GB9200659D0 - Channel coding for speech - Google Patents

Channel coding for speech

Info

Publication number
GB9200659D0
GB9200659D0 GB929200659A GB9200659A GB9200659D0 GB 9200659 D0 GB9200659 D0 GB 9200659D0 GB 929200659 A GB929200659 A GB 929200659A GB 9200659 A GB9200659 A GB 9200659A GB 9200659 D0 GB9200659 D0 GB 9200659D0
Authority
GB
United Kingdom
Prior art keywords
speech
channel coding
coding
channel
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.)
Withdrawn
Application number
GB929200659A
Other versions
GB2252702A (en
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.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
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
Priority claimed from GB919100823A external-priority patent/GB9100823D0/en
Priority claimed from GB919106156A external-priority patent/GB9106156D0/en
Application filed by British Telecommunications PLC filed Critical British Telecommunications PLC
Publication of GB9200659D0 publication Critical patent/GB9200659D0/en
Publication of GB2252702A publication Critical patent/GB2252702A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/35—Unequal or adaptive error protection, e.g. by providing a different level of protection according to significance of source information or by adapting the coding according to the change of transmission channel characteristics
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/23—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using convolutional codes, e.g. unit memory codes

Landscapes

  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Error Detection And Correction (AREA)
GB9200659A 1991-01-15 1992-01-14 Channel coding for speech Withdrawn GB2252702A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919100823A GB9100823D0 (en) 1991-01-15 1991-01-15 Digital speech signals
GB919106156A GB9106156D0 (en) 1991-03-22 1991-03-22 Channel coding for speech

Publications (2)

Publication Number Publication Date
GB9200659D0 true GB9200659D0 (en) 1992-03-11
GB2252702A GB2252702A (en) 1992-08-12

Family

ID=26298261

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9200659A Withdrawn GB2252702A (en) 1991-01-15 1992-01-14 Channel coding for speech

Country Status (1)

Country Link
GB (1) GB2252702A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0818461A (en) * 1994-06-25 1996-01-19 Nec Corp Maximum likelihood error correction system and correction device
JP3157116B2 (en) * 1996-03-29 2001-04-16 三菱電機株式会社 Audio coding transmission system
US5910182A (en) * 1996-05-03 1999-06-08 Ericsson Inc. Data communications systems and methods using interspersed error detection bits
JP2001251200A (en) 2000-03-03 2001-09-14 Nec Corp Encoding method

Also Published As

Publication number Publication date
GB2252702A (en) 1992-08-12

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)