ATE531037T1 - Vorrichtung für wahrnehmungsgewichtung bei der tonkodierung/-dekodierung - Google Patents

Vorrichtung für wahrnehmungsgewichtung bei der tonkodierung/-dekodierung

Info

Publication number
ATE531037T1
ATE531037T1 AT07731586T AT07731586T ATE531037T1 AT E531037 T1 ATE531037 T1 AT E531037T1 AT 07731586 T AT07731586 T AT 07731586T AT 07731586 T AT07731586 T AT 07731586T AT E531037 T1 ATE531037 T1 AT E531037T1
Authority
AT
Austria
Prior art keywords
signal
sub
coder
band
perceptual weighting
Prior art date
Application number
AT07731586T
Other languages
English (en)
Inventor
Stephane Ragot
Romain Trilling
Original Assignee
France Telecom
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by France Telecom filed Critical France Telecom
Application granted granted Critical
Publication of ATE531037T1 publication Critical patent/ATE531037T1/de

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—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
    • G10L19/04—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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—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
    • G10L19/04—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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—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
    • G10L19/02—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
    • G10L19/0204—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 using subband decomposition
    • G10L19/0208—Subband vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—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
    • G10L19/04—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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AT07731586T 2006-02-14 2007-02-07 Vorrichtung für wahrnehmungsgewichtung bei der tonkodierung/-dekodierung ATE531037T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0650538 2006-02-14
PCT/FR2007/050760 WO2007093726A2 (fr) 2006-02-14 2007-02-07 Dispositif de ponderation perceptuelle en codage/decodage audio

Publications (1)

Publication Number Publication Date
ATE531037T1 true ATE531037T1 (de) 2011-11-15

Family

ID=36952401

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07731586T ATE531037T1 (de) 2006-02-14 2007-02-07 Vorrichtung für wahrnehmungsgewichtung bei der tonkodierung/-dekodierung

Country Status (7)

Country Link
US (1) US8260620B2 (de)
EP (1) EP1989706B1 (de)
JP (1) JP5117407B2 (de)
KR (1) KR101366124B1 (de)
CN (1) CN101385079B (de)
AT (1) ATE531037T1 (de)
WO (1) WO2007093726A2 (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7461106B2 (en) 2006-09-12 2008-12-02 Motorola, Inc. Apparatus and method for low complexity combinatorial coding of signals
GB2448201A (en) * 2007-04-04 2008-10-08 Zarlink Semiconductor Inc Cancelling non-linear echo during full duplex communication in a hands free communication system.
US8576096B2 (en) * 2007-10-11 2013-11-05 Motorola Mobility Llc Apparatus and method for low complexity combinatorial coding of signals
US8209190B2 (en) * 2007-10-25 2012-06-26 Motorola Mobility, Inc. Method and apparatus for generating an enhancement layer within an audio coding system
US20090234642A1 (en) * 2008-03-13 2009-09-17 Motorola, Inc. Method and Apparatus for Low Complexity Combinatorial Coding of Signals
US8639519B2 (en) * 2008-04-09 2014-01-28 Motorola Mobility Llc Method and apparatus for selective signal coding based on core encoder performance
BRPI0910511B1 (pt) * 2008-07-11 2021-06-01 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Aparelho e método para decodificar e codificar um sinal de áudio
CA2730200C (en) * 2008-07-11 2016-09-27 Max Neuendorf An apparatus and a method for generating bandwidth extension output data
KR101170466B1 (ko) 2008-07-29 2012-08-03 한국전자통신연구원 Ｍｄｃｔ 영역에서의 후처리 방법, 및 장치
WO2010032992A2 (ko) * 2008-09-18 2010-03-25 한국전자통신연구원 Mdct기반의 코너와 이종의 코더간 변환에서의 인코딩 장치 및 디코딩 장치
FR2938688A1 (fr) * 2008-11-18 2010-05-21 France Telecom Codage avec mise en forme du bruit dans un codeur hierarchique
US8219408B2 (en) * 2008-12-29 2012-07-10 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
US8140342B2 (en) * 2008-12-29 2012-03-20 Motorola Mobility, Inc. Selective scaling mask computation based on peak detection
US8175888B2 (en) * 2008-12-29 2012-05-08 Motorola Mobility, Inc. Enhanced layered gain factor balancing within a multiple-channel audio coding system
US8200496B2 (en) * 2008-12-29 2012-06-12 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
WO2011062535A1 (en) * 2009-11-19 2011-05-26 Telefonaktiebolaget Lm Ericsson (Publ) Methods and arrangements for loudness and sharpness compensation in audio codecs
US8428936B2 (en) * 2010-03-05 2013-04-23 Motorola Mobility Llc Decoder for audio signal including generic audio and speech frames
US8423355B2 (en) * 2010-03-05 2013-04-16 Motorola Mobility Llc Encoder for audio signal including generic audio and speech frames
CN102223527B (zh) * 2010-04-13 2013-04-17 华为技术有限公司 频带加权量化编解码方法和装置
KR101747917B1 (ko) 2010-10-18 2017-06-15 삼성전자주식회사 선형 예측 계수를 양자화하기 위한 저복잡도를 가지는 가중치 함수 결정 장치 및 방법
FR2969360A1 (fr) * 2010-12-16 2012-06-22 France Telecom Codage perfectionne d'un etage d'amelioration dans un codeur hierarchique
US9037456B2 (en) * 2011-07-26 2015-05-19 Google Technology Holdings LLC Method and apparatus for audio coding and decoding
JP5737077B2 (ja) * 2011-08-30 2015-06-17 富士通株式会社 オーディオ符号化装置、オーディオ符号化方法及びオーディオ符号化用コンピュータプログラム
US8712076B2 (en) 2012-02-08 2014-04-29 Dolby Laboratories Licensing Corporation Post-processing including median filtering of noise suppression gains
US9173025B2 (en) 2012-02-08 2015-10-27 Dolby Laboratories Licensing Corporation Combined suppression of noise, echo, and out-of-location signals
US9129600B2 (en) 2012-09-26 2015-09-08 Google Technology Holdings LLC Method and apparatus for encoding an audio signal
FR3008533A1 (fr) * 2013-07-12 2015-01-16 Orange Facteur d'echelle optimise pour l'extension de bande de frequence dans un decodeur de signaux audiofrequences
CN110890101B (zh) 2013-08-28 2024-01-12 杜比实验室特许公司 用于基于语音增强元数据进行解码的方法和设备
FR3011408A1 (fr) * 2013-09-30 2015-04-03 Orange Re-echantillonnage d'un signal audio pour un codage/decodage a bas retard
CN113206773B (zh) 2014-12-23 2024-01-12 杜比实验室特许公司 与语音质量估计相关的改进方法和设备
WO2017050398A1 (en) 2015-09-25 2017-03-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder, decoder and methods for signal-adaptive switching of the overlap ratio in audio transform coding
EP3288031A1 (de) * 2016-08-23 2018-02-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und verfahren zur codierung eines audiosignals mit einem kompensationswert
US20190051286A1 (en) * 2017-08-14 2019-02-14 Microsoft Technology Licensing, Llc Normalization of high band signals in network telephony communications
WO2020146867A1 (en) * 2019-01-13 2020-07-16 Huawei Technologies Co., Ltd. High resolution audio coding

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5371853A (en) * 1991-10-28 1994-12-06 University Of Maryland At College Park Method and system for CELP speech coding and codebook for use therewith
JP3139602B2 (ja) * 1995-03-24 2001-03-05 日本電信電話株式会社 音響信号符号化方法及び復号化方法
FR2734389B1 (fr) * 1995-05-17 1997-07-18 Proust Stephane Procede d'adaptation du niveau de masquage du bruit dans un codeur de parole a analyse par synthese utilisant un filtre de ponderation perceptuelle a court terme
US5778335A (en) * 1996-02-26 1998-07-07 The Regents Of The University Of California Method and apparatus for efficient multiband celp wideband speech and music coding and decoding
KR100261253B1 (ko) * 1997-04-02 2000-07-01 윤종용 비트율 조절이 가능한 오디오 부호화/복호화 방법및 장치
US6182031B1 (en) * 1998-09-15 2001-01-30 Intel Corp. Scalable audio coding system
DE60035453T2 (de) * 1999-05-11 2008-03-20 Nippon Telegraph And Telephone Corp. Auswahl des Synthesefilters für eine CELP Kodierung von breitbandigen Audiosignalen
US6691082B1 (en) * 1999-08-03 2004-02-10 Lucent Technologies Inc Method and system for sub-band hybrid coding
US6446037B1 (en) * 1999-08-09 2002-09-03 Dolby Laboratories Licensing Corporation Scalable coding method for high quality audio
CA2290037A1 (en) * 1999-11-18 2001-05-18 Voiceage Corporation Gain-smoothing amplifier device and method in codecs for wideband speech and audio signals
WO2001075759A1 (en) 2000-03-27 2001-10-11 Russell Randall A School commerce system and method
US6523003B1 (en) * 2000-03-28 2003-02-18 Tellabs Operations, Inc. Spectrally interdependent gain adjustment techniques
EP1287521A4 (de) * 2000-03-28 2005-11-16 Tellabs Operations Inc Wahrnehmungsbezogene spektrale gewichtung von frequenzbändern für die adaptive rauschlöschung
WO2003056546A1 (fr) * 2001-12-25 2003-07-10 Ntt Docomo, Inc. Appareil de codage de signaux, procede de codage de signaux, et programme
US7283966B2 (en) * 2002-03-07 2007-10-16 Microsoft Corporation Scalable audio communications utilizing rate-distortion based end-to-end bit allocation
KR100711989B1 (ko) * 2002-03-12 2007-05-02 노키아 코포레이션 효율적으로 개선된 스케일러블 오디오 부호화
US7502743B2 (en) * 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
US20040098255A1 (en) * 2002-11-14 2004-05-20 France Telecom Generalized analysis-by-synthesis speech coding method, and coder implementing such method
EP1619664B1 (de) * 2003-04-30 2012-01-25 Panasonic Corporation Geräte und verfahren zur sprachkodierung bzw. -entkodierung
US7392195B2 (en) * 2004-03-25 2008-06-24 Dts, Inc. Lossless multi-channel audio codec
US7715573B1 (en) * 2005-02-28 2010-05-11 Texas Instruments Incorporated Audio bandwidth expansion
US7177804B2 (en) * 2005-05-31 2007-02-13 Microsoft Corporation Sub-band voice codec with multi-stage codebooks and redundant coding

Also Published As

Publication number Publication date
KR20080093450A (ko) 2008-10-21
WO2007093726A2 (fr) 2007-08-23
US8260620B2 (en) 2012-09-04
JP5117407B2 (ja) 2013-01-16
EP1989706B1 (de) 2011-10-26
KR101366124B1 (ko) 2014-02-21
EP1989706A2 (de) 2008-11-12
CN101385079A (zh) 2009-03-11
US20090076829A1 (en) 2009-03-19
CN101385079B (zh) 2012-08-29
JP2009527017A (ja) 2009-07-23
WO2007093726A3 (fr) 2007-10-18

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