TWI800092B - 音頻解碼裝置、音頻解碼方法及音頻編碼方法 - Google Patents

音頻解碼裝置、音頻解碼方法及音頻編碼方法 Download PDF

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Publication number
TWI800092B
TWI800092B TW110142201A TW110142201A TWI800092B TW I800092 B TWI800092 B TW I800092B TW 110142201 A TW110142201 A TW 110142201A TW 110142201 A TW110142201 A TW 110142201A TW I800092 B TWI800092 B TW I800092B
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Taiwan
Prior art keywords
audio
audio decoding
decoding device
encoding method
audio encoding
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TW110142201A
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TW202236263A (zh
Inventor
傑佛瑞 萊德米勒
雷格納森 瑞達克里斯納
馬文 普萊巴迪
法翰 法拉赫尼
麥可 史密特斯
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美商杜比實驗室特許公司
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
TW110142201A 2010-12-03 2011-11-22 音頻解碼裝置、音頻解碼方法及音頻編碼方法 TWI800092B (zh)

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US41974710P 2010-12-03 2010-12-03
US61/419,747 2010-12-03
US201161558286P 2011-11-10 2011-11-10
US61/558,286 2011-11-10

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TW202236263A TW202236263A (zh) 2022-09-16
TWI800092B true TWI800092B (zh) 2023-04-21

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TW106103710A TWI665659B (zh) 2010-12-03 2011-11-22 音頻解碼裝置、音頻解碼方法及音頻編碼方法
TW108139085A TWI716169B (zh) 2010-12-03 2011-11-22 音頻解碼裝置、音頻解碼方法及音頻編碼方法
TW110121023A TWI759223B (zh) 2010-12-03 2011-11-22 音頻解碼裝置、音頻解碼方法及音頻編碼方法
TW110142201A TWI800092B (zh) 2010-12-03 2011-11-22 音頻解碼裝置、音頻解碼方法及音頻編碼方法
TW107135819A TWI687918B (zh) 2010-12-03 2011-11-22 音頻解碼裝置、音頻解碼方法及音頻編碼方法
TW104116473A TWI581250B (zh) 2010-12-03 2011-11-22 利用多媒體處理節點之適應性處理技術
TW100142745A TWI496461B (zh) 2010-12-03 2011-11-22 利用多媒體處理節點之適應性處理技術
TW109130797A TWI733583B (zh) 2010-12-03 2011-11-22 音頻解碼裝置、音頻解碼方法及音頻編碼方法

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TW106103710A TWI665659B (zh) 2010-12-03 2011-11-22 音頻解碼裝置、音頻解碼方法及音頻編碼方法
TW108139085A TWI716169B (zh) 2010-12-03 2011-11-22 音頻解碼裝置、音頻解碼方法及音頻編碼方法
TW110121023A TWI759223B (zh) 2010-12-03 2011-11-22 音頻解碼裝置、音頻解碼方法及音頻編碼方法

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TW104116473A TWI581250B (zh) 2010-12-03 2011-11-22 利用多媒體處理節點之適應性處理技術
TW100142745A TWI496461B (zh) 2010-12-03 2011-11-22 利用多媒體處理節點之適應性處理技術
TW109130797A TWI733583B (zh) 2010-12-03 2011-11-22 音頻解碼裝置、音頻解碼方法及音頻編碼方法

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US (3) US9842596B2 (zh)
EP (2) EP2647006B1 (zh)
JP (8) JP5879362B2 (zh)
KR (10) KR20230023828A (zh)
CN (6) CN112002336A (zh)
AR (1) AR084086A1 (zh)
AU (1) AU2011336566A1 (zh)
BR (1) BR112013013353B1 (zh)
CA (3) CA2816889C (zh)
CL (1) CL2013001571A1 (zh)
IL (8) IL292856B2 (zh)
MX (4) MX359652B (zh)
MY (2) MY175099A (zh)
RU (3) RU2015132824A (zh)
SG (1) SG190164A1 (zh)
TW (8) TWI665659B (zh)
WO (1) WO2012075246A2 (zh)

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