DE69620967D1 - Synthese von Sprachsignalen in Abwesenheit kodierter Parameter - Google Patents

Synthese von Sprachsignalen in Abwesenheit kodierter Parameter

Info

Publication number
DE69620967D1
DE69620967D1 DE69620967T DE69620967T DE69620967D1 DE 69620967 D1 DE69620967 D1 DE 69620967D1 DE 69620967 T DE69620967 T DE 69620967T DE 69620967 T DE69620967 T DE 69620967T DE 69620967 D1 DE69620967 D1 DE 69620967D1
Authority
DE
Germany
Prior art keywords
speech
tpc
synthesis
absence
term
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
DE69620967T
Other languages
English (en)
Other versions
DE69620967T2 (de
Inventor
Juin-Hwey Chen
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.)
AT&T Corp
Original Assignee
AT&T Corp
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 AT&T Corp filed Critical AT&T Corp
Application granted granted Critical
Publication of DE69620967D1 publication Critical patent/DE69620967D1/de
Publication of DE69620967T2 publication Critical patent/DE69620967T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/0212—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 using orthogonal transformation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/002—Dynamic bit allocation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L2019/0001—Codebooks
    • G10L2019/0011—Long term prediction filters, i.e. pitch estimation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L2019/0001—Codebooks
    • G10L2019/0013—Codebook search algorithms
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/24—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being the cepstrum
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
DE69620967T 1995-09-19 1996-09-17 Synthese von Sprachsignalen in Abwesenheit kodierter Parameter Expired - Lifetime DE69620967T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US53078095A 1995-09-19 1995-09-19

Publications (2)

Publication Number Publication Date
DE69620967D1 true DE69620967D1 (de) 2002-06-06
DE69620967T2 DE69620967T2 (de) 2002-11-07

Family

ID=24114940

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69620967T Expired - Lifetime DE69620967T2 (de) 1995-09-19 1996-09-17 Synthese von Sprachsignalen in Abwesenheit kodierter Parameter

Country Status (6)

Country Link
US (1) US6014621A (de)
EP (1) EP0764939B1 (de)
JP (1) JPH09152898A (de)
CA (1) CA2185745C (de)
DE (1) DE69620967T2 (de)
MX (1) MX9604160A (de)

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SE519563C2 (sv) * 1998-09-16 2003-03-11 Ericsson Telefon Ab L M Förfarande och kodare för linjär prediktiv analys-genom- synteskodning
US6782360B1 (en) * 1999-09-22 2004-08-24 Mindspeed Technologies, Inc. Gain quantization for a CELP speech coder
US6732070B1 (en) * 2000-02-16 2004-05-04 Nokia Mobile Phones, Ltd. Wideband speech codec using a higher sampling rate in analysis and synthesis filtering than in excitation searching
US6615169B1 (en) * 2000-10-18 2003-09-02 Nokia Corporation High frequency enhancement layer coding in wideband speech codec
US7113522B2 (en) * 2001-01-24 2006-09-26 Qualcomm, Incorporated Enhanced conversion of wideband signals to narrowband signals
US20030028386A1 (en) * 2001-04-02 2003-02-06 Zinser Richard L. Compressed domain universal transcoder
AUPR433901A0 (en) * 2001-04-10 2001-05-17 Lake Technology Limited High frequency signal construction method
EP1298646B1 (de) * 2001-10-01 2006-01-11 Koninklijke KPN N.V. Verbessertes Verfahren zur Ermittlung der Qualität eines Sprachsignals
WO2003017255A1 (en) * 2001-08-17 2003-02-27 Broadcom Corporation Bit error concealment methods for speech coding
US7512535B2 (en) * 2001-10-03 2009-03-31 Broadcom Corporation Adaptive postfiltering methods and systems for decoding speech
US7752037B2 (en) * 2002-02-06 2010-07-06 Broadcom Corporation Pitch extraction methods and systems for speech coding using sub-multiple time lag extraction
US7447631B2 (en) * 2002-06-17 2008-11-04 Dolby Laboratories Licensing Corporation Audio coding system using spectral hole filling
CA2392640A1 (en) * 2002-07-05 2004-01-05 Voiceage Corporation A method and device for efficient in-based dim-and-burst signaling and half-rate max operation in variable bit-rate wideband speech coding for cdma wireless systems
US20090299738A1 (en) * 2006-03-31 2009-12-03 Matsushita Electric Industrial Co., Ltd. Vector quantizing device, vector dequantizing device, vector quantizing method, and vector dequantizing method
US8392176B2 (en) * 2006-04-10 2013-03-05 Qualcomm Incorporated Processing of excitation in audio coding and decoding
US9159333B2 (en) 2006-06-21 2015-10-13 Samsung Electronics Co., Ltd. Method and apparatus for adaptively encoding and decoding high frequency band
FR2912249A1 (fr) * 2007-02-02 2008-08-08 France Telecom Codage/decodage perfectionnes de signaux audionumeriques.
US8392198B1 (en) * 2007-04-03 2013-03-05 Arizona Board Of Regents For And On Behalf Of Arizona State University Split-band speech compression based on loudness estimation
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
US8428957B2 (en) * 2007-08-24 2013-04-23 Qualcomm Incorporated Spectral noise shaping in audio coding based on spectral dynamics in frequency sub-bands
US20090198500A1 (en) * 2007-08-24 2009-08-06 Qualcomm Incorporated Temporal masking in audio coding based on spectral dynamics in frequency sub-bands
ATE518224T1 (de) * 2008-01-04 2011-08-15 Dolby Int Ab Audiokodierer und -dekodierer
US9117458B2 (en) * 2009-11-12 2015-08-25 Lg Electronics Inc. Apparatus for processing an audio signal and method thereof
US9626982B2 (en) 2011-02-15 2017-04-18 Voiceage Corporation Device and method for quantizing the gains of the adaptive and fixed contributions of the excitation in a CELP codec
US9076443B2 (en) * 2011-02-15 2015-07-07 Voiceage Corporation Device and method for quantizing the gains of the adaptive and fixed contributions of the excitation in a CELP codec
US9111536B2 (en) * 2011-03-07 2015-08-18 Texas Instruments Incorporated Method and system to play background music along with voice on a CDMA network
TWI473078B (zh) * 2011-08-26 2015-02-11 Univ Nat Central 音訊處理方法以及裝置
BR112016016310B1 (pt) 2014-01-14 2022-06-07 Interactive Intelligence Group, Inc Sistema para sintetizar discurso para um texto provido e método para gerar parâmetros
EP2980794A1 (de) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierer und -decodierer mit einem Frequenzdomänenprozessor und Zeitdomänenprozessor
US10571390B2 (en) * 2015-12-21 2020-02-25 The Boeing Company Composite inspection
ES2771200T3 (es) * 2016-02-17 2020-07-06 Fraunhofer Ges Forschung Postprocesador, preprocesador, codificador de audio, decodificador de audio y métodos relacionados para mejorar el procesamiento de transitorios

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US32580A (en) * 1861-06-18 Water-elevatok
US5042069A (en) * 1989-04-18 1991-08-20 Pacific Communications Sciences, Inc. Methods and apparatus for reconstructing non-quantized adaptively transformed voice signals
US5081681B1 (en) * 1989-11-30 1995-08-15 Digital Voice Systems Inc Method and apparatus for phase synthesis for speech processing
US5127053A (en) * 1990-12-24 1992-06-30 General Electric Company Low-complexity method for improving the performance of autocorrelation-based pitch detectors
KR100312664B1 (ko) * 1991-03-29 2002-12-26 소니 가부시끼 가이샤 디지탈신호부호화방법
US5450522A (en) * 1991-08-19 1995-09-12 U S West Advanced Technologies, Inc. Auditory model for parametrization of speech
JP3446216B2 (ja) * 1992-03-06 2003-09-16 ソニー株式会社 音声信号処理方法
US5327520A (en) * 1992-06-04 1994-07-05 At&T Bell Laboratories Method of use of voice message coder/decoder
JP2976701B2 (ja) * 1992-06-24 1999-11-10 日本電気株式会社 量子化ビット数割当方法
US5314457A (en) * 1993-04-08 1994-05-24 Jeutter Dean C Regenerative electrical
US5533052A (en) * 1993-10-15 1996-07-02 Comsat Corporation Adaptive predictive coding with transform domain quantization based on block size adaptation, backward adaptive power gain control, split bit-allocation and zero input response compensation
US5684920A (en) * 1994-03-17 1997-11-04 Nippon Telegraph And Telephone Acoustic signal transform coding method and decoding method having a high efficiency envelope flattening method therein

Also Published As

Publication number Publication date
CA2185745A1 (en) 1997-03-20
DE69620967T2 (de) 2002-11-07
EP0764939A3 (de) 1997-09-24
EP0764939B1 (de) 2002-05-02
JPH09152898A (ja) 1997-06-10
EP0764939A2 (de) 1997-03-26
MX9604160A (es) 1997-03-29
CA2185745C (en) 2001-02-13
US6014621A (en) 2000-01-11

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