GB2332347B - Digital communications device,method and system - Google Patents

Digital communications device,method and system

Info

Publication number
GB2332347B
GB2332347B GB9726288A GB9726288A GB2332347B GB 2332347 B GB2332347 B GB 2332347B GB 9726288 A GB9726288 A GB 9726288A GB 9726288 A GB9726288 A GB 9726288A GB 2332347 B GB2332347 B GB 2332347B
Authority
GB
United Kingdom
Prior art keywords
communications device
digital communications
digital
communications
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
GB9726288A
Other versions
GB9726288D0 (en
GB2332347A9 (en
GB2332347A (en
Inventor
Pat Mcandrew
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
Publication of GB2332347A9 publication Critical patent/GB2332347A9/en
Application filed by Motorola Ltd filed Critical Motorola Ltd
Priority to GB9726288A priority Critical patent/GB2332347B/en
Publication of GB9726288D0 publication Critical patent/GB9726288D0/en
Publication of GB2332347A publication Critical patent/GB2332347A/en
Application granted granted Critical
Publication of GB2332347B publication Critical patent/GB2332347B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G10L19/012—Comfort noise or silence coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • 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
    • G10L2019/0001—Codebooks
GB9726288A 1997-12-13 1997-12-13 Digital communications device,method and system Expired - Fee Related GB2332347B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9726288A GB2332347B (en) 1997-12-13 1997-12-13 Digital communications device,method and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9726288A GB2332347B (en) 1997-12-13 1997-12-13 Digital communications device,method and system

Publications (4)

Publication Number Publication Date
GB2332347A9 GB2332347A9 (en) 1900-01-01
GB9726288D0 GB9726288D0 (en) 1998-02-11
GB2332347A GB2332347A (en) 1999-06-16
GB2332347B true GB2332347B (en) 2002-07-17

Family

ID=10823507

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9726288A Expired - Fee Related GB2332347B (en) 1997-12-13 1997-12-13 Digital communications device,method and system

Country Status (1)

Country Link
GB (1) GB2332347B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2356538A (en) 1999-11-22 2001-05-23 Mitel Corp Comfort noise generation for open discontinuous transmission systems
EP1179819A1 (en) * 2000-08-11 2002-02-13 Lucent Technologies Inc. Efficient comfort noise transmission

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2285204A (en) * 1993-12-10 1995-06-28 Kokusai Electric Co Ltd Voice coding communication system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2285204A (en) * 1993-12-10 1995-06-28 Kokusai Electric Co Ltd Voice coding communication system

Also Published As

Publication number Publication date
GB9726288D0 (en) 1998-02-11
GB2332347A9 (en) 1900-01-01
GB2332347A (en) 1999-06-16

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Legal Events

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

Effective date: 20091213