DE3789476D1 - Digitaler Vocoder. - Google Patents

Digitaler Vocoder.

Info

Publication number
DE3789476D1
DE3789476D1 DE87307732T DE3789476T DE3789476D1 DE 3789476 D1 DE3789476 D1 DE 3789476D1 DE 87307732 T DE87307732 T DE 87307732T DE 3789476 T DE3789476 T DE 3789476T DE 3789476 D1 DE3789476 D1 DE 3789476D1
Authority
DE
Germany
Prior art keywords
pitch
harmonic
fundamental
amplitudes
harmonics
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 - Fee Related
Application number
DE87307732T
Other languages
English (en)
Other versions
DE3789476T2 (de
Inventor
Edward Charles Bronson
Walter Thornley Hartwell
Willem Bastiaan Kleijn
Dimitrios Panos Prezas
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
American Telephone and Telegraph Co 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 American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc
Publication of DE3789476D1 publication Critical patent/DE3789476D1/de
Application granted granted Critical
Publication of DE3789476T2 publication Critical patent/DE3789476T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G10L25/90—Pitch determination of speech signals
    • 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
    • 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
    • G10L19/093—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using sinusoidal excitation models

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)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Electrophonic Musical Instruments (AREA)
DE3789476T 1986-09-11 1987-09-02 Digitaler Vocoder. Expired - Fee Related DE3789476T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/906,523 US4797926A (en) 1986-09-11 1986-09-11 Digital speech vocoder

Publications (2)

Publication Number Publication Date
DE3789476D1 true DE3789476D1 (de) 1994-05-05
DE3789476T2 DE3789476T2 (de) 1994-09-15

Family

ID=25422593

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3789476T Expired - Fee Related DE3789476T2 (de) 1986-09-11 1987-09-02 Digitaler Vocoder.

Country Status (8)

Country Link
US (1) US4797926A (de)
EP (1) EP0260053B1 (de)
JP (1) JPH0833754B2 (de)
KR (1) KR960002388B1 (de)
AT (1) ATE103728T1 (de)
AU (1) AU580218B2 (de)
CA (1) CA1307345C (de)
DE (1) DE3789476T2 (de)

Families Citing this family (81)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5202953A (en) * 1987-04-08 1993-04-13 Nec Corporation Multi-pulse type coding system with correlation calculation by backward-filtering operation for multi-pulse searching
US4989250A (en) * 1988-02-19 1991-01-29 Sanyo Electric Co., Ltd. Speech synthesizing apparatus and method
US5003604A (en) * 1988-03-14 1991-03-26 Fujitsu Limited Voice coding apparatus
US5179626A (en) * 1988-04-08 1993-01-12 At&T Bell Laboratories Harmonic speech coding arrangement where a set of parameters for a continuous magnitude spectrum is determined by a speech analyzer and the parameters are used by a synthesizer to determine a spectrum which is used to determine senusoids for synthesis
US5023910A (en) * 1988-04-08 1991-06-11 At&T Bell Laboratories Vector quantization in a harmonic speech coding arrangement
US5359696A (en) * 1988-06-28 1994-10-25 Motorola Inc. Digital speech coder having improved sub-sample resolution long-term predictor
US5091946A (en) * 1988-12-23 1992-02-25 Nec Corporation Communication system capable of improving a speech quality by effectively calculating excitation multipulses
JP2903533B2 (ja) * 1989-03-22 1999-06-07 日本電気株式会社 音声符号化方式
JPH0782359B2 (ja) * 1989-04-21 1995-09-06 三菱電機株式会社 音声符号化装置、音声復号化装置及び音声符号化・復号化装置
CA2021514C (en) * 1989-09-01 1998-12-15 Yair Shoham Constrained-stochastic-excitation coding
NL8902463A (nl) * 1989-10-04 1991-05-01 Philips Nv Inrichting voor geluidsynthese.
CA2010830C (en) * 1990-02-23 1996-06-25 Jean-Pierre Adoul Dynamic codebook for efficient speech coding based on algebraic codes
US5754976A (en) * 1990-02-23 1998-05-19 Universite De Sherbrooke Algebraic codebook with signal-selected pulse amplitude/position combinations for fast coding of speech
US5701392A (en) * 1990-02-23 1997-12-23 Universite De Sherbrooke Depth-first algebraic-codebook search for fast coding of speech
JP2689739B2 (ja) * 1990-03-01 1997-12-10 日本電気株式会社 秘話装置
US5226108A (en) * 1990-09-20 1993-07-06 Digital Voice Systems, Inc. Processing a speech signal with estimated pitch
US5138661A (en) * 1990-11-13 1992-08-11 General Electric Company Linear predictive codeword excited speech synthesizer
US5293449A (en) * 1990-11-23 1994-03-08 Comsat Corporation Analysis-by-synthesis 2,4 kbps linear predictive speech codec
US5226084A (en) * 1990-12-05 1993-07-06 Digital Voice Systems, Inc. Methods for speech quantization and error correction
US5630011A (en) * 1990-12-05 1997-05-13 Digital Voice Systems, Inc. Quantization of harmonic amplitudes representing speech
US5450522A (en) * 1991-08-19 1995-09-12 U S West Advanced Technologies, Inc. Auditory model for parametrization of speech
US5189701A (en) * 1991-10-25 1993-02-23 Micom Communications Corp. Voice coder/decoder and methods of coding/decoding
US5351338A (en) * 1992-07-06 1994-09-27 Telefonaktiebolaget L M Ericsson Time variable spectral analysis based on interpolation for speech coding
US5517511A (en) * 1992-11-30 1996-05-14 Digital Voice Systems, Inc. Digital transmission of acoustic signals over a noisy communication channel
US5832436A (en) * 1992-12-11 1998-11-03 Industrial Technology Research Institute System architecture and method for linear interpolation implementation
US5448679A (en) * 1992-12-30 1995-09-05 International Business Machines Corporation Method and system for speech data compression and regeneration
US5479559A (en) * 1993-05-28 1995-12-26 Motorola, Inc. Excitation synchronous time encoding vocoder and method
CA2140779C (en) * 1993-05-31 2005-09-20 Kyoya Tsutsui Method, apparatus and recording medium for coding of separated tone and noise characteristics spectral components of an acoustic signal
RU2131169C1 (ru) * 1993-06-30 1999-05-27 Сони Корпорейшн Устройство кодирования сигнала, устройство декодирования сигнала, носитель записи и способ кодирования и декодирования
JP2906968B2 (ja) * 1993-12-10 1999-06-21 日本電気株式会社 マルチパルス符号化方法とその装置並びに分析器及び合成器
ES2224121T3 (es) * 1994-04-01 2005-03-01 Sony Corporation Metodo y dispositivo para codificar y descodificar informacion.
US5715365A (en) * 1994-04-04 1998-02-03 Digital Voice Systems, Inc. Estimation of excitation parameters
US5787387A (en) * 1994-07-11 1998-07-28 Voxware, Inc. Harmonic adaptive speech coding method and system
JP3528258B2 (ja) * 1994-08-23 2004-05-17 ソニー株式会社 符号化音声信号の復号化方法及び装置
AU696092B2 (en) * 1995-01-12 1998-09-03 Digital Voice Systems, Inc. Estimation of excitation parameters
US5754974A (en) * 1995-02-22 1998-05-19 Digital Voice Systems, Inc Spectral magnitude representation for multi-band excitation speech coders
US5701390A (en) * 1995-02-22 1997-12-23 Digital Voice Systems, Inc. Synthesis of MBE-based coded speech using regenerated phase information
JPH08254993A (ja) * 1995-03-16 1996-10-01 Toshiba Corp 音声合成装置
US5717819A (en) * 1995-04-28 1998-02-10 Motorola, Inc. Methods and apparatus for encoding/decoding speech signals at low bit rates
US5774837A (en) * 1995-09-13 1998-06-30 Voxware, Inc. Speech coding system and method using voicing probability determination
JP2861889B2 (ja) * 1995-10-18 1999-02-24 日本電気株式会社 音声パケット伝送システム
JP4005154B2 (ja) * 1995-10-26 2007-11-07 ソニー株式会社 音声復号化方法及び装置
JP3707116B2 (ja) 1995-10-26 2005-10-19 ソニー株式会社 音声復号化方法及び装置
JP2778567B2 (ja) * 1995-12-23 1998-07-23 日本電気株式会社 信号符号化装置及び方法
US5794199A (en) * 1996-01-29 1998-08-11 Texas Instruments Incorporated Method and system for improved discontinuous speech transmission
JP3687181B2 (ja) * 1996-04-15 2005-08-24 ソニー株式会社 有声音／無声音判定方法及び装置、並びに音声符号化方法
US5778337A (en) * 1996-05-06 1998-07-07 Advanced Micro Devices, Inc. Dispersed impulse generator system and method for efficiently computing an excitation signal in a speech production model
JPH10149199A (ja) * 1996-11-19 1998-06-02 Sony Corp 音声符号化方法、音声復号化方法、音声符号化装置、音声復号化装置、電話装置、ピッチ変換方法及び媒体
US6131084A (en) * 1997-03-14 2000-10-10 Digital Voice Systems, Inc. Dual subframe quantization of spectral magnitudes
US6161089A (en) * 1997-03-14 2000-12-12 Digital Voice Systems, Inc. Multi-subframe quantization of spectral parameters
JP2001500284A (ja) * 1997-07-11 2001-01-09 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 改良した調波音声符号器を備えた送信機
CN1145925C (zh) * 1997-07-11 2004-04-14 皇家菲利浦电子有限公司 具有改进语音编码器和解码器的发射机
US6029133A (en) * 1997-09-15 2000-02-22 Tritech Microelectronics, Ltd. Pitch synchronized sinusoidal synthesizer
JP3502247B2 (ja) * 1997-10-28 2004-03-02 ヤマハ株式会社 音声変換装置
US6199037B1 (en) 1997-12-04 2001-03-06 Digital Voice Systems, Inc. Joint quantization of speech subframe voicing metrics and fundamental frequencies
DE69932786T2 (de) * 1998-05-11 2007-08-16 Koninklijke Philips Electronics N.V. Tonhöhenerkennung
WO1999059139A2 (en) * 1998-05-11 1999-11-18 Koninklijke Philips Electronics N.V. Speech coding based on determining a noise contribution from a phase change
US6230130B1 (en) 1998-05-18 2001-05-08 U.S. Philips Corporation Scalable mixing for speech streaming
TW430778B (en) * 1998-06-15 2001-04-21 Yamaha Corp Voice converter with extraction and modification of attribute data
US6959274B1 (en) * 1999-09-22 2005-10-25 Mindspeed Technologies, Inc. Fixed rate speech compression system and method
GB2357231B (en) * 1999-10-01 2004-06-09 Ibm Method and system for encoding and decoding speech signals
US6725190B1 (en) * 1999-11-02 2004-04-20 International Business Machines Corporation Method and system for speech reconstruction from speech recognition features, pitch and voicing with resampled basis functions providing reconstruction of the spectral envelope
US6377916B1 (en) 1999-11-29 2002-04-23 Digital Voice Systems, Inc. Multiband harmonic transform coder
US7212639B1 (en) * 1999-12-30 2007-05-01 The Charles Stark Draper Laboratory Electro-larynx
JP2007510524A (ja) * 2003-11-12 2007-04-26 ファセット・テクノロジーズ・エルエルシー 穿刺装置及びマルチランセットカートリッジ
EP1569200A1 (de) * 2004-02-26 2005-08-31 Sony International (Europe) GmbH Sprachdetektion in digitalen Audiodaten
KR100608062B1 (ko) * 2004-08-04 2006-08-02 삼성전자주식회사 오디오 데이터의 고주파수 복원 방법 및 그 장치
KR100790110B1 (ko) * 2006-03-18 2008-01-02 삼성전자주식회사 모폴로지 기반의 음성 신호 코덱 방법 및 장치
KR100900438B1 (ko) * 2006-04-25 2009-06-01 삼성전자주식회사 음성 패킷 복구 장치 및 방법
KR101380170B1 (ko) * 2007-08-31 2014-04-02 삼성전자주식회사 미디어 신호 인코딩/디코딩 방법 및 장치
JP4775977B2 (ja) * 2008-03-28 2011-09-21 日立金属株式会社 シート材穿孔装置
CN102422531B (zh) * 2009-06-29 2014-09-03 三菱电机株式会社 音频信号处理装置
JP4883732B2 (ja) * 2009-10-13 2012-02-22 株式会社日立メタルプレシジョン シート材穿孔装置
CN101847404B (zh) * 2010-03-18 2012-08-22 北京天籁传音数字技术有限公司 一种实现音频变调的方法和装置
JP6053196B2 (ja) * 2012-05-23 2016-12-27 日本電信電話株式会社 符号化方法、復号方法、符号化装置、復号装置、プログラム、および記録媒体
KR20150032390A (ko) * 2013-09-16 2015-03-26 삼성전자주식회사 음성 명료도 향상을 위한 음성 신호 처리 장치 및 방법
US10847170B2 (en) 2015-06-18 2020-11-24 Qualcomm Incorporated Device and method for generating a high-band signal from non-linearly processed sub-ranges
US9837089B2 (en) * 2015-06-18 2017-12-05 Qualcomm Incorporated High-band signal generation
EP3121814A1 (de) * 2015-07-24 2017-01-25 Sound object techology S.A. in organization Verfahren und system zur zerlegung eines akustischen signals in klangobjekte, klangobjekt und dessen verwendung
CN106356055B (zh) * 2016-09-09 2019-12-10 华南理工大学 基于正弦模型的可变频语音合成系统及方法
CN113938749B (zh) * 2021-11-30 2023-05-05 北京百度网讯科技有限公司 音频数据处理方法、装置、电子设备和存储介质

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4045616A (en) * 1975-05-23 1977-08-30 Time Data Corporation Vocoder system
JPS5543554A (en) * 1978-09-25 1980-03-27 Nippon Musical Instruments Mfg Electronic musical instrument
JPS56119194A (en) * 1980-02-23 1981-09-18 Sony Corp Sound source device for electronic music instrument
JPS56125795A (en) * 1980-03-05 1981-10-02 Sony Corp Sound source for electronic music instrument
US4419544A (en) * 1982-04-26 1983-12-06 Adelman Roger A Signal processing apparatus
SE428167B (sv) * 1981-04-16 1983-06-06 Mangold Stephan Programmerbar signalbehandlingsanordning, huvudsakligen avsedd for personer med nedsatt horsel
US4631746A (en) * 1983-02-14 1986-12-23 Wang Laboratories, Inc. Compression and expansion of digitized voice signals
US4667340A (en) * 1983-04-13 1987-05-19 Texas Instruments Incorporated Voice messaging system with pitch-congruent baseband coding
US4513651A (en) * 1983-07-25 1985-04-30 Kawai Musical Instrument Mfg. Co., Ltd. Generation of anharmonic overtones in a musical instrument by additive synthesis
US4701954A (en) * 1984-03-16 1987-10-20 American Telephone And Telegraph Company, At&T Bell Laboratories Multipulse LPC speech processing arrangement
JPS6121000A (ja) * 1984-07-10 1986-01-29 日本電気株式会社 Ｃｓｍ型音声合成器
JP2759646B2 (ja) * 1985-03-18 1998-05-28 マサチユ−セツツ インステイテユ−ト オブ テクノロジ− 音響波形の処理
US4771465A (en) * 1986-09-11 1988-09-13 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech sinusoidal vocoder with transmission of only subset of harmonics

Also Published As

Publication number Publication date
AU7825487A (en) 1988-03-24
EP0260053B1 (de) 1994-03-30
AU580218B2 (en) 1989-01-05
JPS6370900A (ja) 1988-03-31
JPH0833754B2 (ja) 1996-03-29
KR880004426A (ko) 1988-06-07
CA1307345C (en) 1992-09-08
EP0260053A1 (de) 1988-03-16
US4797926A (en) 1989-01-10
ATE103728T1 (de) 1994-04-15
DE3789476T2 (de) 1994-09-15
KR960002388B1 (ko) 1996-02-16

Similar Documents

Publication Publication Date Title
ATE103728T1 (de) Digitaler vocoder.
AU575515B2 (en) Digital speech sinusoidal vocoder
MX9602391A (es) Metodo y aparato para reproducir señales de conversacion y metodo para transmitirlas.
DE3266042D1 (en) Method and apparatus for reduced redundancy digital speech processing
WO1999059139A8 (en) Speech coding based on determining a noise contribution from a phase change
TW326070B (en) The estimation method of the impulse gain for coding vocoder
TR24559A (tr) Dogrusal tahminli bir konusma kodlayicida uyari sadmesi konumlandirma yoentemi
US6219637B1 (en) Speech coding/decoding using phase spectrum corresponding to a transfer function having at least one pole outside the unit circle
CA2006487A1 (en) Communication system capable of improving a speech quality by effectively calculating excitation multipulses
Singhal et al. Optimizing LPC filter parameters for multi-pulse excitation
ITTO920982A1 (it) Procedimento e dispositivo per la quantizzazione dei guadagni dell'eccitazione in codificatori della voce basati su tecniche di analisi per sintesi
Sun et al. Phase modelling of speech excitation for low bit-rate sinusoidal transform coding
Griffin et al. A high quality 9.6 kbps speech coding system
Burnett et al. A mixed prototype waveform/CELP coder for sub 3 kbit/s
Kleijn Analysis-by-synthesis speech coding based on relaxed waveform-matching constraints.
JPH11219199A (ja) 位相検出装置及び方法、並びに音声符号化装置及び方法
Bronson et al. Harmonic coding of speech at 4.8 Kb/s
McAulay et al. Sinewave amplitude coding using line spectral frequencies
Nakhai et al. Split band CELP (SB-CELP) speech coder
Eric et al. Phase modeling and quantization for low-rate harmonic+ noise coding
Cheetham et al. Spectral envelope estimation for
Hedelin A sinusoidal LPC vocoder
Tang et al. Fixed bit-rate PWI speech coding with variable frame length
JPH05265486A (ja) 音声分析合成方法
NAKHAI et al. A hybrid speech coder based on CELP and sinusoidal coding

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: BLUMBACH, KRAMER & PARTNER, 65193 WIESBADEN

8339 Ceased/non-payment of the annual fee