GB2418818B - A method and an arrangement to provide a common platform for tencoder and decoder of various CELP codecs - Google Patents

A method and an arrangement to provide a common platform for tencoder and decoder of various CELP codecs

Info

Publication number
GB2418818B
GB2418818B GB0421852A GB0421852A GB2418818B GB 2418818 B GB2418818 B GB 2418818B GB 0421852 A GB0421852 A GB 0421852A GB 0421852 A GB0421852 A GB 0421852A GB 2418818 B GB2418818 B GB 2418818B
Authority
GB
United Kingdom
Prior art keywords
tencoder
decoder
arrangement
common platform
celp codecs
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
GB0421852A
Other versions
GB2418818A (en
GB0421852D0 (en
Inventor
Nitin Arora
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to GB0421852A priority Critical patent/GB2418818B/en
Publication of GB0421852D0 publication Critical patent/GB0421852D0/en
Priority to PCT/EP2005/054987 priority patent/WO2006037778A1/en
Publication of GB2418818A publication Critical patent/GB2418818A/en
Application granted granted Critical
Publication of GB2418818B publication Critical patent/GB2418818B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] 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
    • 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
    • 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
    • G10L19/16—Vocoder architecture

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)
GB0421852A 2004-10-01 2004-10-01 A method and an arrangement to provide a common platform for tencoder and decoder of various CELP codecs Expired - Fee Related GB2418818B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0421852A GB2418818B (en) 2004-10-01 2004-10-01 A method and an arrangement to provide a common platform for tencoder and decoder of various CELP codecs
PCT/EP2005/054987 WO2006037778A1 (en) 2004-10-01 2005-10-04 Providing a common platform for the encoder and decoder of various celp codes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0421852A GB2418818B (en) 2004-10-01 2004-10-01 A method and an arrangement to provide a common platform for tencoder and decoder of various CELP codecs

Publications (3)

Publication Number Publication Date
GB0421852D0 GB0421852D0 (en) 2004-11-03
GB2418818A GB2418818A (en) 2006-04-05
GB2418818B true GB2418818B (en) 2007-05-02

Family

ID=33427915

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0421852A Expired - Fee Related GB2418818B (en) 2004-10-01 2004-10-01 A method and an arrangement to provide a common platform for tencoder and decoder of various CELP codecs

Country Status (2)

Country Link
GB (1) GB2418818B (en)
WO (1) WO2006037778A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5995923A (en) * 1997-06-26 1999-11-30 Nortel Networks Corporation Method and apparatus for improving the voice quality of tandemed vocoders
US20040102966A1 (en) * 2002-11-25 2004-05-27 Jongmo Sung Apparatus and method for transcoding between CELP type codecs having different bandwidths
WO2004064041A1 (en) * 2003-01-09 2004-07-29 Dilithium Networks Pty Limited Method and apparatus for improved quality voice transcoding

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5995923A (en) * 1997-06-26 1999-11-30 Nortel Networks Corporation Method and apparatus for improving the voice quality of tandemed vocoders
US20040102966A1 (en) * 2002-11-25 2004-05-27 Jongmo Sung Apparatus and method for transcoding between CELP type codecs having different bandwidths
WO2004064041A1 (en) * 2003-01-09 2004-07-29 Dilithium Networks Pty Limited Method and apparatus for improved quality voice transcoding

Also Published As

Publication number Publication date
WO2006037778A1 (en) 2006-04-13
GB2418818A (en) 2006-04-05
GB0421852D0 (en) 2004-11-03

Similar Documents

Publication Publication Date Title
GB0623915D0 (en) Phonetic decoding and concatentive speech synthesis
TWI340377B (en) Method and vocoders of communication speech
DK1979895T3 (en) PROCEDURE AND APPARATUS FOR EFFECTIVELY HIDDEN FRAMEWORK IN SPEECH CODECS
EP1872496A4 (en) A method and apparatus for dynamic time-warping of speech
EP1922723A4 (en) Systems and methods for responding to natural language speech utterance
EP1966444A4 (en) Method and apparatus for bridge construction
GB2433150B (en) Method and apparatus for labelling speech
GB2449036B (en) Layered decoder and method for performing layered decoding
IL185581A0 (en) Method of treating actinic keratosis
IL184927A0 (en) Method for weighted overlap-add
EP2009509A4 (en) Method of development and development apparatus
EP1994525A4 (en) Method and apparatus for automatically creating musical compositions
PT2102619T (en) Method and device for coding transition frames in speech signals
IL190661A0 (en) Method and apparatus for sublingual application of light to blood
GB0624474D0 (en) Method for creating speech prompts using speech synthesis
EP1706736A4 (en) Method and apparatus for evaluation of standing timber
DE602005010536D1 (en) System and method for supporting dual speech codecs
EP2088537A4 (en) Word recognizing method and word recognizing program
GB2418818B (en) A method and an arrangement to provide a common platform for tencoder and decoder of various CELP codecs
EP2024968A4 (en) Method and apparatus to search fixed codebook and method and appratus to encode/decode a speech signal using the method and apparatus to search fixed codebook
EP2080196A4 (en) System and method for modeling speech spectra
GB0722803D0 (en) Method and apparatus to facilitate vocoder erasure precessing
TWI372384B (en) Modifying method for speech model and modifying module thereof
GB0409462D0 (en) Selective embedded dynamic phonetic dictionary for speech synthesis
IL159786A0 (en) Method for extending the exposure time of users to website content

Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20090205 AND 20090211

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20081001