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

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/097Determination 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/27Speech 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)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (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
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
HK04106760A HK1064196A1 (en) 1999-07-19 2002-12-30 Method and apparatus for subsampling phase spectrum information
HK06107927A HK1091583A1 (en) 1999-07-19 2006-07-14 Method and apparatus for subsampling phase spectrum information

Family Applications Before (1)

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

Family Applications After (1)

Application Number Title Priority Date Filing Date
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 (de)
EP (2) EP1204968B1 (de)
JP (2) JP4860859B2 (de)
KR (2) KR100752001B1 (de)
CN (2) CN1290077C (de)
AT (2) ATE309600T1 (de)
AU (1) AU6221600A (de)
BR (1) BRPI0012537B1 (de)
DE (2) DE60037286T2 (de)
ES (2) ES2297578T3 (de)
HK (3) HK1047816B (de)
WO (1) WO2001006492A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60128677T2 (de) * 2000-04-24 2008-03-06 Qualcomm, Inc., San Diego 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
BRPI0509108B1 (pt) * 2004-04-05 2019-11-19 Koninklijke Philips Nv método para codificar uma pluralidade de sinais de entrada, codificador para codificar uma pluralidade de sinais de entrada, método de decodificar dados, e decodificador
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
KR101019936B1 (ko) * 2005-12-02 2011-03-09 퀄컴 인코포레이티드 음성 파형의 정렬을 위한 시스템, 방법, 및 장치
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
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
RU2426179C2 (ru) * 2006-10-10 2011-08-10 Квэлкомм Инкорпорейтед Способ и устройство для кодирования и декодирования аудиосигналов
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
EP3333848B1 (de) * 2013-02-05 2019-08-21 Telefonaktiebolaget LM Ericsson (publ) Audiorahmenverlustüberbrückung
EP3353779B1 (de) 2015-09-25 2020-06-24 VoiceAge Corporation Verfahren und system zur codierung eines stereotonsignals unter verwendung von codierungsparametern eines primärkanals zur codierung eines sekundärkanals
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

Family Cites Families (28)

* 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
WO1990013112A1 (en) * 1989-04-25 1990-11-01 Kabushiki Kaisha Toshiba Voice encoder
US5263119A (en) * 1989-06-29 1993-11-16 Fujitsu Limited Gain-shape vector quantization method and apparatus
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
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
DE69232202T2 (de) 1991-06-11 2002-07-25 Qualcomm Inc Vocoder mit veraendlicher bitrate
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
US6219637B1 (en) * 1996-07-30 2001-04-17 Bristish Telecommunications Public Limited Company Speech coding/decoding using phase spectrum corresponding to a transfer function having at least one pole outside the unit circle
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
US6493664B1 (en) * 1999-04-05 2002-12-10 Hughes Electronics Corporation Spectral magnitude modeling and quantization in a frequency domain interpolative speech codec system

Also Published As

Publication number Publication date
KR100754580B1 (ko) 2007-09-05
HK1047816B (zh) 2007-03-16
AU6221600A (en) 2001-02-05
KR20070051950A (ko) 2007-05-18
EP1204968B1 (de) 2005-11-09
ES2297578T3 (es) 2008-05-01
ATE309600T1 (de) 2005-11-15
ES2256022T3 (es) 2006-07-16
EP1617416A2 (de) 2006-01-18
US6678649B2 (en) 2004-01-13
WO2001006492A1 (en) 2001-01-25
DE60023913D1 (de) 2005-12-15
KR20020013966A (ko) 2002-02-21
DE60023913T2 (de) 2006-08-10
BR0012537A (pt) 2002-11-26
EP1617416B1 (de) 2007-11-28
CN1290077C (zh) 2006-12-13
DE60037286D1 (de) 2008-01-10
US20050119880A1 (en) 2005-06-02
CN1375095A (zh) 2002-10-16
DE60037286T2 (de) 2008-10-09
JP4861271B2 (ja) 2012-01-25
EP1617416A3 (de) 2006-05-03
HK1047816A1 (en) 2003-03-07
ATE379832T1 (de) 2007-12-15
JP4860859B2 (ja) 2012-01-25
BRPI0012537B1 (pt) 2016-06-21
HK1091583A1 (en) 2007-01-19
EP1204968A1 (de) 2002-05-15
CN1279510C (zh) 2006-10-11
US7085712B2 (en) 2006-08-01
US20020095283A1 (en) 2002-07-18
KR100752001B1 (ko) 2007-08-28
JP2008040509A (ja) 2008-02-21
CN1510660A (zh) 2004-07-07
JP2003517157A (ja) 2003-05-20
US6397175B1 (en) 2002-05-28

Similar Documents

Publication Publication Date Title
HK1091583A1 (en) Method and apparatus for subsampling phase spectrum information
CA2275266A1 (en) Speech coder and speech decoder
EP1001568A3 (de) Verfahren und Vorrichtung zur Erzeugung komplexer Verschlüsselungskodesequenzen
HK1017472A1 (en) Sound source vector generator and method for generating a sound source vector.
EP1039442A3 (de) Verfahren und Vorrichtung zur Wellenformkomprimierung und Erzeugung
AU3356997A (en) Fencing of cardiac muscles
EP0828365A3 (de) Mehrträgermodulation mit komplementären Koden und Amplitudenmodulation
DE69715426T2 (de) Verfahren und vorrichtung zur bilddekodierung
NO993820L (no) Anordning og fremgangsmÕte for Õ frembringe kodede höyfrekvenssignaler
HUP0102620A3 (en) Process for generating electric energy, steam and carbon dioxide from hydrocarbon feedstock
HK1045868A1 (zh) 小型水力發電裝置
GB2312253B (en) Method for generating electric power using a wave force
TW346701B (en) Power converter apparatus
GB2357198A (en) Method and device for generating voltage peaks in an electrostatic preciptator
IL135476A0 (en) Method and apparatus for the generation of frequency hopping sequences
ZA966401B (en) Method and apparatus for generating and encoding line spectral square roots.
PL329688A1 (en) Electric winding carrier form and method of producing an anti-glow protection
HK1039000B (zh) 擴散碼發生器,碼分多址通信設備及其擴散碼生成方法
ZA971176B (en) Process for preparing peroxidic perfluoropolyoxyalkylenes.
MXPA01008928A (es) Aparato codificador de video y aparato decodificador de video.
GB9706872D0 (en) Apparatus for and method of generating /n-shifted n-differential encoded phase shift keying modulation signals
WO2002071395A3 (en) Apparatus for coding scaling factors in an audio coder
ZA99519B (en) Clamping apparatus for turbine generator coil windings.
EP1094592A3 (de) Verfahren zur Ausgangsspannungsbegrenzung für einen spannungs/frequenzgeführten Umrichter mit Zwischenkreis und einen Umrichter
RU97111335A (ru) Способ шифрования двоичной информации