AU4943493A - Speech codec - Google Patents

Speech codec

Info

Publication number: AU4943493A
Authority: AU; Australia
Prior art keywords: speech codec; codec; speech
Prior art date: 1992-09-24
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.): Abandoned

Application number

AU49434/93A

Inventor

Jorg-Martin Muller

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.)

Bosch Telecom GmbH

Original Assignee

ANT Nachrichtentechnik GmbH

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.)

1992-09-24

Filing date

1993-09-11

Publication date

1994-04-12

1993-09-11 Application filed by ANT Nachrichtentechnik GmbH filed Critical ANT Nachrichtentechnik GmbH

1994-04-12 Publication of AU4943493A publication Critical patent/AU4943493A/en

Status Abandoned 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
- G10L19/04—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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
- H04B14/046—Systems or methods for reducing noise or bandwidth

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Signal Processing (AREA)
Computational Linguistics (AREA)
Health & Medical Sciences (AREA)
Audiology, Speech & Language Pathology (AREA)
Human Computer Interaction (AREA)
Acoustics & Sound (AREA)
Multimedia (AREA)
Spectroscopy & Molecular Physics (AREA)
Computer Networks & Wireless Communication (AREA)
Compression, Expansion, Code Conversion, And Decoders (AREA)

AU49434/93A 1992-09-24 1993-09-11 Speech codec Abandoned AU4943493A (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
DE19924231918 DE4231918C1 (en)	1992-09-24	1992-09-24	Procedure for coding speech signals
DE4231918		1992-09-24
PCT/DE1993/000839 WO1994007313A1 (en)	1992-09-24	1993-09-11	Speech codec

Publications (1)

Publication Number	Publication Date
AU4943493A true AU4943493A (en)	1994-04-12

Family

ID=6468675

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU49434/93A Abandoned AU4943493A (en)	1992-09-24	1993-09-11	Speech codec

Country Status (3)

Country	Link
AU (1)	AU4943493A (en)
DE (1)	DE4231918C1 (en)
WO (1)	WO1994007313A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6134521A (en) *	1994-02-17	2000-10-17	Motorola, Inc.	Method and apparatus for mitigating audio degradation in a communication system
FR2718906B1 (en) *	1994-04-13	1996-05-24	Alcatel Mobile Comm France	Method for adapting the air interface in a radiocommunication system with mobiles, base station, mobile station and corresponding transmission mode.
FI97504C (en) *	1994-12-19	1996-12-27	Nokia Telecommunications Oy	Data communication method, data communication system and cellular radio system
EP0803989B1 (en) *	1996-04-26	1999-06-16	Deutsche Thomson-Brandt Gmbh	Method and apparatus for encoding of a digitalized audio signal
SE9601606D0 (en)	1996-04-26	1996-04-26	Ericsson Telefon Ab L M	Ways for radio telecommunication systems
CN1106085C (en) *	1996-04-26	2003-04-16	德国汤姆逊-布朗特公司	Method and apparatus for encoding of digitalized audio signal

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1329274C (en) *	1988-06-08	1994-05-03	Tomohiko Taniguchi	Encoder / decoder apparatus
DE3834871C1 (en) *	1988-10-13	1989-12-14	Ant Nachrichtentechnik Gmbh, 7150 Backnang, De	Method for encoding speech
US5060269A (en) *	1989-05-18	1991-10-22	General Electric Company	Hybrid switched multi-pulse/stochastic speech coding technique

1992
- 1992-09-24 DE DE19924231918 patent/DE4231918C1/en not_active Expired - Fee Related
1993
- 1993-09-11 WO PCT/DE1993/000839 patent/WO1994007313A1/en active Application Filing
- 1993-09-11 AU AU49434/93A patent/AU4943493A/en not_active Abandoned

Also Published As

Publication number	Publication date
DE4231918C1 (en)	1993-12-02
WO1994007313A1 (en)	1994-03-31

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EP0603854A3 (en)	1995-01-04	Speech decoder.
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EP0559123A3 (en)	1993-10-20	Codec
AU4943493A (en)	1994-04-12	Speech codec
EP0696793A3 (en)	1997-12-17	A speech coder
AU2720292A (en)	1994-05-05	Hinge
AU4265796A (en)	1996-07-03	Speech processing
GB9225401D0 (en)	1993-01-27	Speech generation
AU676389B2 (en)	1997-03-06	Speech synthesis arrangement and method
EP0694907A3 (en)	1997-10-15	Speech coder