HK1143237A1 - Improved transform coding of speech and audio signals - Google Patents

Improved transform coding of speech and audio signals

Info

Publication number
HK1143237A1
HK1143237A1 HK10109570.7A HK10109570A HK1143237A1 HK 1143237 A1 HK1143237 A1 HK 1143237A1 HK 10109570 A HK10109570 A HK 10109570A HK 1143237 A1 HK1143237 A1 HK 1143237A1
Authority
HK
Hong Kong
Prior art keywords
sub
determining
determined
audio signals
transform coding
Prior art date
Application number
HK10109570.7A
Other languages
English (en)
Inventor
Manuel Briand
Anisse Taleb
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of HK1143237A1 publication Critical patent/HK1143237A1/xx

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
    • G10L19/02—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
    • 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
    • G10L19/0212—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 orthogonal transformation
    • 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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/035—Scalar quantisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
HK10109570.7A 2007-08-27 2010-10-07 Improved transform coding of speech and audio signals HK1143237A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US96815907P 2007-08-27 2007-08-27
US4424808P 2008-04-11 2008-04-11
PCT/SE2008/050967 WO2009029035A1 (en) 2007-08-27 2008-08-26 Improved transform coding of speech and audio signals

Publications (1)

Publication Number Publication Date
HK1143237A1 true HK1143237A1 (en) 2010-12-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
HK10109570.7A HK1143237A1 (en) 2007-08-27 2010-10-07 Improved transform coding of speech and audio signals

Country Status (8)

Country Link
US (2) US20110035212A1 (xx)
EP (1) EP2186087B1 (xx)
JP (1) JP5539203B2 (xx)
CN (1) CN101790757B (xx)
AT (1) ATE535904T1 (xx)
ES (1) ES2375192T3 (xx)
HK (1) HK1143237A1 (xx)
WO (1) WO2009029035A1 (xx)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2697920C (en) 2007-08-27 2018-01-02 Telefonaktiebolaget L M Ericsson (Publ) Transient detector and method for supporting encoding of an audio signal
JP5539203B2 (ja) * 2007-08-27 2014-07-02 テレフオンアクチーボラゲット エル エム エリクソン（パブル） 改良された音声及びオーディオ信号の変換符号化
US8700410B2 (en) * 2009-06-18 2014-04-15 Texas Instruments Incorporated Method and system for lossless value-location encoding
US8498874B2 (en) * 2009-09-11 2013-07-30 Sling Media Pvt Ltd Audio signal encoding employing interchannel and temporal redundancy reduction
KR101483179B1 (ko) * 2010-10-06 2015-01-19 에스케이 텔레콤주식회사 주파수 마스크 테이블을 이용한 주파수변환 블록 부호화 방법 및 장치와 그를 이용한 영상 부호화/복호화 방법 및 장치
GB2487399B (en) * 2011-01-20 2014-06-11 Canon Kk Acoustical synthesis
TR201907767T4 (tr) * 2011-04-15 2019-06-21 Ericsson Telefon Ab L M Uyarlamalı kazanç-form hızı paylaşımı.
CN105825859B (zh) 2011-05-13 2020-02-14 三星电子株式会社 比特分配、音频编码和解码
CN102800317B (zh) * 2011-05-25 2014-09-17 华为技术有限公司 信号分类方法及设备、编解码方法及设备
CN102208188B (zh) * 2011-07-13 2013-04-17 华为技术有限公司 音频信号编解码方法和设备
WO2014046916A1 (en) 2012-09-21 2014-03-27 Dolby Laboratories Licensing Corporation Layered approach to spatial audio coding
CN103778918B (zh) * 2012-10-26 2016-09-07 华为技术有限公司 音频信号的比特分配的方法和装置
CN105976824B (zh) 2012-12-06 2021-06-08 华为技术有限公司 信号解码的方法和设备
RU2740690C2 (ru) 2013-04-05 2021-01-19 Долби Интернешнл Аб Звуковые кодирующее устройство и декодирующее устройство
EP3014609B1 (en) 2013-06-27 2017-09-27 Dolby Laboratories Licensing Corporation Bitstream syntax for spatial voice coding
FR3017484A1 (fr) * 2014-02-07 2015-08-14 Orange Extension amelioree de bande de frequence dans un decodeur de signaux audiofrequences
CN105225671B (zh) 2014-06-26 2016-10-26 华为技术有限公司 编解码方法、装置及系统
US10146500B2 (en) * 2016-08-31 2018-12-04 Dts, Inc. Transform-based audio codec and method with subband energy smoothing
EP3483886A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Selecting pitch lag
EP3483884A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signal filtering
EP3483879A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Analysis/synthesis windowing function for modulated lapped transformation
EP3483882A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Controlling bandwidth in encoders and/or decoders
EP3483880A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Temporal noise shaping
WO2019091573A1 (en) * 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters
EP3483878A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder supporting a set of different loss concealment tools
WO2019091576A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits
EP3483883A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio coding and decoding with selective postfiltering
EP3775821A1 (en) 2018-04-11 2021-02-17 Dolby Laboratories Licensing Corporation Perceptually-based loss functions for audio encoding and decoding based on machine learning
US10455335B1 (en) * 2018-07-20 2019-10-22 Mimi Hearing Technologies GmbH Systems and methods for modifying an audio signal using custom psychoacoustic models
US10966033B2 (en) * 2018-07-20 2021-03-30 Mimi Hearing Technologies GmbH Systems and methods for modifying an audio signal using custom psychoacoustic models
EP3598441B1 (en) * 2018-07-20 2020-11-04 Mimi Hearing Technologies GmbH Systems and methods for modifying an audio signal using custom psychoacoustic models
EP3614380B1 (en) 2018-08-22 2022-04-13 Mimi Hearing Technologies GmbH Systems and methods for sound enhancement in audio systems

Family Cites Families (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE40280E1 (en) * 1988-12-30 2008-04-29 Lucent Technologies Inc. Rate loop processor for perceptual encoder/decoder
US5752225A (en) * 1989-01-27 1998-05-12 Dolby Laboratories Licensing Corporation Method and apparatus for split-band encoding and split-band decoding of audio information using adaptive bit allocation to adjacent subbands
NL9000338A (nl) * 1989-06-02 1991-01-02 Koninkl Philips Electronics Nv Digitaal transmissiesysteem, zender en ontvanger te gebruiken in het transmissiesysteem en registratiedrager verkregen met de zender in de vorm van een optekeninrichting.
JP2560873B2 (ja) * 1990-02-28 1996-12-04 日本ビクター株式会社 直交変換符号化復号化方法
JP3134363B2 (ja) * 1991-07-16 2001-02-13 ソニー株式会社 量子化方法
EP0559348A3 (en) * 1992-03-02 1993-11-03 AT&T Corp. Rate control loop processor for perceptual encoder/decoder
JP3150475B2 (ja) * 1993-02-19 2001-03-26 松下電器産業株式会社 量子化方法
JP3123290B2 (ja) * 1993-03-09 2001-01-09 ソニー株式会社 圧縮データ記録装置及び方法、圧縮データ再生方法、記録媒体
US5508949A (en) * 1993-12-29 1996-04-16 Hewlett-Packard Company Fast subband filtering in digital signal coding
JP3334419B2 (ja) * 1995-04-20 2002-10-15 ソニー株式会社 ノイズ低減方法及びノイズ低減装置
SE512719C2 (sv) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
JP3784993B2 (ja) * 1998-06-26 2006-06-14 株式会社リコー 音響信号の符号化・量子化方法
CN1065400C (zh) * 1998-09-01 2001-05-02 国家科学技术委员会高技术研究发展中心 兼容ac－3和mpeg－2的音频编解码器
US6704705B1 (en) * 1998-09-04 2004-03-09 Nortel Networks Limited Perceptual audio coding
US6578162B1 (en) * 1999-01-20 2003-06-10 Skyworks Solutions, Inc. Error recovery method and apparatus for ADPCM encoded speech
DE19947877C2 (de) * 1999-10-05 2001-09-13 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Einbringen von Informationen in einen Datenstrom sowie Verfahren und Vorrichtung zum Codieren eines Audiosignals
EP1139336A3 (en) * 2000-03-30 2004-01-02 Matsushita Electric Industrial Co., Ltd. Determination of quantizaion coefficients for a subband audio encoder
JP4021124B2 (ja) * 2000-05-30 2007-12-12 株式会社リコー デジタル音響信号符号化装置、方法及び記録媒体
JP2002268693A (ja) * 2001-03-12 2002-09-20 Mitsubishi Electric Corp オーディオ符号化装置
US6947886B2 (en) * 2002-02-21 2005-09-20 The Regents Of The University Of California Scalable compression of audio and other signals
JP2003280695A (ja) * 2002-03-19 2003-10-02 Sanyo Electric Co Ltd 音声圧縮方法および音声圧縮装置
JP2003280691A (ja) * 2002-03-19 2003-10-02 Sanyo Electric Co Ltd 音声処理方法および音声処理装置
JP3881946B2 (ja) * 2002-09-12 2007-02-14 松下電器産業株式会社 音響符号化装置及び音響符号化方法
US7272566B2 (en) * 2003-01-02 2007-09-18 Dolby Laboratories Licensing Corporation Reducing scale factor transmission cost for MPEG-2 advanced audio coding (AAC) using a lattice based post processing technique
JP4293833B2 (ja) * 2003-05-19 2009-07-08 シャープ株式会社 ディジタル信号記録再生装置及びその制御プログラム
WO2005004113A1 (ja) * 2003-06-30 2005-01-13 Fujitsu Limited オーディオ符号化装置
KR100595202B1 (ko) * 2003-12-27 2006-06-30 엘지전자 주식회사 디지털 오디오 워터마크 삽입/검출 장치 및 방법
JP2006018023A (ja) * 2004-07-01 2006-01-19 Fujitsu Ltd オーディオ信号符号化装置、および符号化プログラム
US7668715B1 (en) * 2004-11-30 2010-02-23 Cirrus Logic, Inc. Methods for selecting an initial quantization step size in audio encoders and systems using the same
US7539612B2 (en) * 2005-07-15 2009-05-26 Microsoft Corporation Coding and decoding scale factor information
CN1909066B (zh) * 2005-08-03 2011-02-09 昆山杰得微电子有限公司 音频编码码量控制和调整的方法
US8332216B2 (en) * 2006-01-12 2012-12-11 Stmicroelectronics Asia Pacific Pte., Ltd. System and method for low power stereo perceptual audio coding using adaptive masking threshold
JP4350718B2 (ja) * 2006-03-22 2009-10-21 富士通株式会社 音声符号化装置
KR100943606B1 (ko) * 2006-03-30 2010-02-24 삼성전자주식회사 디지털 통신 시스템에서 양자화 장치 및 방법
SG136836A1 (en) * 2006-04-28 2007-11-29 St Microelectronics Asia Adaptive rate control algorithm for low complexity aac encoding
JP5539203B2 (ja) * 2007-08-27 2014-07-02 テレフオンアクチーボラゲット エル エム エリクソン（パブル） 改良された音声及びオーディオ信号の変換符号化

Also Published As

Publication number Publication date
ES2375192T3 (es) 2012-02-27
US20110035212A1 (en) 2011-02-10
EP2186087A4 (en) 2010-11-24
EP2186087B1 (en) 2011-11-30
ATE535904T1 (de) 2011-12-15
JP5539203B2 (ja) 2014-07-02
CN101790757B (zh) 2012-05-30
US9153240B2 (en) 2015-10-06
US20140142956A1 (en) 2014-05-22
JP2010538316A (ja) 2010-12-09
WO2009029035A1 (en) 2009-03-05
EP2186087A1 (en) 2010-05-19
CN101790757A (zh) 2010-07-28

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