GB2322778B - Noise output for a decoded speech signal - Google Patents

Noise output for a decoded speech signal

Info

Publication number
GB2322778B
GB2322778B GB9704316A GB9704316A GB2322778B GB 2322778 B GB2322778 B GB 2322778B GB 9704316 A GB9704316 A GB 9704316A GB 9704316 A GB9704316 A GB 9704316A GB 2322778 B GB2322778 B GB 2322778B
Authority
GB
United Kingdom
Prior art keywords
speech signal
noise output
decoded speech
decoded
noise
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
GB9704316A
Other versions
GB2322778A (en
GB9704316D0 (en
Inventor
Dominic Sai Fan Chan
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.)
Motorola Solutions UK Ltd
Original Assignee
Motorola 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.)
Filing date
Publication date
Application filed by Motorola Ltd filed Critical Motorola Ltd
Priority to GB9704316A priority Critical patent/GB2322778B/en
Publication of GB9704316D0 publication Critical patent/GB9704316D0/en
Priority to FR9716350A priority patent/FR2760285A1/en
Priority to DE19804557A priority patent/DE19804557A1/en
Publication of GB2322778A publication Critical patent/GB2322778A/en
Application granted granted Critical
Publication of GB2322778B publication Critical patent/GB2322778B/en
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
    • 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 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • G10L19/07—Line spectrum pair [LSP] 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
    • G10L2019/0001—Codebooks
    • G10L2019/0007—Codebook element generation
    • G10L2019/0008—Algebraic codebooks
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0007—Codebook element generation
    • G10L2019/001—Interpolation of codebook vectors
    • 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
    • G10L25/93—Discriminating between voiced and unvoiced parts of speech signals

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)
GB9704316A 1997-03-01 1997-03-01 Noise output for a decoded speech signal Expired - Fee Related GB2322778B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9704316A GB2322778B (en) 1997-03-01 1997-03-01 Noise output for a decoded speech signal
FR9716350A FR2760285A1 (en) 1997-03-01 1997-12-23 METHOD AND DEVICE FOR GENERATING A NOISE SIGNAL FOR THE NON-VOICE OUTPUT OF A DECODED SPOKEN SIGNAL
DE19804557A DE19804557A1 (en) 1997-03-01 1998-02-05 Noise output for a decoded speech signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9704316A GB2322778B (en) 1997-03-01 1997-03-01 Noise output for a decoded speech signal

Publications (3)

Publication Number Publication Date
GB9704316D0 GB9704316D0 (en) 1997-04-23
GB2322778A GB2322778A (en) 1998-09-02
GB2322778B true GB2322778B (en) 2001-10-10

Family

ID=10808572

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9704316A Expired - Fee Related GB2322778B (en) 1997-03-01 1997-03-01 Noise output for a decoded speech signal

Country Status (3)

Country Link
DE (1) DE19804557A1 (en)
FR (1) FR2760285A1 (en)
GB (1) GB2322778B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104584123A (en) * 2012-08-29 2015-04-29 日本电信电话株式会社 Decoding method, decoding device, program, and recording method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2102254A (en) * 1981-05-11 1983-01-26 Kokusai Denshin Denwa Co Ltd A speech analysis-synthesis system
EP0125423A1 (en) * 1983-04-13 1984-11-21 Texas Instruments Incorporated Voice messaging system with pitch tracking based on adaptively filtered LPC residual signal
WO1987001500A1 (en) * 1985-08-28 1987-03-12 American Telephone & Telegraph Company Voice synthesis utilizing multi-level filter excitation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4521907A (en) * 1982-05-25 1985-06-04 American Microsystems, Incorporated Multiplier/adder circuit
US5537509A (en) * 1990-12-06 1996-07-16 Hughes Electronics Comfort noise generation for digital communication systems
JPH0637734A (en) * 1992-07-16 1994-02-10 Fujitsu Ltd Voice transmission system
US5699485A (en) * 1995-06-07 1997-12-16 Lucent Technologies Inc. Pitch delay modification during frame erasures

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2102254A (en) * 1981-05-11 1983-01-26 Kokusai Denshin Denwa Co Ltd A speech analysis-synthesis system
EP0125423A1 (en) * 1983-04-13 1984-11-21 Texas Instruments Incorporated Voice messaging system with pitch tracking based on adaptively filtered LPC residual signal
WO1987001500A1 (en) * 1985-08-28 1987-03-12 American Telephone & Telegraph Company Voice synthesis utilizing multi-level filter excitation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JAPIO abstract of Japanese patent JP 06037734A *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104584123A (en) * 2012-08-29 2015-04-29 日本电信电话株式会社 Decoding method, decoding device, program, and recording method thereof
CN104584123B (en) * 2012-08-29 2018-02-13 日本电信电话株式会社 Coding/decoding method and decoding apparatus

Also Published As

Publication number Publication date
FR2760285A1 (en) 1998-09-04
GB2322778A (en) 1998-09-02
GB9704316D0 (en) 1997-04-23
DE19804557A1 (en) 1998-09-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20060301