NL7906413A - Keten en werkwijze voor het verwerken van spraak- signalen. - Google Patents

Keten en werkwijze voor het verwerken van spraak- signalen. Download PDF

Info

Publication number
NL7906413A
NL7906413A NL7906413A NL7906413A NL7906413A NL 7906413 A NL7906413 A NL 7906413A NL 7906413 A NL7906413 A NL 7906413A NL 7906413 A NL7906413 A NL 7906413A NL 7906413 A NL7906413 A NL 7906413A
Authority
NL
Netherlands
Prior art keywords
signals
signal
block
pitch
transform coefficient
Prior art date
Application number
NL7906413A
Other languages
English (en)
Dutch (nl)
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of NL7906413A publication Critical patent/NL7906413A/nl

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
NL7906413A 1978-08-25 1979-08-24 Keten en werkwijze voor het verwerken van spraak- signalen. NL7906413A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US93688978 1978-08-25
US05/936,889 US4184049A (en) 1978-08-25 1978-08-25 Transform speech signal coding with pitch controlled adaptive quantizing

Publications (1)

Publication Number Publication Date
NL7906413A true NL7906413A (nl) 1980-02-27

Family

ID=25469199

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7906413A NL7906413A (nl) 1978-08-25 1979-08-24 Keten en werkwijze voor het verwerken van spraak- signalen.

Country Status (8)

Country Link
US (1) US4184049A (en:Method)
JP (1) JPS5557900A (en:Method)
BE (1) BE878414A (en:Method)
DE (1) DE2934489A1 (en:Method)
FR (1) FR2434452A1 (en:Method)
GB (1) GB2030428B (en:Method)
NL (1) NL7906413A (en:Method)
SE (1) SE437578B (en:Method)

Families Citing this family (109)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1123955A (en) * 1978-03-30 1982-05-18 Tetsu Taguchi Speech analysis and synthesis apparatus
JPS5913758B2 (ja) * 1980-02-22 1984-03-31 株式会社日立製作所 音声合成方法
US4401855A (en) * 1980-11-28 1983-08-30 The Regents Of The University Of California Apparatus for the linear predictive coding of human speech
DE3171990D1 (en) * 1981-04-30 1985-10-03 Ibm Speech coding methods and apparatus for carrying out the method
EP0070948B1 (fr) * 1981-07-28 1985-07-10 International Business Machines Corporation Procédé de codage de la voix et dispositif de mise en oeuvre dudit procédé
JPS5921039B2 (ja) * 1981-11-04 1984-05-17 日本電信電話株式会社 適応予測符号化方式
USRE32580E (en) * 1981-12-01 1988-01-19 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech coder
US4472832A (en) * 1981-12-01 1984-09-18 At&T Bell Laboratories Digital speech coder
US4544919A (en) * 1982-01-03 1985-10-01 Motorola, Inc. Method and means of determining coefficients for linear predictive coding
US4470146A (en) * 1982-04-30 1984-09-04 Communications Satellite Corporation Adaptive quantizer with instantaneous error robustness
US4536886A (en) * 1982-05-03 1985-08-20 Texas Instruments Incorporated LPC pole encoding using reduced spectral shaping polynomial
JPS58196595A (ja) * 1982-05-12 1983-11-16 日本電気株式会社 パタ−ン特徴抽出装置
US4516258A (en) * 1982-06-30 1985-05-07 At&T Bell Laboratories Bit allocation generator for adaptive transform coder
CA1253255A (en) * 1983-05-16 1989-04-25 Nec Corporation System for simultaneously coding and decoding a plurality of signals
US4710891A (en) * 1983-07-27 1987-12-01 American Telephone And Telegraph Company, At&T Bell Laboratories Digital synthesis technique for pulses having predetermined time and frequency domain characteristics
JPS60196800A (ja) * 1984-03-21 1985-10-05 日本電信電話株式会社 音声信号処理方式
GB8421498D0 (en) * 1984-08-24 1984-09-26 British Telecomm Frequency domain speech coding
US4817158A (en) * 1984-10-19 1989-03-28 International Business Machines Corporation Normalization of speech signals
IT1179803B (it) * 1984-10-30 1987-09-16 Cselt Centro Studi Lab Telecom Metodo e dispositivo per la correzione di errori causati da rumore di tipo impulsivo su segnali vocali codificati con bassa velocita di ci fra e trasmessi su canali di comunicazione radio
US4790016A (en) * 1985-11-14 1988-12-06 Gte Laboratories Incorporated Adaptive method and apparatus for coding speech
US4675863A (en) * 1985-03-20 1987-06-23 International Mobile Machines Corp. Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
EP0243479A4 (en) * 1985-10-30 1989-12-13 Central Inst Deaf LANGUAGE PROCESSING ARRANGEMENT AND METHOD.
US4820059A (en) * 1985-10-30 1989-04-11 Central Institute For The Deaf Speech processing apparatus and methods
US4827517A (en) * 1985-12-26 1989-05-02 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech processor using arbitrary excitation coding
USRE34247E (en) * 1985-12-26 1993-05-11 At&T Bell Laboratories Digital speech processor using arbitrary excitation coding
US5924060A (en) * 1986-08-29 1999-07-13 Brandenburg; Karl Heinz Digital coding process for transmission or storage of acoustical signals by transforming of scanning values into spectral coefficients
US4961160A (en) * 1987-04-30 1990-10-02 Oki Electric Industry Co., Ltd. Linear predictive coding analysing apparatus and bandlimiting circuit therefor
US4926482A (en) * 1987-06-26 1990-05-15 Unisys Corp. Apparatus and method for real time data compressor
US4809334A (en) * 1987-07-09 1989-02-28 Communications Satellite Corporation Method for detection and correction of errors in speech pitch period estimates
EP0331858B1 (en) * 1988-03-08 1993-08-25 International Business Machines Corporation Multi-rate voice encoding method and device
US5023910A (en) * 1988-04-08 1991-06-11 At&T Bell Laboratories Vector quantization in a harmonic speech coding arrangement
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
EP0339589A3 (en) * 1988-04-28 1992-01-02 Sharp Kabushiki Kaisha Orthogonal transform coding system for image data
US4964166A (en) * 1988-05-26 1990-10-16 Pacific Communication Science, Inc. Adaptive transform coder having minimal bit allocation processing
US4991213A (en) * 1988-05-26 1991-02-05 Pacific Communication Sciences, Inc. Speech specific adaptive transform coder
US5216748A (en) * 1988-11-30 1993-06-01 Bull, S.A. Integrated dynamic programming circuit
JP2625998B2 (ja) * 1988-12-09 1997-07-02 沖電気工業株式会社 特徴抽出方式
US5752225A (en) * 1989-01-27 1998-05-12 Dolby Laboratories Licensing Corporation Method and apparatus for split-band encoding and split-band decoding of audio information using adaptive bit allocation to adjacent subbands
US4989246A (en) * 1989-03-22 1991-01-29 Industrial Technology Research Institute, R.O.C. Adaptive differential, pulse code modulation sound generator
US5042069A (en) * 1989-04-18 1991-08-20 Pacific Communications Sciences, Inc. Methods and apparatus for reconstructing non-quantized adaptively transformed voice signals
US5012517A (en) * 1989-04-18 1991-04-30 Pacific Communication Science, Inc. Adaptive transform coder having long term predictor
US5105464A (en) * 1989-05-18 1992-04-14 General Electric Company Means for improving the speech quality in multi-pulse excited linear predictive coding
US5115240A (en) * 1989-09-26 1992-05-19 Sony Corporation Method and apparatus for encoding voice signals divided into a plurality of frequency bands
US5307441A (en) * 1989-11-29 1994-04-26 Comsat Corporation Wear-toll quality 4.8 kbps speech codec
JP3111459B2 (ja) 1990-06-11 2000-11-20 ソニー株式会社 音声データの高能率符号化方法
JP3185214B2 (ja) * 1990-06-12 2001-07-09 日本電気株式会社 改良ｄｃｔの順変換計算装置および逆変換計算装置
JP2841765B2 (ja) * 1990-07-13 1998-12-24 日本電気株式会社 適応ビット割当て方法及び装置
US5235671A (en) * 1990-10-15 1993-08-10 Gte Laboratories Incorporated Dynamic bit allocation subband excited transform coding method and apparatus
US5206884A (en) * 1990-10-25 1993-04-27 Comsat Transform domain quantization technique for adaptive predictive coding
US5127053A (en) * 1990-12-24 1992-06-30 General Electric Company Low-complexity method for improving the performance of autocorrelation-based pitch detectors
DE4101022A1 (de) * 1991-01-16 1992-07-23 Medav Digitale Signalverarbeit Verfahren zur geschwindigkeitsvariablen wiedergabe von audiosignalen ohne spektrale veraenderung der signale
EP0495501B1 (en) * 1991-01-17 1998-07-08 Sharp Kabushiki Kaisha Image coding and decoding system using an orthogonal transform and bit allocation method suitable therefore
JP3254687B2 (ja) * 1991-02-26 2002-02-12 日本電気株式会社 音声符号化方式
US5559900A (en) * 1991-03-12 1996-09-24 Lucent Technologies Inc. Compression of signals for perceptual quality by selecting frequency bands having relatively high energy
ZA921988B (en) * 1991-03-29 1993-02-24 Sony Corp High efficiency digital data encoding and decoding apparatus
GB2257606B (en) * 1991-06-28 1995-01-18 Sony Corp Recording and/or reproducing apparatuses and signal processing methods for compressed data
AU665200B2 (en) * 1991-08-02 1995-12-21 Sony Corporation Digital encoder with dynamic quantization bit allocation
KR100263599B1 (ko) * 1991-09-02 2000-08-01 요트.게.아. 롤페즈 인코딩 시스템
US5487086A (en) * 1991-09-13 1996-01-23 Comsat Corporation Transform vector quantization for adaptive predictive coding
DE69231369T2 (de) * 1991-09-30 2001-03-29 Sony Corp., Tokio/Tokyo Verfahren und Einrichtung zur Audiodatenkompression
JP3144009B2 (ja) * 1991-12-24 2001-03-07 日本電気株式会社 音声符号復号化装置
JP3134455B2 (ja) * 1992-01-29 2001-02-13 ソニー株式会社 高能率符号化装置及び方法
JP3153933B2 (ja) * 1992-06-16 2001-04-09 ソニー株式会社 データ符号化装置及び方法並びにデータ復号化装置及び方法
JP3508146B2 (ja) * 1992-09-11 2004-03-22 ソニー株式会社 ディジタル信号符号化復号化装置、ディジタル信号符号化装置及びディジタル信号復号化装置
JP3127600B2 (ja) * 1992-09-11 2001-01-29 ソニー株式会社 ディジタル信号復号化装置及び方法
JP3343962B2 (ja) * 1992-11-11 2002-11-11 ソニー株式会社 高能率符号化方法及び装置
JP3185413B2 (ja) * 1992-11-25 2001-07-09 ソニー株式会社 直交変換演算並びに逆直交変換演算方法及びその装置、ディジタル信号符号化及び／又は復号化装置
JP3123286B2 (ja) * 1993-02-18 2001-01-09 ソニー株式会社 ディジタル信号処理装置又は方法、及び記録媒体
JP3186292B2 (ja) * 1993-02-02 2001-07-11 ソニー株式会社 高能率符号化方法及び装置
JP3123290B2 (ja) * 1993-03-09 2001-01-09 ソニー株式会社 圧縮データ記録装置及び方法、圧縮データ再生方法、記録媒体
JP3186307B2 (ja) * 1993-03-09 2001-07-11 ソニー株式会社 圧縮データ記録装置及び方法
US5590241A (en) * 1993-04-30 1996-12-31 Motorola Inc. Speech processing system and method for enhancing a speech signal in a noisy environment
JP3173218B2 (ja) * 1993-05-10 2001-06-04 ソニー株式会社 圧縮データ記録方法及び装置、圧縮データ再生方法、並びに記録媒体
US5581654A (en) * 1993-05-25 1996-12-03 Sony Corporation Method and apparatus for information encoding and decoding
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
PL173718B1 (pl) * 1993-06-30 1998-04-30 Sony Corp Sposób i urządzenie do kodowania sygnałów cyfrowych
TW272341B (en:Method) * 1993-07-16 1996-03-11 Sony Co Ltd
TW327223B (en) * 1993-09-28 1998-02-21 Sony Co Ltd Methods and apparatus for encoding an input signal broken into frequency components, methods and apparatus for decoding such encoded signal
US5546383A (en) 1993-09-30 1996-08-13 Cooley; David M. Modularly clustered radiotelephone system
US5737720A (en) * 1993-10-26 1998-04-07 Sony Corporation Low bit rate multichannel audio coding methods and apparatus using non-linear adaptive bit allocation
KR100330290B1 (ko) * 1993-11-04 2002-08-27 소니 가부시끼 가이샤 신호부호화장치,신호복호화장치,및신호부호화방법
WO1995013660A1 (fr) * 1993-11-09 1995-05-18 Sony Corporation Appareil de quantification, procede de quantification, codeur a haute efficacite, procede de codage a haute efficacite, decodeur, supports d'enregistrement et de codage a haute efficacite
US5608713A (en) * 1994-02-09 1997-03-04 Sony Corporation Bit allocation of digital audio signal blocks by non-linear processing
JP3186412B2 (ja) * 1994-04-01 2001-07-11 ソニー株式会社 情報符号化方法、情報復号化方法、及び情報伝送方法
JP3277699B2 (ja) * 1994-06-13 2002-04-22 ソニー株式会社 信号符号化方法及び装置並びに信号復号化方法及び装置
JP3250376B2 (ja) * 1994-06-13 2002-01-28 ソニー株式会社 情報符号化方法及び装置並びに情報復号化方法及び装置
JP3277705B2 (ja) 1994-07-27 2002-04-22 ソニー株式会社 情報符号化装置及び方法、並びに情報復号化装置及び方法
JP3341474B2 (ja) * 1994-07-28 2002-11-05 ソニー株式会社 情報符号化方法及び復号化方法、情報符号化装置及び復号化装置、並びに情報記録媒体
JP3557674B2 (ja) * 1994-12-15 2004-08-25 ソニー株式会社 高能率符号化方法及び装置
JP3371590B2 (ja) * 1994-12-28 2003-01-27 ソニー株式会社 高能率符号化方法及び高能率復号化方法
US5781452A (en) * 1995-03-22 1998-07-14 International Business Machines Corporation Method and apparatus for efficient decompression of high quality digital audio
US5717819A (en) * 1995-04-28 1998-02-10 Motorola, Inc. Methods and apparatus for encoding/decoding speech signals at low bit rates
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
JP3189660B2 (ja) * 1996-01-30 2001-07-16 ソニー株式会社 信号符号化方法
SE9601606D0 (sv) * 1996-04-26 1996-04-26 Ericsson Telefon Ab L M Sätt vid radiotelekommunikationssystem
JP3255022B2 (ja) 1996-07-01 2002-02-12 日本電気株式会社 適応変換符号化方式および適応変換復号方式
JP3496411B2 (ja) * 1996-10-30 2004-02-09 ソニー株式会社 情報符号化方法及び復号化装置
US6003000A (en) * 1997-04-29 1999-12-14 Meta-C Corporation Method and system for speech processing with greatly reduced harmonic and intermodulation distortion
GB2326572A (en) * 1997-06-19 1998-12-23 Softsound Limited Low bit rate audio coder and decoder
US6313765B1 (en) 1997-10-10 2001-11-06 L-3 Communications Corporation Method for sample rate conversion of digital data
US6012025A (en) * 1998-01-28 2000-01-04 Nokia Mobile Phones Limited Audio coding method and apparatus using backward adaptive prediction
US6311154B1 (en) 1998-12-30 2001-10-30 Nokia Mobile Phones Limited Adaptive windows for analysis-by-synthesis CELP-type speech coding
US6985857B2 (en) * 2001-09-27 2006-01-10 Motorola, Inc. Method and apparatus for speech coding using training and quantizing
US8027242B2 (en) * 2005-10-21 2011-09-27 Qualcomm Incorporated Signal coding and decoding based on spectral dynamics
US8392176B2 (en) * 2006-04-10 2013-03-05 Qualcomm Incorporated Processing of excitation in audio coding and decoding
US20090198500A1 (en) * 2007-08-24 2009-08-06 Qualcomm Incorporated Temporal masking in audio coding based on spectral dynamics in frequency sub-bands
US8428957B2 (en) 2007-08-24 2013-04-23 Qualcomm Incorporated Spectral noise shaping in audio coding based on spectral dynamics in frequency sub-bands
TWI387270B (zh) * 2008-08-19 2013-02-21 Ite Tech Inc 可適性位元承載系統之低複雜度數位調變映射方法與裝置
US9082412B2 (en) * 2010-06-11 2015-07-14 Panasonic Intellectual Property Corporation Of America Decoder, encoder, and methods thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3681530A (en) * 1970-06-15 1972-08-01 Gte Sylvania Inc Method and apparatus for signal bandwidth compression utilizing the fourier transform of the logarithm of the frequency spectrum magnitude
FR2389277A1 (fr) * 1977-04-29 1978-11-24 Ibm France Procede de quantification a allocation dynamique du taux de bits disponible, et dispositif de mise en oeuvre dudit procede
JPS54107704A (en) * 1978-02-01 1979-08-23 Shure Bros Attachment for stabilizing movement of record stylus and for eliminating static electricity from record disk

Also Published As

Publication number Publication date
FR2434452A1 (fr) 1980-03-21
US4184049A (en) 1980-01-15
DE2934489C2 (en:Method) 1988-01-28
SE7906750L (sv) 1980-02-26
GB2030428A (en) 1980-04-02
JPS5557900A (en) 1980-04-30
FR2434452B1 (en:Method) 1983-07-18
JPH0146880B2 (en:Method) 1989-10-11
DE2934489A1 (de) 1980-03-27
GB2030428B (en) 1982-07-14
SE437578B (sv) 1985-03-04
BE878414A (fr) 1979-12-17

Similar Documents

Publication Publication Date Title
NL7906413A (nl) Keten en werkwijze voor het verwerken van spraak- signalen.
EP0673014B1 (en) Acoustic signal transform coding method and decoding method
CN101425294B (zh) 声音编解码与发送接收设备及编码方法、通信终端和基站
RU2670797C2 (ru) Способ и устройство для формирования из представления hoa-сигналов в области коэффициентов смешанного представления упомянутых hoa-сигналов в пространственной области/области коэффициентов
JP2021012398A (ja) 音声符号化装置および方法
JPH03505929A (ja) 適応変換コード化の改良
KR20090117890A (ko) 부호화 장치 및 부호화 방법
CN113053400B (zh) 音频信号降噪模型的训练方法、音频信号降噪方法及设备
CN101443842A (zh) 信息信号编码
CN101770779A (zh) 嘈杂的声学信号中的噪声频谱跟踪
CN114338623B (zh) 音频的处理方法、装置、设备及介质
US8290143B2 (en) Delay estimator
JP6812504B2 (ja) 音声符号化方法および関連装置
JP4606418B2 (ja) スケーラブル符号化装置、スケーラブル復号装置及びスケーラブル符号化方法
EP1498874A1 (en) Wide-band speech signal compression and decompression apparatus, and method thereof
EP1596366A1 (en) Digital signal encoding method and apparatus using plural lookup tables
JP4359949B2 (ja) 信号符号化装置及び方法、並びに信号復号装置及び方法
JP2009210644A (ja) 線形予測係数算出装置、線形予測係数算出方法、線形予測係数算出プログラム、および記憶媒体
WO2019167706A1 (ja) 符号化装置、符号化方法、プログラム、および記録媒体
JP4618823B2 (ja) 信号符号化装置及び方法
Be’ery et al. An efficient variable-bit-rate low-delay CELP (VBR-LD-CELP) coder
JP2778128B2 (ja) 適応変換符号化の方法及び装置
Soheili Analysis by synthesis coding of speech signals at 8 kb/s and below
RU2320027C2 (ru) Способ сжатия и восстановления речевых сообщений
JP2638208B2 (ja) 適応変換符号化復号化の方法及び装置

Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed