CN109416913B - 自适应音频编解码系统、方法、装置及介质 - Google Patents

自适应音频编解码系统、方法、装置及介质 Download PDF

Info

Publication number
CN109416913B
CN109416913B CN201780040686.9A CN201780040686A CN109416913B CN 109416913 B CN109416913 B CN 109416913B CN 201780040686 A CN201780040686 A CN 201780040686A CN 109416913 B CN109416913 B CN 109416913B
Authority
CN
China
Prior art keywords
filter
signal
low pass
pass filter
step size
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN201780040686.9A
Other languages
English (en)
Chinese (zh)
Other versions
CN109416913A (zh
Inventor
J·约翰斯顿
S·怀特
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Immersion Services LLC
Original Assignee
Immersion Services LLC
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
Priority claimed from US15/151,220 external-priority patent/US10756755B2/en
Priority claimed from US15/151,200 external-priority patent/US10770088B2/en
Priority claimed from US15/151,109 external-priority patent/US10699725B2/en
Priority claimed from US15/151,211 external-priority patent/US20170330575A1/en
Application filed by Immersion Services LLC filed Critical Immersion Services LLC
Publication of CN109416913A publication Critical patent/CN109416913A/zh
Application granted granted Critical
Publication of CN109416913B publication Critical patent/CN109416913B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/26Pre-filtering or post-filtering
    • G10L19/265Pre-filtering, e.g. high frequency emphasis prior to encoding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/032Quantisation or dequantisation of spectral components
    • G10L19/035Scalar quantisation
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/26Pre-filtering or post-filtering
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L2019/0001Codebooks

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)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN201780040686.9A 2016-05-10 2017-05-09 自适应音频编解码系统、方法、装置及介质 Active CN109416913B (zh)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US15/151,220 US10756755B2 (en) 2016-05-10 2016-05-10 Adaptive audio codec system, method and article
US15/151,200 US10770088B2 (en) 2016-05-10 2016-05-10 Adaptive audio decoder system, method and article
US15/151,109 2016-05-10
US15/151,109 US10699725B2 (en) 2016-05-10 2016-05-10 Adaptive audio encoder system, method and article
US15/151,211 US20170330575A1 (en) 2016-05-10 2016-05-10 Adaptive audio codec system, method and article
US15/151,200 2016-05-10
US15/151,211 2016-05-10
US15/151,220 2016-05-10
PCT/US2017/031735 WO2017196833A1 (fr) 2016-05-10 2017-05-09 Système de codec audio adaptatif, procédé, appareil et support

Publications (2)

Publication Number Publication Date
CN109416913A CN109416913A (zh) 2019-03-01
CN109416913B true CN109416913B (zh) 2024-03-15

Family

ID=58710160

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201780040686.9A Active CN109416913B (zh) 2016-05-10 2017-05-09 自适应音频编解码系统、方法、装置及介质

Country Status (7)

Country Link
EP (1) EP3455854B1 (fr)
JP (1) JP7005036B2 (fr)
KR (1) KR20190011742A (fr)
CN (1) CN109416913B (fr)
AU (1) AU2017262757B2 (fr)
CA (1) CA3024167A1 (fr)
WO (1) WO2017196833A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2020337678B2 (en) 2019-08-26 2023-12-14 Lg Electronics Inc. Image or video coding based on palette coding

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1326235A2 (fr) * 2002-01-04 2003-07-09 Broadcom Corporation Quantisation de l'excitation dans un système de codage à boucle de rétroaction de bruit avec mise en forme générale du bruit
US6975254B1 (en) * 1998-12-28 2005-12-13 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Methods and devices for coding or decoding an audio signal or bit stream
EP2077551A1 (fr) * 2008-01-04 2009-07-08 Dolby Sweden AB Encodeur audio et décodeur
CN103534752A (zh) * 2011-02-16 2014-01-22 杜比实验室特许公司 用于产生滤波器系数并配置滤波器的方法和系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
US6493664B1 (en) * 1999-04-05 2002-12-10 Hughes Electronics Corporation Spectral magnitude modeling and quantization in a frequency domain interpolative speech codec system
ES2334934T3 (es) * 2002-09-04 2010-03-17 Microsoft Corporation Codificacion de entropia por adaptacion de codificacion entre modalidades de nivel y de longitud de sucesion y nivel.
JP3748261B2 (ja) * 2003-06-17 2006-02-22 沖電気工業株式会社 Adpcm方式復号器
WO2005057550A1 (fr) 2003-12-15 2005-06-23 Matsushita Electric Industrial Co., Ltd. Dispositif de compression/decompression audio
JP5129115B2 (ja) * 2005-04-01 2013-01-23 クゥアルコム・インコーポレイテッド 高帯域バーストの抑制のためのシステム、方法、および装置
US7342525B2 (en) * 2005-12-23 2008-03-11 Cirrus Logic, Inc. Sample rate conversion combined with DSM
DE102006022346B4 (de) * 2006-05-12 2008-02-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Informationssignalcodierung
FR2938688A1 (fr) * 2008-11-18 2010-05-21 France Telecom Codage avec mise en forme du bruit dans un codeur hierarchique

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6975254B1 (en) * 1998-12-28 2005-12-13 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Methods and devices for coding or decoding an audio signal or bit stream
EP1326235A2 (fr) * 2002-01-04 2003-07-09 Broadcom Corporation Quantisation de l'excitation dans un système de codage à boucle de rétroaction de bruit avec mise en forme générale du bruit
EP2077551A1 (fr) * 2008-01-04 2009-07-08 Dolby Sweden AB Encodeur audio et décodeur
CN103534752A (zh) * 2011-02-16 2014-01-22 杜比实验室特许公司 用于产生滤波器系数并配置滤波器的方法和系统

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
多制式语音编码及其DSP实现;杨璐 等;电子技术应用(第07期);全文 *

Also Published As

Publication number Publication date
WO2017196833A1 (fr) 2017-11-16
KR20190011742A (ko) 2019-02-07
JP7005036B2 (ja) 2022-01-21
AU2017262757B2 (en) 2022-04-07
AU2017262757A1 (en) 2019-01-03
CN109416913A (zh) 2019-03-01
EP3455854A1 (fr) 2019-03-20
EP3455854B1 (fr) 2020-09-16
CA3024167A1 (fr) 2017-11-16
JP2019521398A (ja) 2019-07-25

Similar Documents

Publication Publication Date Title
US10770088B2 (en) Adaptive audio decoder system, method and article
US10699725B2 (en) Adaptive audio encoder system, method and article
US10756755B2 (en) Adaptive audio codec system, method and article
JP7277065B2 (ja) 最下位ビットの符号化および復号に適合するオーディオ符号化器、オーディオ復号器、方法、およびコンピュータプログラム
US20170330575A1 (en) Adaptive audio codec system, method and article
SE521693C3 (sv) En metod och anordning för brusundertryckning
WO2010085566A1 (fr) Procédé et appareil de compression ou décompression de signaux numériques
CN109416913B (zh) 自适应音频编解码系统、方法、装置及介质
AU2018363698B2 (en) Controlling bandwidth in encoders and/or decoders
JP2019521398A5 (fr)
JPH0934493A (ja) 音響信号符号化装置、音響信号復号装置および音響信号処理装置

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant