CA2838170C - Audio-encoding method and apparatus, audio-decoding method and apparatus, recoding medium thereof, and multimedia device employing same - Google Patents

Audio-encoding method and apparatus, audio-decoding method and apparatus, recoding medium thereof, and multimedia device employing same Download PDF

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Publication number
CA2838170C
CA2838170C CA2838170A CA2838170A CA2838170C CA 2838170 C CA2838170 C CA 2838170C CA 2838170 A CA2838170 A CA 2838170A CA 2838170 A CA2838170 A CA 2838170A CA 2838170 C CA2838170 C CA 2838170C
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band
sub
quantization
audio
quantization index
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French (fr)
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CA2838170A1 (en
Inventor
Anton Porov
Konstantin Osipov
Ki-Hyun Choo
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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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
    • G10L19/02—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
    • 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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • 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
    • G10L19/002—Dynamic bit allocation
    • 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
    • G10L19/008—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 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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • 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
    • G10L19/16—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

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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)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CA2838170A 2011-06-01 2012-06-01 Audio-encoding method and apparatus, audio-decoding method and apparatus, recoding medium thereof, and multimedia device employing same Active CA2838170C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
RU2011121982/08A RU2464649C1 (ru) 2011-06-01 2011-06-01 Способ обработки звукового сигнала
RU2011-121982 2011-06-01
PCT/KR2012/004362 WO2012165910A2 (ko) 2011-06-01 2012-06-01 오디오 부호화방법 및 장치, 오디오 복호화방법 및 장치, 그 기록매체 및 이를 채용하는 멀티미디어 기기

Publications (2)

Publication Number Publication Date
CA2838170A1 CA2838170A1 (en) 2012-12-06
CA2838170C true CA2838170C (en) 2019-08-13

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US (3) US9361895B2 (enExample)
EP (1) EP2717264B1 (enExample)
JP (2) JP6262649B2 (enExample)
KR (2) KR102044006B1 (enExample)
CN (3) CN106782575B (enExample)
AU (3) AU2012263093B2 (enExample)
CA (1) CA2838170C (enExample)
MX (2) MX2013014152A (enExample)
PL (1) PL2717264T3 (enExample)
RU (1) RU2464649C1 (enExample)
TW (3) TWI616869B (enExample)
WO (1) WO2012165910A2 (enExample)

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RU2464649C1 (ru) 2012-10-20
US9858934B2 (en) 2018-01-02
AU2017228519B2 (en) 2018-10-04
US9361895B2 (en) 2016-06-07
JP6262649B2 (ja) 2018-01-17
WO2012165910A2 (ko) 2012-12-06
KR20190128126A (ko) 2019-11-15
EP2717264A2 (en) 2014-04-09
WO2012165910A3 (ko) 2013-03-28
TWI562134B (en) 2016-12-11
US20160247510A1 (en) 2016-08-25
AU2017228519A1 (en) 2017-10-05
AU2016256685A1 (en) 2016-11-24
TWI616869B (zh) 2018-03-01
JP2014520282A (ja) 2014-08-21
JP2018067008A (ja) 2018-04-26
CN103733257B (zh) 2017-02-15
US9589569B2 (en) 2017-03-07
MX357875B (es) 2018-07-27
TWI601130B (zh) 2017-10-01
CN106803425A (zh) 2017-06-06
KR102154741B1 (ko) 2020-09-11
TW201705125A (zh) 2017-02-01
KR20120135118A (ko) 2012-12-12
CN106782575B (zh) 2020-12-18
AU2012263093B2 (en) 2016-08-11
CN106782575A (zh) 2017-05-31
US20140156284A1 (en) 2014-06-05
CN106803425B (zh) 2021-01-12
JP6612837B2 (ja) 2019-11-27
TW201738881A (zh) 2017-11-01
PL2717264T3 (pl) 2020-04-30
AU2016256685B2 (en) 2017-06-15
EP2717264A4 (en) 2014-10-29
KR102044006B1 (ko) 2019-11-12
US20170178637A1 (en) 2017-06-22
CA2838170A1 (en) 2012-12-06
EP2717264B1 (en) 2020-01-01
MX2013014152A (es) 2014-04-16
TW201303852A (zh) 2013-01-16
AU2012263093A1 (en) 2014-01-09
CN103733257A (zh) 2014-04-16

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