DE60023913D1 - Verfahren und vorrichtung zur unterabtastung der im phasenspektrum erhaltenen information - Google Patents

Verfahren und vorrichtung zur unterabtastung der im phasenspektrum erhaltenen information

Info

Publication number
DE60023913D1
DE60023913D1 DE60023913T DE60023913T DE60023913D1 DE 60023913 D1 DE60023913 D1 DE 60023913D1 DE 60023913 T DE60023913 T DE 60023913T DE 60023913 T DE60023913 T DE 60023913T DE 60023913 D1 DE60023913 D1 DE 60023913D1
Authority
DE
Germany
Prior art keywords
phase
prototype waveform
prototype
vector
representatives
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE60023913T
Other languages
English (en)
Other versions
DE60023913T2 (de
Inventor
Sharath Manjunath
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of DE60023913D1 publication Critical patent/DE60023913D1/de
Publication of DE60023913T2 publication Critical patent/DE60023913T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • G10L19/04—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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/097—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using prototype waveform decomposition or prototype waveform interpolative [PWI] coders
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/27—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the analysis technique

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
DE60023913T 1999-07-19 2000-07-18 Verfahren und vorrichtung zur unterabtastung der im phasenspektrum erhaltenen information Expired - Lifetime DE60023913T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US356491 1999-07-19
US09/356,491 US6397175B1 (en) 1999-07-19 1999-07-19 Method and apparatus for subsampling phase spectrum information
PCT/US2000/019601 WO2001006492A1 (en) 1999-07-19 2000-07-18 Method and apparatus for subsampling phase spectrum information

Publications (2)

Publication Number Publication Date
DE60023913D1 true DE60023913D1 (de) 2005-12-15
DE60023913T2 DE60023913T2 (de) 2006-08-10

Family

ID=23401657

Family Applications (2)

Application Number Title Priority Date Filing Date
DE60023913T Expired - Lifetime DE60023913T2 (de) 1999-07-19 2000-07-18 Verfahren und vorrichtung zur unterabtastung der im phasenspektrum erhaltenen information
DE60037286T Expired - Lifetime DE60037286T2 (de) 1999-07-19 2000-07-18 Verfahren und Vorrichtung zur Unterabtastung der im Phasenspektrum erhaltenen Information

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE60037286T Expired - Lifetime DE60037286T2 (de) 1999-07-19 2000-07-18 Verfahren und Vorrichtung zur Unterabtastung der im Phasenspektrum erhaltenen Information

Country Status (12)

Country Link
US (3) US6397175B1 (de)
EP (2) EP1617416B1 (de)
JP (2) JP4860859B2 (de)
KR (2) KR100752001B1 (de)
CN (2) CN1279510C (de)
AT (2) ATE309600T1 (de)
AU (1) AU6221600A (de)
BR (1) BRPI0012537B1 (de)
DE (2) DE60023913T2 (de)
ES (2) ES2256022T3 (de)
HK (3) HK1064196A1 (de)
WO (1) WO2001006492A1 (de)

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ATE420432T1 (de) * 2000-04-24 2009-01-15 Qualcomm Inc Verfahren und vorrichtung zur prädiktiven quantisierung von stimmhaften sprachsignalen
JP4178319B2 (ja) * 2002-09-13 2008-11-12 インターナショナル・ビジネス・マシーンズ・コーポレーション 音声処理におけるフェーズ・アライメント
US6789058B2 (en) * 2002-10-15 2004-09-07 Mindspeed Technologies, Inc. Complexity resource manager for multi-channel speech processing
US7376553B2 (en) * 2003-07-08 2008-05-20 Robert Patel Quinn Fractal harmonic overtone mapping of speech and musical sounds
DE602004004950T2 (de) * 2003-07-09 2007-10-31 Samsung Electronics Co., Ltd., Suwon Vorrichtung und Verfahren zum bitraten-skalierbaren Sprachkodieren und -dekodieren
EP3561810B1 (de) * 2004-04-05 2023-03-29 Koninklijke Philips N.V. Verfahren zum codieren von linken und rechten audioeingangssignalen, entsprechender codierer, decodierer und computerprogrammprodukt
JP4207902B2 (ja) * 2005-02-02 2009-01-14 ヤマハ株式会社 音声合成装置およびプログラム
TWI358056B (en) * 2005-12-02 2012-02-11 Qualcomm Inc Systems, methods, and apparatus for frequency-doma
US8346544B2 (en) * 2006-01-20 2013-01-01 Qualcomm Incorporated Selection of encoding modes and/or encoding rates for speech compression with closed loop re-decision
US8032369B2 (en) * 2006-01-20 2011-10-04 Qualcomm Incorporated Arbitrary average data rates for variable rate coders
US8090573B2 (en) * 2006-01-20 2012-01-03 Qualcomm Incorporated Selection of encoding modes and/or encoding rates for speech compression with open loop re-decision
WO2008045846A1 (en) * 2006-10-10 2008-04-17 Qualcomm Incorporated Method and apparatus for encoding and decoding audio signals
KR20090122143A (ko) * 2008-05-23 2009-11-26 엘지전자 주식회사 오디오 신호 처리 방법 및 장치
EP2631906A1 (de) * 2012-02-27 2013-08-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Phasenkoherenzsteuerung für harmonische Signale in hörbaren Audio-Codecs
HUE045991T2 (hu) * 2013-02-05 2020-01-28 Ericsson Telefon Ab L M Hangkeret-elvesztés elrejtése
ES2955962T3 (es) 2015-09-25 2023-12-11 Voiceage Corp Método y sistema que utiliza una diferencia de correlación a largo plazo entre los canales izquierdo y derecho para mezcla descendente en el dominio del tiempo de una señal de sonido estéreo en canales primarios y secundarios
CN107424616B (zh) * 2017-08-21 2020-09-11 广东工业大学 一种相位谱去除掩模的方法与装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5067158A (en) * 1985-06-11 1991-11-19 Texas Instruments Incorporated Linear predictive residual representation via non-iterative spectral reconstruction
US4901307A (en) 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
US5023910A (en) * 1988-04-08 1991-06-11 At&T Bell Laboratories Vector quantization in a harmonic speech coding arrangement
EP0422232B1 (de) * 1989-04-25 1996-11-13 Kabushiki Kaisha Toshiba Stimmenkodierer
JPH0332228A (ja) * 1989-06-29 1991-02-12 Fujitsu Ltd ゲイン―シェイプ・ベクトル量子化方式
US5263119A (en) * 1989-06-29 1993-11-16 Fujitsu Limited Gain-shape vector quantization method and apparatus
US5388181A (en) * 1990-05-29 1995-02-07 Anderson; David J. Digital audio compression system
US5103459B1 (en) 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
ES2225321T3 (es) 1991-06-11 2005-03-16 Qualcomm Incorporated Aparaato y procedimiento para el enmascaramiento de errores en tramas de datos.
US5884253A (en) 1992-04-09 1999-03-16 Lucent Technologies, Inc. Prototype waveform speech coding with interpolation of pitch, pitch-period waveforms, and synthesis filter
JPH0793000A (ja) * 1993-09-27 1995-04-07 Mitsubishi Electric Corp 音声符号化装置
US5517595A (en) 1994-02-08 1996-05-14 At&T Corp. Decomposition in noise and periodic signal waveforms in waveform interpolation
US5784532A (en) 1994-02-16 1998-07-21 Qualcomm Incorporated Application specific integrated circuit (ASIC) for performing rapid speech compression in a mobile telephone system
TW271524B (de) 1994-08-05 1996-03-01 Qualcomm Inc
JPH08123494A (ja) * 1994-10-28 1996-05-17 Mitsubishi Electric Corp 音声符号化装置、音声復号化装置、音声符号化復号化方法およびこれらに使用可能な位相振幅特性導出装置
US5692098A (en) * 1995-03-30 1997-11-25 Harris Real-time Mozer phase recoding using a neural-network for speech compression
IT1277194B1 (it) 1995-06-28 1997-11-05 Alcatel Italia Metodo e relativi apparati di codifica e di decodifica di un segnale vocale campionato
US5701391A (en) * 1995-10-31 1997-12-23 Motorola, Inc. Method and system for compressing a speech signal using envelope modulation
WO1998005029A1 (en) * 1996-07-30 1998-02-05 British Telecommunications Public Limited Company Speech coding
US5903866A (en) * 1997-03-10 1999-05-11 Lucent Technologies Inc. Waveform interpolation speech coding using splines
JPH11224099A (ja) * 1998-02-06 1999-08-17 Sony Corp 位相量子化装置及び方法
EP0987680B1 (de) * 1998-09-17 2008-07-16 BRITISH TELECOMMUNICATIONS public limited company Audiosignalverarbeitung
US6266644B1 (en) * 1998-09-26 2001-07-24 Liquid Audio, Inc. Audio encoding apparatus and methods
US6754630B2 (en) 1998-11-13 2004-06-22 Qualcomm, Inc. Synthesis of speech from pitch prototype waveforms by time-synchronous waveform interpolation
US6640209B1 (en) * 1999-02-26 2003-10-28 Qualcomm Incorporated Closed-loop multimode mixed-domain linear prediction (MDLP) speech coder
US6449592B1 (en) * 1999-02-26 2002-09-10 Qualcomm Incorporated Method and apparatus for tracking the phase of a quasi-periodic signal
US6138089A (en) * 1999-03-10 2000-10-24 Infolio, Inc. Apparatus system and method for speech compression and decompression
AU4072400A (en) * 1999-04-05 2000-10-23 Hughes Electronics Corporation A voicing measure as an estimate of signal periodicity for frequency domain interpolative speech codec system

Also Published As

Publication number Publication date
ATE379832T1 (de) 2007-12-15
BRPI0012537B1 (pt) 2016-06-21
US20050119880A1 (en) 2005-06-02
CN1375095A (zh) 2002-10-16
JP2003517157A (ja) 2003-05-20
US7085712B2 (en) 2006-08-01
CN1279510C (zh) 2006-10-11
DE60037286D1 (de) 2008-01-10
HK1047816A1 (en) 2003-03-07
EP1204968B1 (de) 2005-11-09
DE60037286T2 (de) 2008-10-09
HK1064196A1 (en) 2005-01-21
ATE309600T1 (de) 2005-11-15
EP1617416A3 (de) 2006-05-03
KR100754580B1 (ko) 2007-09-05
US20020095283A1 (en) 2002-07-18
WO2001006492A1 (en) 2001-01-25
HK1047816B (zh) 2007-03-16
HK1091583A1 (en) 2007-01-19
KR100752001B1 (ko) 2007-08-28
BR0012537A (pt) 2002-11-26
KR20070051950A (ko) 2007-05-18
KR20020013966A (ko) 2002-02-21
ES2297578T3 (es) 2008-05-01
EP1617416B1 (de) 2007-11-28
US6397175B1 (en) 2002-05-28
DE60023913T2 (de) 2006-08-10
CN1290077C (zh) 2006-12-13
AU6221600A (en) 2001-02-05
JP4860859B2 (ja) 2012-01-25
JP2008040509A (ja) 2008-02-21
US6678649B2 (en) 2004-01-13
JP4861271B2 (ja) 2012-01-25
CN1510660A (zh) 2004-07-07
EP1204968A1 (de) 2002-05-15
EP1617416A2 (de) 2006-01-18
ES2256022T3 (es) 2006-07-16

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Legal Events

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8364 No opposition during term of opposition