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

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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
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China
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filter
signal
low pass
pass filter
decoder
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Chinese (zh)
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CN109416913A (zh
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J·约翰斯顿
S·怀特
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Immersion Services LLC
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Immersion Services LLC
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Priority claimed from US15/151,211 external-priority patent/US20170330575A1/en
Priority claimed from US15/151,109 external-priority patent/US10699725B2/en
Priority claimed from US15/151,200 external-priority patent/US10770088B2/en
Priority claimed from US15/151,220 external-priority patent/US10756755B2/en
Application filed by Immersion Services LLC filed Critical Immersion Services LLC
Publication of CN109416913A publication Critical patent/CN109416913A/zh
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    • 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
    • G10L19/26—Pre-filtering or post-filtering
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to 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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/035—Scalar quantisation
    • 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
    • G10L19/26—Pre-filtering or post-filtering
    • 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
    • G10L2019/0001—Codebooks

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  • 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
US15/151,200 2016-05-10
US15/151,109 2016-05-10
US15/151,211 US20170330575A1 (en) 2016-05-10 2016-05-10 Adaptive audio codec system, method and article
US15/151,220 2016-05-10
US15/151,109 US10699725B2 (en) 2016-05-10 2016-05-10 Adaptive audio encoder system, method and article
US15/151,211 2016-05-10
US15/151,200 US10770088B2 (en) 2016-05-10 2016-05-10 Adaptive audio decoder system, method and article
US15/151,220 US10756755B2 (en) 2016-05-10 2016-05-10 Adaptive audio codec system, method and article
PCT/US2017/031735 WO2017196833A1 (en) 2016-05-10 2017-05-09 Adaptive audio codec system, method, apparatus and medium

Publications (2)

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

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EP (1) EP3455854B1 (https=)
JP (1) JP7005036B2 (https=)
KR (1) KR20190011742A (https=)
CN (1) CN109416913B (https=)
AU (1) AU2017262757B2 (https=)
CA (1) CA3024167A1 (https=)
WO (1) WO2017196833A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114424548B (zh) * 2019-08-26 2023-08-04 Lg电子株式会社 基于调色板编码的图像或视频编码
US11935546B2 (en) * 2021-08-19 2024-03-19 Semiconductor Components Industries, Llc Transmission error robust ADPCM compressor with enhanced response

Citations (4)

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EP1326235A2 (en) * 2002-01-04 2003-07-09 Broadcom Corporation Efficient excitation quantization in noise feedback coding with general noise shaping
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 (en) * 2008-01-04 2009-07-08 Dolby Sweden AB Audio encoder and decoder
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

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JP3398457B2 (ja) * 1994-03-10 2003-04-21 沖電気工業株式会社 量子化スケールファクタ生成方法、逆量子化スケールファクタ生成方法、適応量子化回路、適応逆量子化回路、符号化装置及び復号化装置
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
ATE543178T1 (de) * 2002-09-04 2012-02-15 Microsoft Corp Entropische kodierung mittels anpassung des kodierungsmodus zwischen niveau- und lauflängenniveau-modus
JP3748261B2 (ja) * 2003-06-17 2006-02-22 沖電気工業株式会社 Ａｄｐｃｍ方式復号器
WO2005057550A1 (ja) * 2003-12-15 2005-06-23 Matsushita Electric Industrial Co., Ltd. 音声圧縮伸張装置
BRPI0608270A2 (pt) * 2005-04-01 2009-10-06 Qualcomm Inc sistemas, métodos e equipamento para filtragem anti-dispersão
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)

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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 (en) * 2002-01-04 2003-07-09 Broadcom Corporation Efficient excitation quantization in noise feedback coding with general noise shaping
EP2077551A1 (en) * 2008-01-04 2009-07-08 Dolby Sweden AB Audio encoder and decoder
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

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Title
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Also Published As

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

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