JP7005036B2 - 適応オーディオコーデックシステム、方法および媒体 - Google Patents

適応オーディオコーデックシステム、方法および媒体 Download PDF

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JP7005036B2
JP7005036B2 JP2019511820A JP2019511820A JP7005036B2 JP 7005036 B2 JP7005036 B2 JP 7005036B2 JP 2019511820 A JP2019511820 A JP 2019511820A JP 2019511820 A JP2019511820 A JP 2019511820A JP 7005036 B2 JP7005036 B2 JP 7005036B2
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signal
filter
factor
step size
circuit
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JP2019521398A5 (enExample
JP2019521398A (ja
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ジェイムズ・ジョンストン
スティーブン・ホワイト
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Immersion Networks Inc
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Immersion Networks Inc
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Priority claimed from US15/151,200 external-priority patent/US10770088B2/en
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 US15/151,220 external-priority patent/US10756755B2/en
Application filed by Immersion Networks Inc filed Critical Immersion Networks Inc
Publication of JP2019521398A publication Critical patent/JP2019521398A/ja
Publication of JP2019521398A5 publication Critical patent/JP2019521398A5/ja
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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)
JP2019511820A 2016-05-10 2017-05-09 適応オーディオコーデックシステム、方法および媒体 Active JP7005036B2 (ja)

Applications Claiming Priority (9)

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

Publications (3)

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JP2019521398A JP2019521398A (ja) 2019-07-25
JP2019521398A5 JP2019521398A5 (enExample) 2020-06-18
JP7005036B2 true JP7005036B2 (ja) 2022-01-21

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

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KR102661462B1 (ko) 2019-08-26 2024-04-26 엘지전자 주식회사 팔레트 코딩 기반 영상 또는 비디오 코딩
US11935546B2 (en) * 2021-08-19 2024-03-19 Semiconductor Components Industries, Llc Transmission error robust ADPCM compressor with enhanced response

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005057550A1 (ja) 2003-12-15 2005-06-23 Matsushita Electric Industrial Co., Ltd. 音声圧縮伸張装置

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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
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
WO2000060576A1 (en) * 1999-04-05 2000-10-12 Hughes Electronics Corporation Spectral phase modeling of the prototype waveform components for a frequency domain interpolative speech codec system
US6751587B2 (en) * 2002-01-04 2004-06-15 Broadcom Corporation Efficient excitation quantization in noise feedback coding with general noise shaping
ATE449405T1 (de) * 2002-09-04 2009-12-15 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
ES2636443T3 (es) * 2005-04-01 2017-10-05 Qualcomm Incorporated Sistemas, procedimientos y aparatos para codificación de voz de banda ancha
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
ATE518224T1 (de) * 2008-01-04 2011-08-15 Dolby Int Ab Audiokodierer und -dekodierer
FR2938688A1 (fr) * 2008-11-18 2010-05-21 France Telecom Codage avec mise en forme du bruit dans un codeur hierarchique
US9343076B2 (en) * 2011-02-16 2016-05-17 Dolby Laboratories Licensing Corporation Methods and systems for generating filter coefficients and configuring filters

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005057550A1 (ja) 2003-12-15 2005-06-23 Matsushita Electric Industrial Co., Ltd. 音声圧縮伸張装置

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Publication number Publication date
CA3024167A1 (en) 2017-11-16
AU2017262757B2 (en) 2022-04-07
AU2017262757A1 (en) 2019-01-03
CN109416913B (zh) 2024-03-15
JP2019521398A (ja) 2019-07-25
EP3455854B1 (en) 2020-09-16
WO2017196833A1 (en) 2017-11-16
EP3455854A1 (en) 2019-03-20
CN109416913A (zh) 2019-03-01
KR20190011742A (ko) 2019-02-07

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