GB9217861D0 - Speech processing apparatus - Google Patents

Speech processing apparatus

Info

Publication number
GB9217861D0
GB9217861D0 GB9217861A GB9217861A GB9217861D0 GB 9217861 D0 GB9217861 D0 GB 9217861D0 GB 9217861 A GB9217861 A GB 9217861A GB 9217861 A GB9217861 A GB 9217861A GB 9217861 D0 GB9217861 D0 GB 9217861D0
Authority
GB
United Kingdom
Prior art keywords
processing apparatus
speech processing
speech
processing
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.)
Granted
Application number
GB9217861A
Other versions
GB2258978B (en
GB2258978A (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
Application filed by British Telecommunications PLC filed Critical British Telecommunications PLC
Publication of GB9217861D0 publication Critical patent/GB9217861D0/en
Publication of GB2258978A publication Critical patent/GB2258978A/en
Application granted granted Critical
Publication of GB2258978B publication Critical patent/GB2258978B/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
    • G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor

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)
GB9217861A 1991-08-23 1992-08-21 Speech processing apparatus Expired - Fee Related GB2258978B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919118217A GB9118217D0 (en) 1991-08-23 1991-08-23 Speech processing apparatus

Publications (3)

Publication Number Publication Date
GB9217861D0 true GB9217861D0 (en) 1992-10-07
GB2258978A GB2258978A (en) 1993-02-24
GB2258978B GB2258978B (en) 1995-04-05

Family

ID=10700429

Family Applications (2)

Application Number Title Priority Date Filing Date
GB919118217A Pending GB9118217D0 (en) 1991-08-23 1991-08-23 Speech processing apparatus
GB9217861A Expired - Fee Related GB2258978B (en) 1991-08-23 1992-08-21 Speech processing apparatus

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB919118217A Pending GB9118217D0 (en) 1991-08-23 1991-08-23 Speech processing apparatus

Country Status (2)

Country Link
GB (2) GB9118217D0 (en)
HK (1) HK141096A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI96248C (en) * 1993-05-06 1996-05-27 Nokia Mobile Phones Ltd Method for providing a synthetic filter for long-term interval and synthesis filter for speech coder
SE504397C2 (en) * 1995-05-03 1997-01-27 Ericsson Telefon Ab L M Method for amplification quantization in linear predictive speech coding with codebook excitation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6016468A (en) * 1990-12-21 2000-01-18 British Telecommunications Public Limited Company Generating the variable control parameters of a speech signal synthesis filter

Also Published As

Publication number Publication date
HK141096A (en) 1996-08-09
GB2258978B (en) 1995-04-05
GB2258978A (en) 1993-02-24
GB9118217D0 (en) 1991-10-09

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Legal Events

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