AU7204491A – Communication apparatus for speech signal
– Google Patents
AU7204491A – Communication apparatus for speech signal
– Google Patents
Communication apparatus for speech signal
Info
Publication number
AU7204491A
AU7204491A
AU72044/91A
AU7204491A
AU7204491A
AU 7204491 A
AU7204491 A
AU 7204491A
AU 72044/91 A
AU72044/91 A
AU 72044/91A
AU 7204491 A
AU7204491 A
AU 7204491A
AU 7204491 A
AU7204491 A
AU 7204491A
Authority
AU
Australia
Prior art keywords
communication apparatus
speech signal
speech
signal
communication
Prior art date
1990-03-01
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.)
Granted
Application number
AU72044/91A
Other versions
AU641473B2
(en
Inventor
Tetsu Taguchi
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.)
NEC Corp
Original Assignee
NEC 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.)
1990-03-01
Filing date
1991-03-01
Publication date
1991-09-05
1991-03-01
Application filed by NEC Corp
filed
Critical
NEC Corp
1991-09-05
Publication of AU7204491A
publication
Critical
patent/AU7204491A/en
1993-09-23
Application granted
granted
Critical
1993-09-23
Publication of AU641473B2
publication
Critical
patent/AU641473B2/en
2011-03-01
Anticipated expiration
legal-status
Critical
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
H04K1/00—Secret communication
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
G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
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
G10L25/18—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 spectral information of each sub-band
AU72044/91A
1990-03-01
1991-03-01
Communication apparatus for speech signal
Expired
AU641473B2
(en)
Applications Claiming Priority (2)
Application Number
Priority Date
Filing Date
Title
JP5095190
1990-03-01
JP2-50951
1990-03-01
Publications (2)
Publication Number
Publication Date
AU7204491A
true
AU7204491A
(en)
1991-09-05
AU641473B2
AU641473B2
(en)
1993-09-23
Family
ID=12873134
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
AU72044/91A
Expired
AU641473B2
(en)
1990-03-01
1991-03-01
Communication apparatus for speech signal
Country Status (5)
Country
Link
US
(1)
US5226083A
(en)
JP
(1)
JP2689739B2
(en)
AU
(1)
AU641473B2
(en)
CA
(1)
CA2037326C
(en)
GB
(1)
GB2244192B
(en)
Families Citing this family (8)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US5216714A
(en)
*
1991-12-13
1993-06-01
3Com Corporation
Method and apparatus for controlling the spectral content of a data stream
JP3144009B2
(en)
*
1991-12-24
2001-03-07
日本電気株式会社
Speech codec
US5982950A
(en)
*
1993-08-20
1999-11-09
United Parcel Services Of America, Inc.
Frequency shifter for acquiring an optical target
JP2993396B2
(en)
*
1995-05-12
1999-12-20
三菱電機株式会社
Voice processing filter and voice synthesizer
JPH09127995A
(en)
*
1995-10-26
1997-05-16
Sony Corp
Signal decoding method and signal decoder
US7742927B2
(en)
*
2000-04-18
2010-06-22
France Telecom
Spectral enhancing method and device
JP5099118B2
(en)
*
2007-03-13
2012-12-12
富士通セミコンダクター株式会社
Multi-carrier communication apparatus, multi-carrier communication system, and multi-carrier communication method
EP3382701A1
(en)
*
2017-03-31
2018-10-03
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
Apparatus and method for post-processing an audio signal using prediction based shaping
Family Cites Families (6)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4486899A
(en)
*
1981-03-17
1984-12-04
Nippon Electric Co., Ltd.
System for extraction of pole parameter values
US4879748A
(en)
*
1985-08-28
1989-11-07
American Telephone And Telegraph Company
Parallel processing pitch detector
US4797926A
(en)
*
1986-09-11
1989-01-10
American Telephone And Telegraph Company, At&T Bell Laboratories
Digital speech vocoder
AU620384B2
(en)
*
1988-03-28
1992-02-20
Nec Corporation
Linear predictive speech analysis-synthesis apparatus
JPH0782359B2
(en)
*
1989-04-21
1995-09-06
三菱電機株式会社
Speech coding apparatus, speech decoding apparatus, and speech coding / decoding apparatus
US4980916A
(en)
*
1989-10-26
1990-12-25
General Electric Company
Method for improving speech quality in code excited linear predictive speech coding
1991
1991-02-27
JP
JP3032553A
patent/JP2689739B2/en
not_active
Expired – Lifetime
1991-02-28
CA
CA002037326A
patent/CA2037326C/en
not_active
Expired – Lifetime
1991-03-01
US
US07/662,692
patent/US5226083A/en
not_active
Expired – Lifetime
1991-03-01
AU
AU72044/91A
patent/AU641473B2/en
not_active
Expired
1991-03-01
GB
GB9104354A
patent/GB2244192B/en
not_active
Expired – Lifetime
Also Published As
Publication number
Publication date
US5226083A
(en)
1993-07-06
CA2037326C
(en)
1995-11-28
JPH04211541A
(en)
1992-08-03
AU641473B2
(en)
1993-09-23
GB2244192A
(en)
1991-11-20
GB9104354D0
(en)
1991-04-17
CA2037326A1
(en)
1991-09-02
GB2244192B
(en)
1994-04-20
JP2689739B2
(en)
1997-12-10
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