RU2610588C2 - Вычисление отношения сигнал-шум конвертора с уменьшенной сложностью - Google Patents

Вычисление отношения сигнал-шум конвертора с уменьшенной сложностью Download PDF

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RU2610588C2
RU2610588C2 RU2015116854A RU2015116854A RU2610588C2 RU 2610588 C2 RU2610588 C2 RU 2610588C2 RU 2015116854 A RU2015116854 A RU 2015116854A RU 2015116854 A RU2015116854 A RU 2015116854A RU 2610588 C2 RU2610588 C2 RU 2610588C2
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control parameter
spectral
bitstream
audio
data rate
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RU2015116854A
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RU2015116854A (ru
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Михель Шуг
Филип УИЛЬЯМС
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Долби Интернешнл Аб
Долби Лабораторис Лайсэнзин Корпорейшн
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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
    • 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
    • G10L19/008—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
    • 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
    • G10L19/03—Spectral prediction for preventing pre-echo; Temporary noise shaping [TNS], e.g. in MPEG2 or MPEG4
    • 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
    • G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding

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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)
RU2015116854A 2012-11-07 2013-11-04 Вычисление отношения сигнал-шум конвертора с уменьшенной сложностью RU2610588C2 (ru)

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US201261723687P 2012-11-07 2012-11-07
US61/723,687 2012-11-07
PCT/EP2013/072961 WO2014072260A2 (en) 2012-11-07 2013-11-04 Reduced complexity converter snr calculation

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RU2015116854A RU2015116854A (ru) 2016-11-27
RU2610588C2 true RU2610588C2 (ru) 2017-02-13

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US (2) US9378748B2 (OSRAM)
EP (1) EP2917909B1 (OSRAM)
JP (2) JP6113294B2 (OSRAM)
KR (1) KR101726205B1 (OSRAM)
CN (1) CN104781878B (OSRAM)
BR (1) BR112015010023B1 (OSRAM)
IN (1) IN2015DN04001A (OSRAM)
RU (1) RU2610588C2 (OSRAM)
WO (1) WO2014072260A2 (OSRAM)

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KR20150066565A (ko) 2015-06-16
IN2015DN04001A (OSRAM) 2015-10-02
JP6113294B2 (ja) 2017-04-12
RU2015116854A (ru) 2016-11-27
KR101726205B1 (ko) 2017-04-12
CN104781878A (zh) 2015-07-15
EP2917909A2 (en) 2015-09-16
US20140188488A1 (en) 2014-07-03
WO2014072260A3 (en) 2014-07-10
BR112015010023A2 (pt) 2017-07-11
WO2014072260A2 (en) 2014-05-15
EP2917909B1 (en) 2018-10-31
CN104781878B (zh) 2018-03-02
BR112015010023B1 (pt) 2021-10-19
JP2017138610A (ja) 2017-08-10
JP2015532981A (ja) 2015-11-16
US20150269950A1 (en) 2015-09-24
US9208789B2 (en) 2015-12-08
JP6474845B2 (ja) 2019-02-27
US9378748B2 (en) 2016-06-28

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