-domain

#68
20190198030
2019-06-27

Processor and method for processing an audio signal using truncated analysis or synthesis window overlap portions

#69
20190198029
2019-06-27

Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domain

#70
20190156842
2019-05-23

Audio processor and method for processing an audio signal using horizontal phase correction

#71
20190147898
2019-05-16

Methods and apparatus for adjusting a level of an audio signal

#72
20190122683
2019-04-25

Methods and apparatus for adjusting a level of an audio signal

#73
20190108850
2019-04-11

Cross product enhanced subband block based harmonic transposition

#74
20190108849
2019-04-11

Audio processor and method for processing an audio signal using vertical phase correction

#75
20190074019
2019-03-07

Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection

#76
20190066707
2019-02-28

Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks

#77
20190057710
2019-02-21

Harmonicity-dependent controlling of a harmonic filter tool

#78
20190051311
2019-02-14

Method and apparatus for concealing frame error and method and apparatus for audio decoding

#79
20190043522
2019-02-07

Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework

#80
20190019527
2019-01-17

Pop noise control

#81
20190019519
2019-01-17

Audio encoding device, method and program, and audio decoding device, method and program

#82
20190005967
2019-01-03

Hybrid concealment method: combination of frequency and time domain packet loss concealment in audio codecs

#83
20180336907
2018-11-22

Audio processing for temporally mismatched signals

#84
20180331668
2018-11-15

Noise suppression apparatus, noise suppression method, and non-transitory recording medium

#85
20180278962
2018-09-27

System and method for processing audio data

#86
20180278666
2018-09-27

System and method for processing audio data

#87
20180278241
2018-09-27

System and method for processing audio data

#88
20180277130
2018-09-27

System and method for processing audio data

#89
20180277125
2018-09-27

Frame error concealment

#90
20180268842
2018-09-20

Apparatus and method for decoding an encoded audio signal using a cross-over filter around a transition frequency

#91
20180261229
2018-09-13

Apparatus and method for generating a bandwidth extended signal from a bandwidth limited audio signal

#92
20180197563
2018-07-12

AUDIO SIGNAL PROCESSING CIRCUIT, IN-VEHICLE AUDIO SYSTEM, AUDIO COMPONENT DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME, AND METHOD OF PROCESSING AUDIO SIGNAL

#93
20180182404
2018-06-28

Cross product enhanced subband block based harmonic transposition

#94
20180144760
2018-05-24

Apparatus and method for decoding or encoding an audio signal using energy information values for a reconstruction band

#95
20180108360
2018-04-19

Audio Signal Transient Detection

#96
20180102134
2018-04-12

Apparatus and method for encoding or decoding audio signal with intelligent gap filling in the spectral domain

#97
20180082698
2018-03-22

Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks

#98
20180053517
2018-02-22

Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks

#99
20170372716
2017-12-28

Audio coding method and apparatus

#100
20170365268
2017-12-21

Reconstructing audio signals with multiple decorrelation techniques

#101
20170347207
2017-11-30

Hearing device comprising a filterbank and an onset detector

#102
20170323650
2017-11-09

Apparatus and method for encoding or decoding an audio signal using a transient-location dependent overlap

#103
20170316789
2017-11-02

Method and device for encoding a high frequency signal, and method and device for decoding a high frequency signal

#104
20170287494
2017-10-05

Method and apparatus for controlling audio frame loss concealment

#105
20170270934
2017-09-21

Audio processing for temporally mismatched signals

#106
20170213563
2017-07-27

Cross product enhanced subband block based harmonic transposition

#107
20170206908
2017-07-20

System and method for suppressing transient noise in a multichannel system

#108
20170206905
2017-07-20

METHOD, MEDIUM AND APPARATUS FOR ENCODING AND/OR DECODING SIGNAL BASED ON A PSYCHOACOUSTIC MODEL

#109
20170178653
2017-06-22

Reconstructing audio signals with multiple decorrelation techniques and differentially coded parameters

#110
20170178652
2017-06-22

Reconstructing audio signals with multiple decorrelation techniques and differentially coded parameters

#111
20170178651
2017-06-22

Reconstructing audio signals with multiple decorrelation techniques and differentially coded parameters

#112
20170178650
2017-06-22

Reconstructing audio signals with multiple decorrelation techniques and differentially coded parameters

#113
20170178648
2017-06-22

Enhanced Block Switching and Bit Allocation for Improved Transform Audio Coding

#114
20170178639
2017-06-22

Channel adjustment for inter-frame temporal shift variations

#115
20170162208
2017-06-08

System for perceived enhancement and restoration of compressed audio signals

#116
20170154631
2017-06-01

Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping

#117
20170148458
2017-05-25

Reconstructing audio signals with multiple decorrelation techniques and differentially coded parameters

#118
20170148457
2017-05-25

Reconstructing audio signals with multiple decorrelation techniques

#119
20170148456
2017-05-25

Reconstructing audio signals with multiple decorrelation techniques

#120
20170140769
2017-05-18

Apparatus and method for processing an audio signal using a harmonic post-filter

#121
20170140768
2017-05-18

Processor, method and computer program for processing an audio signal using truncated analysis or synthesis window overlap portions

#122
20170140767
2017-05-18

Data decoding method and apparatus

#123
20170140762
2017-05-18

Method and apparatus for concealing frame error and method and apparatus for audio decoding

#124
20170134876
2017-05-11

Spatial audio processor and a method for providing spatial parameters based on an acoustic input signal

#125
20170133034
2017-05-11

Audio coherence enhancement by controlling time variant weighting factors for decorrelated signals

#126
20170133029
2017-05-11

Harmonicity-dependent controlling of a harmonic filter tool

#127
20170118555
2017-04-27

Adaptive phase-distortionless magnitude response equalization (MRE) for beamforming applications

#128
20170110136
2017-04-20

Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks

#129
20170110135
2017-04-20

Calculator and method for determining phase correction data for an audio signal

#130
20170110134
2017-04-20

Decoder and method for decoding an audio signal, encoder and method for encoding an audio signal

#131
20170110133
2017-04-20

Audio processor and method for processing an audio signal using horizontal phase correction

#132
20170110132
2017-04-20

Audio processor and method for processing an audio signal using vertical phase correction

#133
20170103760
2017-04-13

Frame error concealment

#134
20170084279
2017-03-23

Codebook segment merging

#135
20170076732
2017-03-16

Audio coding method and apparatus

#136
20170076731
2017-03-16

Reconstructing audio signals with multiple decorrelation techniques

#137
20170076729
2017-03-16

Audio encoding device, method and program, and audio decoding device, method and program

#138
20170040024
2017-02-09

Transient detection with hangover indicator for encoding an audio signal

#139
20170004838
2017-01-05

Processing Audio Signals with Adaptive Time or Frequency Resolution

#140
20160267916
2016-09-15

VARIABLE-RESOLUTION PROCESSING OF FRAME-BASED DATA

#141
20160267915
2016-09-15

Audio signal transient detection

#142
20160241252
2016-08-18

High dynamic range analog-to-digital conversion with selective regression based data repair

#143
20160217803
2016-07-28

Signal processing apparatus, signal processing method, and signal processing program

#144
20160210974
2016-07-21

Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework

#145
20160189723
2016-06-30

Reconstructing audio signals with multiple decorrelation techniques

#146
20160189718
2016-06-30

Multichannel audio coding

#147
20160180858
2016-06-23

System and method for reducing temporal artifacts for transient signals in a decorrelator circuit

#148
20160155446
2016-06-02

Concealing a lost audio frame by adjusting spectrum magnitude of a substitute audio frame based on a transient condition of a previously reconstructed audio signal

#149
20160140981
2016-05-19

Apparatus and method for decoding or encoding an audio signal using energy information values for a reconstruction band

#150
20160140980
2016-05-19

Apparatus for decoding an encoded audio signal with frequency tile adaption

#151
20160140979
2016-05-19

Apparatus and method for decoding an encoded audio signal using a cross-over filter around a transition frequency

#152
20160140973
2016-05-19

Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection

#153
20160133265
2016-05-12

Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domain

#154
20160078875
2016-03-17

Apparatus and method for encoding or decoding an audio signal using a transient-location dependent overlap

#155
20160050420
2016-02-18

Apparatus and method for generating an encoded signal or for decoding an encoded audio signal using a multi overlap portion

#156
20160035364
2016-02-04

Method and device for encoding a high frequency signal, and method and device for decoding a high frequency signal

#157
20150379999
2015-12-31

System for perceived enhancement and restoration of compressed audio signals

#158
20150371650
2015-12-24

Communicating information between devices using ultra high frequency audio

#159
20150332676
2015-11-19

Audio encoders, audio decoders, systems, methods and computer programs using an increased temporal resolution in temporal proximity of onsets or offsets of fricatives or affricates

#160
20150287417
2015-10-08

Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping

#161
20150279377
2015-10-01

Encoder, decoder and methods for backward compatible dynamic adaption of time/frequency resolution spatial-audio-object-coding

#162
20150221318
2015-08-06

Method and apparatus for classifying audio signals into fast signals and slow signals

#163
20150221314
2015-08-06

Encoder, decoder and methods for signal-dependent zoom-transform in spatial audio object coding

#164
20150187360
2015-07-02

Apparatus and method for generating a bandwidth extended signal from a bandwidth limited audio signal

#165
20150170668
2015-06-18

Effective pre-echo attenuation in a digital audio signal

#166
20150142452
2015-05-21

Method and apparatus for concealing frame error and method and apparatus for audio decoding

#167
20150139444
2015-05-21

Systems and methods for detecting transient acoustic signals

#168
20150046156
2015-02-12

System and method for anomaly detection and extraction

#169
20150030171
2015-01-29

Acoustic signal processing device and acoustic signal processing method

#170
20140376729
2014-12-25

Segmenting audio signals into auditory events

#171
20140324440
2014-10-30

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

#172
20140303965
2014-10-09

Method for encoding voice signal, method for decoding voice signal, and apparatus using same

#173
20140249805
2014-09-04

Variable resolution processing of frame-based data

#174
20140222441
2014-08-07

Apparatus for generating a decorrelated signal using transmitted phase information

#175
20140149126
2014-05-29

System for perceived enhancement and restoration of compressed audio signals

#176
20140108008
2014-04-17

Method and apparatus for encoding and decoding audio/speech signal

#177
20140095156
2014-04-03

Single channel suppression of impulsive interferences in noisy speech signals

#178
20140044192
2014-02-13

Method and device for encoding a high frequency signal, and method and device for decoding a high frequency signal

#179
20130339036
2013-12-19

Encoding and decoding of pulse positions of tracks of an audio signal

#180
20130332177
2013-12-12

Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result

#181
20130332175
2013-12-12

Audio codec using noise synthesis during inactive phases

#182
20130332174
2013-12-12

Audio codec supporting time-domain and frequency-domain coding modes

#183
20130332153
2013-12-12

Linear prediction based coding scheme using spectral domain noise shaping

#184
20130332152
2013-12-12

Apparatus and method for error concealment in low-delay unified speech and audio coding

#185
20130332151
2013-12-12

Apparatus and method for processing a decoded audio signal in a spectral domain

#186
20130332148
2013-12-12

Apparatus and method for encoding and decoding an audio signal using an aligned look-ahead portion

#187
20130317813
2013-11-28

Spectral envelope coding of energy attack signal

#188
20130253938
2013-09-26

Audio encoding using adaptive codebook application ranges

#189
20130236022
2013-09-12

Device and method for postprocessing a decoded multi-channel audio signal or a decoded stereo signal

#190
20130173273
2013-07-04

Apparatus for decoding a signal comprising transients using a combining unit and a mixer

#191
20130064383
2013-03-14

Information signal representation using lapped transform

#192
20130060367
2013-03-07

Apparatus and method for handling transient sound events in audio signals when changing the replay speed or pitch

#193
20130054254
2013-02-28

Encoding method, encoding apparatus, and computer readable recording medium

#194
20130030797
2013-01-31

Efficient temporal envelope coding approach by prediction between low band signal and high band signal

#195
20130022206
2013-01-24

Spatial audio processor and a method for providing spatial parameters based on an acoustic input signal

#196
20130010985
2013-01-10

Device and method for manipulating an audio signal having a transient event

#197
20130010983
2013-01-10

DEVICE AND METHOD FOR MANIPULATING AN AUDIO SIGNAL HAVING A TRANSIENT EVENT

#198
20130003992
2013-01-03

Device and method for manipulating an audio signal having a transient event

#199
20120323582
2012-12-20

Hierarchical audio frequency encoding and decoding method and system, hierarchical frequency encoding and decoding method for transient signal

#200
20120303375
2012-11-29

Audio decoding using variable-length codebook application ranges

#201
20120303362
2012-11-29

Noise-robust speech coding mode classification

#202
20120284034
2012-11-08

Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks

#203
20120284033
2012-11-08

Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks

#204
20120281859
2012-11-08

Apparatus and method for generating a high frequency audio signal using adaptive oversampling

#205
20120224703
2012-09-06

Audio coding device, audio coding method, and computer-readable recording medium storing audio coding computer program

#206
20120209600
2012-08-16

INTEGRATED VOICE/AUDIO ENCODING/DECODING DEVICE AND METHOD WHEREBY THE OVERLAP REGION OF A WINDOW IS ADJUSTED BASED ON THE TRANSITION INTERVAL

#207
20120209596
2012-08-16

Encoding device, decoding device and method for both

#208
20120177220
2012-07-12

Audio signal correction apparatus, audio signal correction method, and audio signal correction program

#209
20120128162
2012-05-24

Mixed lossless audio compression

#210
20120076323
2012-03-29

Device and method for manipulating an audio signal

#211
20120065980
2012-03-15

Coding and decoding a transient frame

#212
20120059659
2012-03-08

Codebook segment merging

#213
20120051549
2012-03-01

Apparatus, method and computer program for manipulating an audio signal comprising a transient event

#214
20120046954
2012-02-23

Efficient beat-matched crossfading

#215
20120046772
2012-02-23

Low complexity auditory event boundary detection

#216
20120016679
2012-01-19

Adapting masking thresholds for encoding audio data

#217
20110307261
2011-12-15

Quantizing a joint-channel-encoded audio signal

#218
20110251846
2011-10-13

Transient signal encoding method and device, decoding method and device, and processing system

#219
20110246205
2011-10-06

Method for detecting audio signal transient and time-scale modification based on same

#220
20110238427
2011-09-29

Signal classification processing method, classification processing device, and encoding system

#221
20110202358
2011-08-18

Apparatus and a method for calculating a number of spectral envelopes

#222
20110202352
2011-08-18

Apparatus and a method for generating bandwidth extension output data

#223
20110194598
2011-08-11

Methods, apparatuses and system for encoding and decoding signal

#224
20110191112
2011-08-04

ENCODER

#225
20110178795
2011-07-21

Time warp activation signal provider, audio signal encoder, method for providing a time warp activation signal, method for encoding an audio signal and computer programs

#226
20110178617
2011-07-21

Pre-echo attenuation in a digital audio signal

#227
20110173014
2011-07-14

Audio decoding using variable-length codebook application ranges

#228
20110166865
2011-07-07

Computationally efficient audio coder

#229
20110112670
2011-05-12

Device and method for manipulating an audio signal having a transient event

#230
20110106544
2011-05-05

Adapting masking thresholds for encoding a low frequency transient signal in audio data

#231
20110054914
2011-03-03

Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks

#232
20110046965
2011-02-24

Transient detector and method for supporting encoding of an audio signal

#233
20100329470
2010-12-30

Audio information processing and attack detection apparatus and method

#234
20100318349
2010-12-16

Synthesis of lost blocks of a digital audio signal, with pitch period correction

#235
20100305956
2010-12-02

Method and apparatus for processing a signal using a time-stretched band extension base signal

#236
20100274557
2010-10-28

Method and an apparatus for processing a signal

#237
20100211400
2010-08-19

Method and an apparatus for processing a signal using length-adjusted window

#238
20100185439
2010-07-22

Segmenting audio signals into auditory events

#239
20100145682
2010-06-10

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