HK1064196A1 - Method and apparatus for subsampling phase spectrum information - Google Patents

Method and apparatus for subsampling phase spectrum information

Info

Publication number
HK1064196A1
HK1064196A1 HK04106760A HK04106760A HK1064196A1 HK 1064196 A1 HK1064196 A1 HK 1064196A1 HK 04106760 A HK04106760 A HK 04106760A HK 04106760 A HK04106760 A HK 04106760A HK 1064196 A1 HK1064196 A1 HK 1064196A1
Authority
HK
Hong Kong
Prior art keywords
phase
prototype waveform
prototype
vector
representatives
Prior art date
Application number
HK04106760A
Other languages
English (en)
Inventor
Sharath Manjunath
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
Publication of HK1064196A1 publication Critical patent/HK1064196A1/xx

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)
HK04106760A 1999-07-19 2002-12-30 Method and apparatus for subsampling phase spectrum information HK1064196A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/356,491 US6397175B1 (en) 1999-07-19 1999-07-19 Method and apparatus for subsampling phase spectrum information
HK02109401.2A HK1047816B (zh) 1999-07-19 2002-12-30 用來對相位譜信息進行子抽樣的方法和設備

Publications (1)

Publication Number Publication Date
HK1064196A1 true HK1064196A1 (en) 2005-01-21

Family

ID=23401657

Family Applications (3)

Application Number Title Priority Date Filing Date
HK04106760A HK1064196A1 (en) 1999-07-19 2002-12-30 Method and apparatus for subsampling phase spectrum information
HK02109401.2A HK1047816B (zh) 1999-07-19 2002-12-30 用來對相位譜信息進行子抽樣的方法和設備
HK06107927A HK1091583A1 (en) 1999-07-19 2006-07-14 Method and apparatus for subsampling phase spectrum information

Family Applications After (2)

Application Number Title Priority Date Filing Date
HK02109401.2A HK1047816B (zh) 1999-07-19 2002-12-30 用來對相位譜信息進行子抽樣的方法和設備
HK06107927A HK1091583A1 (en) 1999-07-19 2006-07-14 Method and apparatus for subsampling phase spectrum information

Country Status (12)

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

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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 (en) * 2004-04-05 2023-03-29 Koninklijke Philips N.V. Method of encoding left and right audio input signals, corresponding encoder, decoder and computer program product
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 (en) * 2012-02-27 2013-08-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Phase coherence control for harmonic signals in perceptual 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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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 (en) * 1989-04-25 1996-11-13 Kabushiki Kaisha Toshiba Voice encoder
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 (es) 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
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US5903866A (en) * 1997-03-10 1999-05-11 Lucent Technologies Inc. Waveform interpolation speech coding using splines
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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
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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 (en) 2005-11-09
DE60037286T2 (de) 2008-10-09
ATE309600T1 (de) 2005-11-15
EP1617416A3 (en) 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 (en) 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
DE60023913D1 (de) 2005-12-15
US6678649B2 (en) 2004-01-13
JP4861271B2 (ja) 2012-01-25
CN1510660A (zh) 2004-07-07
EP1204968A1 (en) 2002-05-15
EP1617416A2 (en) 2006-01-18
ES2256022T3 (es) 2006-07-16

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