NO317603B1 - Innretning og fremgangsmate for perseptuell veiing, for effektiv koding av bredbandssignaler - Google Patents

Innretning og fremgangsmate for perseptuell veiing, for effektiv koding av bredbandssignaler Download PDF

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Publication number
NO317603B1
NO317603B1 NO20012068A NO20012068A NO317603B1 NO 317603 B1 NO317603 B1 NO 317603B1 NO 20012068 A NO20012068 A NO 20012068A NO 20012068 A NO20012068 A NO 20012068A NO 317603 B1 NO317603 B1 NO 317603B1
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NO
Norway
Prior art keywords
signal
filter
transfer function
broadband signal
cellular
Prior art date
Application number
NO20012068A
Other languages
English (en)
Norwegian (no)
Other versions
NO20012068D0 (no
NO20012068L (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.)
Filing date
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=NO317603(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 NO20012068D0 publication Critical patent/NO20012068D0/no
Publication of NO20012068L publication Critical patent/NO20012068L/no
Publication of NO317603B1 publication Critical patent/NO317603B1/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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (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)
  • Mobile Radio Communication Systems (AREA)
  • Dc Digital Transmission (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Error Detection And Correction (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Image Processing (AREA)
  • Optical Communication System (AREA)
  • Networks Using Active Elements (AREA)
  • Television Systems (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Inorganic Insulating Materials (AREA)
  • Parts Printed On Printed Circuit Boards (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Package Frames And Binding Bands (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
NO20012068A 1998-10-27 2001-04-26 Innretning og fremgangsmate for perseptuell veiing, for effektiv koding av bredbandssignaler NO317603B1 (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/CA1999/001010 WO2000025304A1 (en) 1998-10-27 1999-10-27 Perceptual weighting device and method for efficient coding of wideband signals

Publications (3)

Publication Number Publication Date
NO20012068D0 NO20012068D0 (no) 2001-04-26
NO20012068L NO20012068L (no) 2001-06-27
NO317603B1 true NO317603B1 (no) 2004-11-22

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 Before (1)

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

Family Applications After (2)

Application Number Title Priority Date Filing Date
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) US7260521B1 (de)
EP (4) EP1125286B1 (de)
JP (4) JP3566652B2 (de)
KR (3) KR100417634B1 (de)
CN (4) CN1127055C (de)
AT (4) ATE246836T1 (de)
AU (4) AU6457099A (de)
BR (2) BR9914890B1 (de)
CA (5) CA2252170A1 (de)
DE (4) DE69910058T2 (de)
DK (4) DK1125276T3 (de)
ES (4) ES2205892T3 (de)
HK (1) HK1043234B (de)
MX (2) MXPA01004137A (de)
NO (4) NO319181B1 (de)
NZ (1) NZ511163A (de)
PT (4) PT1125284E (de)
RU (2) RU2217718C2 (de)
WO (4) WO2000025304A1 (de)
ZA (2) ZA200103367B (de)

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