NO319181B1 - Fremgangsmate og innretning for tonehoydesok med adaptiv bandbredde ved koding av bredbandssignaler - Google Patents

Fremgangsmate og innretning for tonehoydesok med adaptiv bandbredde ved koding av bredbandssignaler Download PDF

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Publication number
NO319181B1
NO319181B1 NO20012066A NO20012066A NO319181B1 NO 319181 B1 NO319181 B1 NO 319181B1 NO 20012066 A NO20012066 A NO 20012066A NO 20012066 A NO20012066 A NO 20012066A NO 319181 B1 NO319181 B1 NO 319181B1
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NO
Norway
Prior art keywords
pitch
code vector
filter
signal
prediction error
Prior art date
Application number
NO20012066A
Other languages
English (en)
Norwegian (no)
Other versions
NO20012066L (no
NO20012066D0 (no
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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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=NO319181(B1) "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
Publication of NO20012066D0 publication Critical patent/NO20012066D0/no
Publication of NO20012066L publication Critical patent/NO20012066L/no
Publication of NO319181B1 publication Critical patent/NO319181B1/no

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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
    • 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 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
    • G10L2019/0001—Codebooks
    • G10L2019/0011—Long term prediction filters, i.e. pitch estimation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Dc Digital Transmission (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Error Detection And Correction (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Networks Using Active Elements (AREA)
  • Package Frames And Binding Bands (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Optical Communication System (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Television Systems (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Image Processing (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Inorganic Insulating Materials (AREA)
  • Parts Printed On Printed Circuit Boards (AREA)
NO20012066A 1998-10-27 2001-04-26 Fremgangsmate og innretning for tonehoydesok med adaptiv bandbredde ved koding av bredbandssignaler NO319181B1 (no)

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 (3)

Publication Number Publication Date
NO20012066D0 NO20012066D0 (no) 2001-04-26
NO20012066L NO20012066L (no) 2001-06-27
NO319181B1 true NO319181B1 (no) 2005-06-27

Family

ID=4162966

Family Applications (4)

Application Number Title Priority Date Filing Date
NO20012066A NO319181B1 (no) 1998-10-27 2001-04-26 Fremgangsmate og innretning for tonehoydesok med adaptiv bandbredde ved koding av bredbandssignaler
NO20012068A NO317603B1 (no) 1998-10-27 2001-04-26 Innretning og fremgangsmate for perseptuell veiing, for effektiv koding av bredbandssignaler
NO20012067A NO318627B1 (no) 1998-10-27 2001-04-26 Fremgangsmate og innretning for a gjenvinne hoyfrekvensinnhold av oversamplet, syntetisert bredbandssignal
NO20045257A NO20045257L (no) 1998-10-27 2004-12-01 Fremgangsmate og innretning for a gjenvinne hoyfrekvensinnhold av oversamplet, syntetisert bredbandssignal

Family Applications After (3)

Application Number Title Priority Date Filing Date
NO20012068A NO317603B1 (no) 1998-10-27 2001-04-26 Innretning og fremgangsmate for perseptuell veiing, for effektiv koding av bredbandssignaler
NO20012067A NO318627B1 (no) 1998-10-27 2001-04-26 Fremgangsmate og innretning for a gjenvinne hoyfrekvensinnhold av oversamplet, syntetisert bredbandssignal
NO20045257A NO20045257L (no) 1998-10-27 2004-12-01 Fremgangsmate og innretning for a gjenvinne hoyfrekvensinnhold av oversamplet, syntetisert bredbandssignal

Country Status (20)

Country Link
US (8) US6795805B1 (zh)
EP (4) EP1125285B1 (zh)
JP (4) JP3490685B2 (zh)
KR (3) KR100417836B1 (zh)
CN (4) CN1172292C (zh)
AT (4) ATE256910T1 (zh)
AU (4) AU763471B2 (zh)
BR (2) BR9914889B1 (zh)
CA (5) CA2252170A1 (zh)
DE (4) DE69913724T2 (zh)
DK (4) DK1125286T3 (zh)
ES (4) ES2205891T3 (zh)
HK (1) HK1043234B (zh)
MX (2) MXPA01004181A (zh)
NO (4) NO319181B1 (zh)
NZ (1) NZ511163A (zh)
PT (4) PT1125286E (zh)
RU (2) RU2217718C2 (zh)
WO (4) WO2000025305A1 (zh)
ZA (2) ZA200103366B (zh)

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