DE602006009495D1 - Quantisierung von parametern zur sprach- und audiokodierung mittels teilinformationen über atypische untersequenzen - Google Patents

Quantisierung von parametern zur sprach- und audiokodierung mittels teilinformationen über atypische untersequenzen

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Publication number
DE602006009495D1
DE602006009495D1 DE602006009495T DE602006009495T DE602006009495D1 DE 602006009495 D1 DE602006009495 D1 DE 602006009495D1 DE 602006009495 T DE602006009495 T DE 602006009495T DE 602006009495 T DE602006009495 T DE 602006009495T DE 602006009495 D1 DE602006009495 D1 DE 602006009495D1
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English (en)
Inventor
Sean A Ramprashad
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NTT Docomo Inc
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NTT Docomo Inc
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Publication of DE602006009495D1 publication Critical patent/DE602006009495D1/de
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Classifications

    • 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

Landscapes

  • 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)
DE602006009495T 2005-04-20 2006-04-20 Quantisierung von parametern zur sprach- und audiokodierung mittels teilinformationen über atypische untersequenzen Active DE602006009495D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US67340905P 2005-04-20 2005-04-20
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

Publications (1)

Publication Number Publication Date
DE602006009495D1 true DE602006009495D1 (de) 2009-11-12

Family

ID=36658834

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006009495T Active DE602006009495D1 (de) 2005-04-20 2006-04-20 Quantisierung von parametern zur sprach- und audiokodierung mittels teilinformationen über atypische untersequenzen

Country Status (6)

Country Link
US (1) US7885809B2 (de)
EP (1) EP1872363B1 (de)
JP (1) JP4963498B2 (de)
AT (1) ATE444550T1 (de)
DE (1) DE602006009495D1 (de)
WO (1) WO2006113921A1 (de)

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CN101116136B (zh) * 2005-02-10 2011-05-18 皇家飞利浦电子股份有限公司 声音合成的装置和方法
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
US7461106B2 (en) 2006-09-12 2008-12-02 Motorola, Inc. Apparatus and method for low complexity combinatorial coding of signals
US20080243518A1 (en) * 2006-11-16 2008-10-02 Alexey Oraevsky System And Method For Compressing And Reconstructing Audio Files
ES2474915T3 (es) * 2006-12-13 2014-07-09 Panasonic Intellectual Property Corporation Of America Dispositivo de codificación, dispositivo de decodificación y métodos correspondientes
JPWO2008072733A1 (ja) * 2006-12-15 2010-04-02 パナソニック株式会社 符号化装置および符号化方法
US7885819B2 (en) * 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
PT2571024E (pt) * 2007-08-27 2014-12-23 Ericsson Telefon Ab L M Frequência de transição adaptativa entre preenchimento de ruído e extensão da largura de banda
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 (de) * 2007-12-31 2013-11-06 LG Electronics Inc. Verfahren und vorrichtung zur verarbeitung eines tonsignals
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
AU2009267459B2 (en) * 2008-07-11 2014-01-23 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder, methods for encoding and decoding an audio signal, audio stream and computer program
CN102150201B (zh) * 2008-07-11 2013-04-17 弗劳恩霍夫应用研究促进协会 提供时间扭曲激活信号以及使用该时间扭曲激活信号对音频信号编码
MY154452A (en) 2008-07-11 2015-06-15 Fraunhofer Ges Forschung An apparatus and a method for decoding an encoded audio signal
US8140342B2 (en) * 2008-12-29 2012-03-20 Motorola Mobility, Inc. Selective scaling mask computation based on peak detection
US8175888B2 (en) 2008-12-29 2012-05-08 Motorola Mobility, Inc. Enhanced layered gain factor balancing within a multiple-channel audio coding system
US8200496B2 (en) * 2008-12-29 2012-06-12 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed 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
US8423355B2 (en) * 2010-03-05 2013-04-16 Motorola Mobility Llc Encoder for audio signal including generic audio and speech frames
US8428936B2 (en) * 2010-03-05 2013-04-23 Motorola Mobility Llc Decoder 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
BR112015025009B1 (pt) 2013-04-05 2021-12-21 Dolby International Ab Unidades de quantização e quantização inversa, codificador e decodificador, métodos para quantizar e dequantizar
ES2638201T3 (es) * 2013-10-18 2017-10-19 Telefonaktiebolaget Lm Ericsson (Publ) Codificación de las posiciones de los picos espectrales
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
US5353375A (en) * 1991-07-31 1994-10-04 Matsushita Electric Industrial Co., Ltd. Digital audio signal coding method through allocation of quantization bits to sub-band samples split from the audio signal
US5394508A (en) * 1992-01-17 1995-02-28 Massachusetts Institute Of Technology Method and apparatus for encoding decoding and compression of audio-type data
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CA2135415A1 (en) * 1993-12-15 1995-06-16 Sean Matthew Dorward Device and method for efficient utilization of allocated transmission medium bandwidth
KR960012475B1 (ko) * 1994-01-18 1996-09-20 대우전자 주식회사 디지탈 오디오 부호화장치의 채널별 비트 할당 장치
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JP3297238B2 (ja) * 1995-01-20 2002-07-02 大宇電子株式會▲社▼ 適応的符号化システム及びビット割当方法
US6704705B1 (en) * 1998-09-04 2004-03-09 Nortel Networks Limited Perceptual audio coding

Also Published As

Publication number Publication date
WO2006113921A1 (en) 2006-10-26
JP4963498B2 (ja) 2012-06-27
ATE444550T1 (de) 2009-10-15
US7885809B2 (en) 2011-02-08
EP1872363B1 (de) 2009-09-30
JP2008538619A (ja) 2008-10-30
EP1872363A1 (de) 2008-01-02
US20060241940A1 (en) 2006-10-26

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