JP4963498B2 - 非典型的な部分系列に関する部分情報を用いた音声及びオーディオ符号化パラメータの量子化 - Google Patents

非典型的な部分系列に関する部分情報を用いた音声及びオーディオ符号化パラメータの量子化 Download PDF

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JP4963498B2
JP4963498B2 JP2008507957A JP2008507957A JP4963498B2 JP 4963498 B2 JP4963498 B2 JP 4963498B2 JP 2008507957 A JP2008507957 A JP 2008507957A JP 2008507957 A JP2008507957 A JP 2008507957A JP 4963498 B2 JP4963498 B2 JP 4963498B2
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JP2008538619A (ja
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ショーン， エー． ランプラシャッド，
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NTT Docomo Inc
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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
    • G10L19/02—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
    • G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2008507957A 2005-04-20 2006-04-20 非典型的な部分系列に関する部分情報を用いた音声及びオーディオ符号化パラメータの量子化 Active JP4963498B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US67340905P 2005-04-20 2005-04-20
US60/673,409 2005-04-20
US11/408,125 2006-04-19
US11/408,125 US7885809B2 (en) 2005-04-20 2006-04-19 Quantization of speech and audio coding parameters using partial information on atypical subsequences
PCT/US2006/015251 WO2006113921A1 (en) 2005-04-20 2006-04-20 Quantization of speech and audio coding parameters using partial information on atypical subsequences

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JP2008538619A JP2008538619A (ja) 2008-10-30
JP2008538619A5 JP2008538619A5 (enExample) 2009-06-04
JP4963498B2 true JP4963498B2 (ja) 2012-06-27

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US (1) US7885809B2 (enExample)
EP (1) EP1872363B1 (enExample)
JP (1) JP4963498B2 (enExample)
AT (1) ATE444550T1 (enExample)
DE (1) DE602006009495D1 (enExample)
WO (1) WO2006113921A1 (enExample)

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US7873514B2 (en) * 2006-08-11 2011-01-18 Ntt Docomo, Inc. Method for quantizing speech and audio through an efficient perceptually relevant search of multiple quantization patterns
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US20080243518A1 (en) * 2006-11-16 2008-10-02 Alexey Oraevsky System And Method For Compressing And Reconstructing Audio Files
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US7885819B2 (en) * 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
JP5183741B2 (ja) * 2007-08-27 2013-04-17 テレフオンアクチーボラゲット エル エム エリクソン（パブル） ノイズ補充と帯域拡張との間の遷移周波数の適合
US8576096B2 (en) * 2007-10-11 2013-11-05 Motorola Mobility Llc Apparatus and method for low complexity combinatorial coding of signals
US8209190B2 (en) * 2007-10-25 2012-06-26 Motorola Mobility, Inc. Method and apparatus for generating an enhancement layer within an audio coding system
EP2229676B1 (en) * 2007-12-31 2013-11-06 LG Electronics Inc. A method and an apparatus for processing an audio signal
US20090234642A1 (en) * 2008-03-13 2009-09-17 Motorola, Inc. Method and Apparatus for Low Complexity Combinatorial Coding of Signals
US8639519B2 (en) * 2008-04-09 2014-01-28 Motorola Mobility Llc Method and apparatus for selective signal coding based on core encoder performance
KR101360456B1 (ko) 2008-07-11 2014-02-07 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 시간 워프 활성 신호의 제공 및 이를 이용한 오디오 신호의 인코딩
EP4407610B1 (en) 2008-07-11 2025-04-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder
MY154452A (en) 2008-07-11 2015-06-15 Fraunhofer Ges Forschung An apparatus and a method for decoding an encoded audio signal
US8219408B2 (en) * 2008-12-29 2012-07-10 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
US8200496B2 (en) * 2008-12-29 2012-06-12 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
US8175888B2 (en) 2008-12-29 2012-05-08 Motorola Mobility, Inc. Enhanced layered gain factor balancing within a multiple-channel audio coding system
US8140342B2 (en) * 2008-12-29 2012-03-20 Motorola Mobility, Inc. Selective scaling mask computation based on peak detection
US8428936B2 (en) * 2010-03-05 2013-04-23 Motorola Mobility Llc Decoder for audio signal including generic audio and speech frames
US8423355B2 (en) * 2010-03-05 2013-04-16 Motorola Mobility Llc Encoder for audio signal including generic audio and speech frames
US9020818B2 (en) * 2012-03-05 2015-04-28 Malaspina Labs (Barbados) Inc. Format based speech reconstruction from noisy signals
US9129600B2 (en) 2012-09-26 2015-09-08 Google Technology Holdings LLC Method and apparatus for encoding an audio signal
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AU2014337410B2 (en) * 2013-10-18 2017-02-23 Telefonaktiebolaget L M Ericsson (Publ) Coding and decoding of spectral peak positions
WO2016142002A1 (en) 2015-03-09 2016-09-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal

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JP2874363B2 (ja) * 1991-01-30 1999-03-24 日本電気株式会社 適応符号化・復号化方式
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US6704705B1 (en) * 1998-09-04 2004-03-09 Nortel Networks Limited Perceptual audio coding

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Publication number Publication date
EP1872363B1 (en) 2009-09-30
DE602006009495D1 (de) 2009-11-12
JP2008538619A (ja) 2008-10-30
ATE444550T1 (de) 2009-10-15
US7885809B2 (en) 2011-02-08
WO2006113921A1 (en) 2006-10-26
US20060241940A1 (en) 2006-10-26
EP1872363A1 (en) 2008-01-02

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