DK1125276T3 - Fremgangsmåde og indretning til adaptiv båndbreddeafhængig tonhøjdesøgning ved kodning af bredbåndssignaler - Google Patents

Fremgangsmåde og indretning til adaptiv båndbreddeafhængig tonhøjdesøgning ved kodning af bredbåndssignaler

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Publication number
DK1125276T3
DK1125276T3 DK99952199T DK99952199T DK1125276T3 DK 1125276 T3 DK1125276 T3 DK 1125276T3 DK 99952199 T DK99952199 T DK 99952199T DK 99952199 T DK99952199 T DK 99952199T DK 1125276 T3 DK1125276 T3 DK 1125276T3
Authority
DK
Denmark
Prior art keywords
pitch
pitch search
broadband signals
adaptive bandwidth
bandwidth dependent
Prior art date
Application number
DK99952199T
Other languages
English (en)
Inventor
Bruno Bessette
Redwan Salami
Roch Lefebvre
Original Assignee
Voiceage Corp
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.)
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Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4162966&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK1125276(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Voiceage Corp filed Critical Voiceage Corp
Application granted granted Critical
Publication of DK1125276T3 publication Critical patent/DK1125276T3/da

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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/90—Pitch determination of speech signals
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L2019/0001—Codebooks
    • G10L2019/0011—Long term prediction filters, i.e. pitch estimation
DK99952199T 1998-10-27 1999-10-27 Fremgangsmåde og indretning til adaptiv båndbreddeafhængig tonhøjdesøgning ved kodning af bredbåndssignaler DK1125276T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002252170A CA2252170A1 (en) 1998-10-27 1998-10-27 A method and device for high quality coding of wideband speech and audio signals
PCT/CA1999/001008 WO2000025298A1 (en) 1998-10-27 1999-10-27 A method and device for adaptive bandwidth pitch search in coding wideband signals

Publications (1)

Publication Number Publication Date
DK1125276T3 true DK1125276T3 (da) 2003-11-17

Family

ID=4162966

Family Applications (4)

Application Number Title Priority Date Filing Date
DK99952183T DK1125284T3 (da) 1998-10-27 1999-10-27 Fremgangsmåde til gendannelse af højfrekvent indhold og indretning til oversamplet syntetiseret bredbåndssignal
DK99952200T DK1125285T3 (da) 1998-10-27 1999-10-27 Forbedring af periodiciteten ved dekodning af bredbåndssignaler
DK99952201T DK1125286T3 (da) 1998-10-27 1999-10-27 Indretning til perceptiv vægtning og fremgangsmåde ved effektiv kodning af bredbåndssignaler
DK99952199T DK1125276T3 (da) 1998-10-27 1999-10-27 Fremgangsmåde og indretning til adaptiv båndbreddeafhængig tonhøjdesøgning ved kodning af bredbåndssignaler

Family Applications Before (3)

Application Number Title Priority Date Filing Date
DK99952183T DK1125284T3 (da) 1998-10-27 1999-10-27 Fremgangsmåde til gendannelse af højfrekvent indhold og indretning til oversamplet syntetiseret bredbåndssignal
DK99952200T DK1125285T3 (da) 1998-10-27 1999-10-27 Forbedring af periodiciteten ved dekodning af bredbåndssignaler
DK99952201T DK1125286T3 (da) 1998-10-27 1999-10-27 Indretning til perceptiv vægtning og fremgangsmåde ved effektiv kodning af bredbåndssignaler

Country Status (20)

Country Link
US (8) US6795805B1 (da)
EP (4) EP1125284B1 (da)
JP (4) JP3566652B2 (da)
KR (3) KR100417634B1 (da)
CN (4) CN1165891C (da)
AT (4) ATE246836T1 (da)
AU (4) AU6457099A (da)
BR (2) BR9914890B1 (da)
CA (5) CA2252170A1 (da)
DE (4) DE69910240T2 (da)
DK (4) DK1125284T3 (da)
ES (4) ES2205891T3 (da)
HK (1) HK1043234B (da)
MX (2) MXPA01004137A (da)
NO (4) NO319181B1 (da)
NZ (1) NZ511163A (da)
PT (4) PT1125284E (da)
RU (2) RU2219507C2 (da)
WO (4) WO2000025303A1 (da)
ZA (2) ZA200103367B (da)

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