ClassID:

197451

G10L19/093 - 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 predictive techniques; Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using sinusoidal excitation models

Recent Application in this class:
#1
20250285629
2025-09-11

Model Based Prediction in a Critically Sampled Filterbank

#2
20240274142
2024-08-15

Model based prediction in a critically sampled filterbank

#3
20230306974
2023-09-28

Model based prediction in a critically sampled filterbank

#4
20210287686
2021-09-16

Model based prediction in a critically sampled filterbank

#5
20200258532
2020-08-13

Model based prediction in a critically sampled filterbank

#6
20190385624
2019-12-19

Methods for improving high frequency reconstruction

#7
20190355368
2019-11-21

High frequency replication utilizing wave and noise information in encoding and decoding audio signals

#8
20190259401
2019-08-22

Model based prediction in a critically sampled filterbank

#9
20190013034
2019-01-10

Model based prediction in a critically sampled filterbank

#10
20180315439
2018-11-01

Signal processor

#11
20180069741
2018-03-08

Module for combining signals having different frequencies

#12
20180018978
2018-01-18

Method of encoding, method of decoding, encoder, and decoder of an audio signal using transformation of frequencies of sinusoids

#13
20170178658
2017-06-22

High frequency regeneration of an audio signal with synthetic sinusoid addition

#14
20170178657
2017-06-22

High frequency regeneration of an audio signal with synthetic sinusoid addition

#15
20170178656
2017-06-22

High frequency regeneration of an audio signal with synthetic sinusoid addition

#16
20170178655
2017-06-22

High frequency regeneration of an audio signal with synthetic sinusoid addition

#17
20170178654
2017-06-22

High frequency regeneration of an audio signal with synthetic sinusoid addition

#18
20170148452
2017-05-25

Devices and methods for encoding and decoding audio signals

#19
20160358616
2016-12-08

Methods for improving high frequency reconstruction

#20
20160232912
2016-08-11

High frequency regeneration of an audio signal with synthetic sinusoid addition

#21
20150149156
2015-05-28

Selective phase compensation in high band coding of an audio signal

#22
20140310007
2014-10-16

Method and apparatus for encoding and decoding audio signal using adaptive sinusoidal coding

#23
20130010979
2013-01-10

Transmitter

#24
20120318949
2012-12-20

Low profile seat position adjustment system

#25
20120248838
2012-10-04

Seat shell with integrally formed latch handle holder and fore-aft position adjustment assembly

#26
20120029926
2012-02-02

SYSTEMS, METHODS, APPARATUS, AND COMPUTER-READABLE MEDIA FOR DEPENDENT-MODE CODING OF AUDIO SIGNALS

#27
20120029925
2012-02-02

Systems, methods, apparatus, and computer-readable media for dynamic bit allocation

#28
20120029924
2012-02-02

Systems, methods, apparatus, and computer-readable media for multi-stage shape vector quantization

#29
20120029923
2012-02-02

Systems, methods, apparatus, and computer-readable media for coding of harmonic signals

#30
20110320207
2011-12-29

Coding, modification and synthesis of speech segments

#31
20110301961
2011-12-08

Method and apparatus for encoding and decoding audio signal using adaptive sinusoidal coding

#32
20110295608
2011-12-01

Methods for improving high frequency reconstruction

#33
20110178807
2011-07-21

Method and apparatus for decoding audio signal

#34
20110040556
2011-02-17

METHOD AND APPARATUS FOR ENCODING AND DECODING RESIDUAL SIGNAL

#35
20110010168
2011-01-13

Multimode coding of speech-like and non-speech-like signals

#36
20100241423
2010-09-23

SYSTEM AND METHOD FOR FREQUENCY TO PHASE BALANCING FOR TIMBRE-ACCURATE LOW BIT RATE AUDIO ENCODING

#37
20100131276
2010-05-27

AUDIO SIGNAL SYNTHESIS

#38
20100023335
2010-01-28

Low complexity parametric stereo decoder

#39
20090326929
2009-12-31

Methods for improving high frequency reconstruction

#40
20090308229
2009-12-17

DECODING SOUND PARAMETERS

#41
20090212190
2009-08-27

Seat mount with integrated adjustment

#42
20090198489
2009-08-06

Method and apparatus for frequency encoding, and method and apparatus for frequency decoding

#43
20090192789
2009-07-30

METHOD AND APPARATUS FOR ENCODING/DECODING AUDIO SIGNALS

#44
20090190696
2009-07-30

METHOD AND SYSTEM FOR ESTIMATING PARAMETERS OF A MULTI-TONE SIGNAL

#45
20090187411
2009-07-23

METHOD FOR ENCODING A SOURCE AUDIO SIGNAL, CORRESPONDING ENCODING DEVICE, DECODING METHOD, SIGNAL, DATA CARRIER AND COMPUTER PROGRAM PRODUCT

#46
20090138271
2009-05-28

PARAMETRIC AUDIO CODING COMPRISING AMPLITUDE ENVELOPS

#47
20090132261
2009-05-21

Methods and apparatus for improving high frequency reconstruction of audio and speech signals

#48
20090106030
2009-04-23

METHOD OF SIGNAL ENCODING

#49
20090076822
2009-03-19

Audio signal transforming by utilizing a computational cost function

#50
20090063163
2009-03-05

METHOD AND APPARATUS FOR ENCODING/DECODING MEDIA SIGNAL

#51
20090063162
2009-03-05

Parametric audio encoding and decoding apparatus and method thereof having selective phase encoding for birth sine wave

#52
20090063161
2009-03-05

METHOD AND APPARATUS FOR ENCODING AND DECODING CONTINUATION SINUSOIDAL SIGNAL OF AUDIO SIGNAL

#53
20090062945
2009-03-05

Method and system for estimating frequency and amplitude change of spectral peaks

#54
20090055197
2009-02-26

Method and apparatus for encoding continuation sinusoid signal information of audio signal and method and apparatus for decoding same

#55
20090048849
2009-02-19

Audio encoding method and apparatus, and audio decoding method and apparatus, for processing death sinusoid and general continuation sinusoid

#56
20090048826
2009-02-19

Encoding method and apparatus for efficiently encoding sinusoidal signal whose magnitude is less than masking value according to psychoacoustic model and decoding method and apparatus for decoding encoded sinusoidal signal

#57
20090024396
2009-01-22

AUDIO SIGNAL ENCODING METHOD AND APPARATUS

#58
20080305752
2008-12-11

Method and apparatus for sinusoidal audio coding and method and apparatus for sinusoidal audio decoding

#59
20080294445
2008-11-27

Method and apparatus for sinusoidal audio coding

#60
20080281604
2008-11-13

METHOD AND APPARATUS TO ENCODE AND DECODE AN AUDIO SIGNAL

#61
20080255855
2008-10-16

Method and apparatus for coding and decoding amplitude of partial

#62
20080243493
2008-10-02

Method for Restoring Partials of a Sound Signal

#63
20080235034
2008-09-25

Method and apparatus for encoding envelopes of harmonic signals and method and apparatus for decoding envelopes of harmonic signals

#64
20080212784
2008-09-04

Parametric Multi-Channel Decoding

#65
20080195398
2008-08-14

Audio encoding and decoding apparatus and method using psychoacoustic frequency

#66
20080189117
2008-08-07

User adjustment of signal parameters of coded transient, sinusoidal and noise components of parametrically-coded audio before decoding

#67
20080162149
2008-07-03

Audio encoding and decoding apparatus and method thereof

#68
20080133223
2008-06-05

Method and apparatus to extract important frequency component of audio signal and method and apparatus to encode and/or decode audio signal using the same

#69
20080052068
2008-02-28

Scalable and embedded codec for speech and audio signals

#70
20070288232
2007-12-13

Method and apparatus for estimating harmonic information, spectral envelope information, and degree of voicing of speech signal

#71
20070255557
2007-11-01

Morphology-based speech signal codec method and apparatus

#72
20070185707
2007-08-09

Audio coding

#73
20070124137
2007-05-31

Highly optimized nonlinear least squares method for sinusoidal sound modelling

#74
20070112573
2007-05-17

Sinusoid selection in audio encoding

#75
20070112560
2007-05-17

Low bit-rate audio encoding

#76
20070106505
2007-05-10

Audio coding

#77
20070100639
2007-05-03

Audio encoding

#78
20070033014
2007-02-08

Encoding of transient audio signal components

#79
20070027678
2007-02-01

Low bit-rate audio encoding

#80
20060217984
2006-09-28

Critical band additive synthesis of tonal audio signals

#81
20060217975
2006-09-28

Band based audio coding and decoding apparatuses, methods, and recording media for scalability

#82
20060212501
2006-09-21

Sinusoid selection in audio encoding

#83
20060206316
2006-09-14

Audio coding and decoding apparatuses and methods, and recording mediums storing the methods

#84
20060149539
2006-07-06

Method for separating a sound frame into sinusoidal components and residual noise

#85
20060075880
2006-04-13

System and methods for memory-constrained sound synthesis using harmonic coding

#86
20060074694
2006-04-06

Method for extracting periodic signal components, and apparatus for this purpose

#87
20060064301
2006-03-23

Parametric speech codec for representing synthetic speech in the presence of background noise

#88
20060036431
2006-02-16

Audio coding via creation of sinusoidal tracks and phase determination

#89
20060015328
2006-01-19

Sinusoidal audio coding

#90
20050259822
2005-11-24

Sinusoidal audio coding

#91
20050096917
2005-05-05

Methods for improving high frequency reconstruction

#92
20050065784
2005-03-24

Modification of acoustic signals using sinusoidal analysis and synthesis