AU3534597A - Enhanced encoding of dtmf and other signalling tones - Google Patents

Enhanced encoding of dtmf and other signalling tones

Info

Publication number
AU3534597A
AU3534597A AU35345/97A AU3534597A AU3534597A AU 3534597 A AU3534597 A AU 3534597A AU 35345/97 A AU35345/97 A AU 35345/97A AU 3534597 A AU3534597 A AU 3534597A AU 3534597 A AU3534597 A AU 3534597A
Authority
AU
Australia
Prior art keywords
dtmf
enhanced encoding
signalling tones
tones
signalling
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.)
Abandoned
Application number
AU35345/97A
Inventor
Jean-Pierre Adoul
Claude Laflamme
Redwan Salami
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.)
Universite de Sherbrooke
Original Assignee
Universite de Sherbrooke
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 Universite de Sherbrooke filed Critical Universite de Sherbrooke
Publication of AU3534597A publication Critical patent/AU3534597A/en
Abandoned legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/06Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G10L19/07Line spectrum pair [LSP] vocoders
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/20Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L2019/0001Codebooks
    • G10L2019/0016Codebook for LPC parameters
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78Detection of presence or absence of voice signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AU35345/97A 1996-07-17 1997-07-17 Enhanced encoding of dtmf and other signalling tones Abandoned AU3534597A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US2191196P 1996-07-17 1996-07-17
US60021911 1996-07-17
PCT/CA1997/000516 WO1998004046A2 (en) 1996-07-17 1997-07-17 Enhanced encoding of dtmf and other signalling tones

Publications (1)

Publication Number Publication Date
AU3534597A true AU3534597A (en) 1998-02-10

Family

ID=21806795

Family Applications (1)

Application Number Title Priority Date Filing Date
AU35345/97A Abandoned AU3534597A (en) 1996-07-17 1997-07-17 Enhanced encoding of dtmf and other signalling tones

Country Status (4)

Country Link
EP (1) EP0913034A2 (en)
AU (1) AU3534597A (en)
CA (1) CA2258183A1 (en)
WO (1) WO1998004046A2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002055699A (en) * 2000-08-10 2002-02-20 Mitsubishi Electric Corp Device and method for encoding voice
US7970606B2 (en) 2002-11-13 2011-06-28 Digital Voice Systems, Inc. Interoperable vocoder
US7634399B2 (en) 2003-01-30 2009-12-15 Digital Voice Systems, Inc. Voice transcoder
US8359197B2 (en) 2003-04-01 2013-01-22 Digital Voice Systems, Inc. Half-rate vocoder
US8036886B2 (en) 2006-12-22 2011-10-11 Digital Voice Systems, Inc. Estimation of pulsed speech model parameters
US11270714B2 (en) 2020-01-08 2022-03-08 Digital Voice Systems, Inc. Speech coding using time-varying interpolation
US11990144B2 (en) 2021-07-28 2024-05-21 Digital Voice Systems, Inc. Reducing perceived effects of non-voice data in digital speech

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0443548B1 (en) * 1990-02-22 2003-07-23 Nec Corporation Speech coder
JP3089769B2 (en) * 1991-12-03 2000-09-18 日本電気株式会社 Audio coding device
US5495555A (en) * 1992-06-01 1996-02-27 Hughes Aircraft Company High quality low bit rate celp-based speech codec
JP2746039B2 (en) * 1993-01-22 1998-04-28 日本電気株式会社 Audio coding method

Also Published As

Publication number Publication date
EP0913034A2 (en) 1999-05-06
WO1998004046A3 (en) 1998-03-26
WO1998004046A2 (en) 1998-01-29
CA2258183A1 (en) 1998-01-29

Similar Documents

Publication Publication Date Title
IL120523A (en) Voice coding and transmission system
GB9523042D0 (en) Digital coding
AU3126297A (en) Caller id telephone with signal attenuation
HUP9701015A3 (en) Insulated flask and flask set
ZA957735B (en) Digital telephony
ZA97389B (en) Digital voice paging system
GB2314724B (en) Telephone
AU131892S (en) Telephone
ZA956252B (en) Authentication of telephone subscribers
AU3534597A (en) Enhanced encoding of dtmf and other signalling tones
GB9418756D0 (en) Digital telephony
GB9610691D0 (en) Ringing tone apparatus
AU134765S (en) Telephone
GB2310778B (en) Telephone network signalling
GB9520341D0 (en) Digital key telephone system
CA83208S (en) Telephone
GB2325953B (en) Emergency telephone
GB9509199D0 (en) Digital telephony
GB9610958D0 (en) Sound encoding
TW319426U (en) Improved structure of warning bell
GB2299242B (en) Configuration of digital switch
AU127801S (en) Public telephone
CA74727S (en) Public telephone
PL107466U1 (en) Signalling and voice transmission telephone cable
TW340697U (en) Improved telephone system and the interface