DE69017498D1 - Sprachcodiergerät. - Google Patents

Sprachcodiergerät.

Info

Publication number: DE69017498D1
Authority: DE; Germany
Prior art keywords: coding device; speech coding; speech; coding
Prior art date: 1989-04-28
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

DE69017498T

Other languages

English (en)

Other versions

DE69017498T2 (de

Inventor

Tomohiko Taniguchi

Yoshinori Tanaka

Yasuji Ota

Fumio Amano

Shigeyuki Unagami

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.)

Fujitsu Ltd

Original Assignee

Fujitsu Ltd

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.)

1989-04-28

Filing date

1990-04-27

Publication date

1995-04-13

1990-04-27 Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd

1995-04-13 Application granted granted Critical

1995-04-13 Publication of DE69017498D1 publication Critical patent/DE69017498D1/de

1995-08-17 Publication of DE69017498T2 publication Critical patent/DE69017498T2/de

2010-04-28 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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
- G10L19/02—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
- G10L19/032—Quantisation or dequantisation of spectral components
- G10L19/038—Vector quantisation, e.g. TwinVQ audio
- 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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3082—Vector coding

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Spectroscopy & Molecular Physics (AREA)
Health & Medical Sciences (AREA)
Computational Linguistics (AREA)
Signal Processing (AREA)
Audiology, Speech & Language Pathology (AREA)
Human Computer Interaction (AREA)
Acoustics & Sound (AREA)
Multimedia (AREA)
Theoretical Computer Science (AREA)
Compression, Expansion, Code Conversion, And Decoders (AREA)
Analogue/Digital Conversion (AREA)
Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)

DE69017498T 1989-04-28 1990-04-27 Sprachcodiergerät. Expired - Fee Related DE69017498T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP1107339A JPH02287399A (ja)	1989-04-28	1989-04-28	ベクトル量子化制御方式

Publications (2)

Publication Number	Publication Date
DE69017498D1 true DE69017498D1 (de)	1995-04-13
DE69017498T2 DE69017498T2 (de)	1995-08-17

Family

ID=14456549

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69017498T Expired - Fee Related DE69017498T2 (de)	1989-04-28	1990-04-27	Sprachcodiergerät.

Country Status (5)

Country	Link
US (1)	US5274741A (de)
EP (1)	EP0395076B1 (de)
JP (1)	JPH02287399A (de)
CA (1)	CA2015274C (de)
DE (1)	DE69017498T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0755047B1 (de) *	1990-11-02	2002-04-10	Nec Corporation	Verfahren zur Kodierung eines Sprachparameters mittels Übertragung eines spektralen Parameters mit verringerter Datenrate
US5765127A (en) *	1992-03-18	1998-06-09	Sony Corp	High efficiency encoding method
JPH05335967A (ja) *	1992-05-29	1993-12-17	Takeo Miyazawa	音情報圧縮方法及び音情報再生装置
US5621852A (en)	1993-12-14	1997-04-15	Interdigital Technology Corporation	Efficient codebook structure for code excited linear prediction coding
JP3273455B2 (ja) *	1994-10-07	2002-04-08	日本電信電話株式会社	ベクトル量子化方法及びその復号化器
GB2304508A (en) *	1995-04-19	1997-03-19	Motorola Inc	Method and apparatus for low rate coding and decoding
US5508708A (en) *	1995-05-08	1996-04-16	Motorola, Inc.	Method and apparatus for location finding in a CDMA system
US5781882A (en) *	1995-09-14	1998-07-14	Motorola, Inc.	Very low bit rate voice messaging system using asymmetric voice compression processing
FR2815160B1 (fr) *	2000-10-06	2003-01-17	France Telecom	Procede et dispositif de codage d'un signal audiofrequence
WO2014204935A2 (en) *	2013-06-17	2014-12-24	Dolby Laboratories Licensing Corporation	Multi-stage quantization of parameter vectors from disparate signal dimensions
CN111798859B (zh) *	2020-08-27	2024-07-12	北京世纪好未来教育科技有限公司	数据处理方法、装置、计算机设备及存储介质
CN114743561B (zh) *	2022-05-06	2024-11-08	广州思信电子科技有限公司	语音分离装置及方法、存储介质、计算机设备

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5941596B2 (ja) *	1977-05-27	1984-10-08	日本電気株式会社	適応形線形予測装置
JPS6011360B2 (ja) *	1981-12-15	1985-03-25	ケイディディ株式会社	音声符号化方式
GB2117608B (en) *	1982-02-17	1986-07-30	Gen Electric Co Plc	Speech signal transmission system
JPS58204632A (ja) *	1982-05-24	1983-11-29	Nec Corp	音声符号化方法とその装置
US4731846A (en) *	1983-04-13	1988-03-15	Texas Instruments Incorporated	Voice messaging system with pitch tracking based on adaptively filtered LPC residual signal
JPS60237500A (ja) *	1984-05-11	1985-11-26	日本電気株式会社	マルチパルス型ボコ−ダ
JPS6162100A (ja) *	1984-09-04	1986-03-29	日本電気株式会社	マルチパルス型符号化復号化装置
NL8500843A (nl) *	1985-03-22	1986-10-16	Koninkl Philips Electronics Nv	Multipuls-excitatie lineair-predictieve spraakcoder.
JPH0634197B2 (ja) *	1985-12-04	1994-05-02	日本電気株式会社	音声符号化方法とその装置
US4868867A (en) *	1987-04-06	1989-09-19	Voicecraft Inc.	Vector excitation speech or audio coder for transmission or storage
US4817157A (en) *	1988-01-07	1989-03-28	Motorola, Inc.	Digital speech coder having improved vector excitation source
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

1989
- 1989-04-28 JP JP1107339A patent/JPH02287399A/ja active Pending
1990
- 1990-04-24 CA CA002015274A patent/CA2015274C/en not_active Expired - Fee Related
- 1990-04-27 DE DE69017498T patent/DE69017498T2/de not_active Expired - Fee Related
- 1990-04-27 US US07/515,430 patent/US5274741A/en not_active Expired - Lifetime
- 1990-04-27 EP EP90108003A patent/EP0395076B1/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0395076B1 (de)	1995-03-08
DE69017498T2 (de)	1995-08-17
JPH02287399A (ja)	1990-11-27
US5274741A (en)	1993-12-28
CA2015274A1 (en)	1990-10-28
EP0395076A2 (de)	1990-10-31
CA2015274C (en)	1994-07-19
EP0395076A3 (de)	1991-01-09

Publication	Publication Date	Title
DE68911113D1 (de)	1994-01-13	Kodiereinrichtung.
DE69020269D1 (de)	1995-07-27	Sprachkodierungsgerät mit mehreren Kodierungsverfahren.
DE69016880D1 (de)	1995-03-23	Transformationskodierungsgerät.
DE3854173D1 (de)	1995-08-24	Codiereinrichtung.
DE69032177D1 (de)	1998-04-30	Kodierungsgerät
DE69011918D1 (de)	1994-10-06	Kodiereinrichtung.
DE69032551D1 (de)	1998-09-17	Einrichtung zur Sprachkodierung
NO891724L (no)	1989-04-26	Talekoding.
DE69014440D1 (de)	1995-01-12	Sprachcodierungs-/-decodierungssystem.
DE69132017D1 (de)	2000-04-06	Kodierungsvorrichtung
NO902302D0 (no)	1990-05-23	Transformasjonskodingsanordning.
DE69022688D1 (de)	1995-11-02	Mikrophongerät.
DE3773033D1 (de)	1991-10-24	Kodierungsvorrichtung.
DE69224253D1 (de)	1998-03-05	Sprachkodiergerät
DE68924658D1 (de)	1995-12-07	Prädiktive Kodierungsvorrichtung.
DE69028149D1 (de)	1996-09-26	Kodiereinrichtung
NO903641L (no)	1991-03-04	Avgrenset stokastisk talekoding.
DE69029652D1 (de)	1997-02-20	Zeichenkodierung
DE69017498D1 (de)	1995-04-13	Sprachcodiergerät.
ES1009123Y (es)	1990-02-16	Aparato gimnastico-recreativo.
DE69017632D1 (de)	1995-04-13	Auftragevorrichtung.
NO166141C (no)	1991-06-05	Forskalingsanordning.
DE69020399D1 (de)	1995-08-03	Vorhersage-Kodierungsvorrichtung.
FI904768A7 (fi)	1991-04-13	Puheen koodausjärjestely
NO893532L (no)	1989-09-04	Talekoding.

Legal Events

Date	Code	Title	Description
1996-04-04	8364	No opposition during term of opposition
2007-02-15	8339	Ceased/non-payment of the annual fee