GB2338630B - Speech decoder and method of operation - Google Patents

Speech decoder and method of operation

Info

Publication number
GB2338630B
GB2338630B GB9813255A GB9813255A GB2338630B GB 2338630 B GB2338630 B GB 2338630B GB 9813255 A GB9813255 A GB 9813255A GB 9813255 A GB9813255 A GB 9813255A GB 2338630 B GB2338630 B GB 2338630B
Authority
GB
United Kingdom
Prior art keywords
speech decoder
speech
decoder
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
GB9813255A
Other versions
GB2338630A (en
GB9813255D0 (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 GB9813255A priority Critical patent/GB2338630B/en
Publication of GB9813255D0 publication Critical patent/GB9813255D0/en
Publication of GB2338630A publication Critical patent/GB2338630A/en
Application granted granted Critical
Publication of GB2338630B publication Critical patent/GB2338630B/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
    • G10L19/26—Pre-filtering or post-filtering
    • 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)
GB9813255A 1998-06-20 1998-06-20 Speech decoder and method of operation Expired - Fee Related GB2338630B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9813255A GB2338630B (en) 1998-06-20 1998-06-20 Speech decoder and method of operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9813255A GB2338630B (en) 1998-06-20 1998-06-20 Speech decoder and method of operation

Publications (3)

Publication Number Publication Date
GB9813255D0 GB9813255D0 (en) 1998-08-19
GB2338630A GB2338630A (en) 1999-12-22
GB2338630B true GB2338630B (en) 2000-07-26

Family

ID=10834042

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9813255A Expired - Fee Related GB2338630B (en) 1998-06-20 1998-06-20 Speech decoder and method of operation

Country Status (1)

Country Link
GB (1) GB2338630B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0462559A2 (en) * 1990-06-18 1991-12-27 Fujitsu Limited Speech coding and decoding system
EP0532225A2 (en) * 1991-09-10 1993-03-17 AT&T Corp. Method and apparatus for speech coding and decoding
EP0657872A2 (en) * 1993-12-10 1995-06-14 Nec Corporation Spech decoder capable of reproducing well background noise
EP0658875A2 (en) * 1993-12-10 1995-06-21 Nec Corporation Speech decoder
WO1998006091A1 (en) * 1996-08-02 1998-02-12 Matsushita Electric Industrial Co., Ltd. Voice encoder, voice decoder, recording medium on which program for realizing voice encoding/decoding is recorded and mobile communication apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0462559A2 (en) * 1990-06-18 1991-12-27 Fujitsu Limited Speech coding and decoding system
EP0532225A2 (en) * 1991-09-10 1993-03-17 AT&T Corp. Method and apparatus for speech coding and decoding
EP0657872A2 (en) * 1993-12-10 1995-06-14 Nec Corporation Spech decoder capable of reproducing well background noise
EP0658875A2 (en) * 1993-12-10 1995-06-21 Nec Corporation Speech decoder
WO1998006091A1 (en) * 1996-08-02 1998-02-12 Matsushita Electric Industrial Co., Ltd. Voice encoder, voice decoder, recording medium on which program for realizing voice encoding/decoding is recorded and mobile communication apparatus

Also Published As

Publication number Publication date
GB2338630A (en) 1999-12-22
GB9813255D0 (en) 1998-08-19

Similar Documents

Publication Publication Date Title
EP0966107A4 (en) Variable length decoder and decoding method
EP1024477A4 (en) Multimode speech encoder and decoder
EP1684268B8 (en) Method and apparatus for the generation of vectors for speech decoding
GB9712971D0 (en) Low bit rate audio coder and decoder
AP2000001783A0 (en) Disinfectant and method of making
PL318128A1 (en) Polymer-polyol and method of obtaining polymer-polyols
EP1100072A4 (en) Speech synthesizing system and speech synthesizing method
HK1047358A1 (en) A lossless decoder and a method thereof
AU2001231057A1 (en) Tailbiting decoder and method
GB9705263D0 (en) Data-transmitter-receiver and method of operation
GB2299491B (en) Decoder and method therefor
HU9902009D0 (en) Lamp and method of its operation
EP1001542A4 (en) Voice decoder and voice decoding method
SG53078A1 (en) Speech encoding method and apparatus and speech decoding method and apparatus
EP1054607A4 (en) Micro-fastening system and method of manufacture
GB9822931D0 (en) Speech processing apparatus and method
SG43430A1 (en) Speech decoding method and apparatus
AU1352999A (en) Sound decoding device and sound decoding method
EP1001541A4 (en) Sound decoder and sound decoding method
AU1990199A (en) Decoding method and apparatus
GB2344264B (en) Data decoder and method of recovering data
GB2338630B (en) Speech decoder and method of operation
AU5452199A (en) Method of injecting water and gas
GB2314240B (en) Viterbi decoder for an equaliser and method of operation
EP1071217A4 (en) Decoder and decoding method

Legal Events

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

Effective date: 20090620