CA2236649A1 - Methode et appareil pour l'encodage de signaux numeriques destines a la transmission et/ou au stockage, et pour le decodage de tels signaux suite a la transmissions et/ou au stockage - Google Patents

Methode et appareil pour l'encodage de signaux numeriques destines a la transmission et/ou au stockage, et pour le decodage de tels signaux suite a la transmissions et/ou au stockage Download PDF

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Publication number
CA2236649A1
CA2236649A1 CA 2236649 CA2236649A CA2236649A1 CA 2236649 A1 CA2236649 A1 CA 2236649A1 CA 2236649 CA2236649 CA 2236649 CA 2236649 A CA2236649 A CA 2236649A CA 2236649 A1 CA2236649 A1 CA 2236649A1
Authority
CA
Canada
Prior art keywords
subband signals
signal
values
delay means
subband
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
CA 2236649
Other languages
English (en)
Inventor
Tet Hin Yeap
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.)
Bell Canada Inc
Original Assignee
Bell Canada Inc
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 Bell Canada Inc filed Critical Bell Canada Inc
Priority to CA 2236649 priority Critical patent/CA2236649A1/fr
Priority to DE69811688T priority patent/DE69811688T2/de
Priority to AU89678/98A priority patent/AU8967898A/en
Priority to EP98941177A priority patent/EP1010307B1/fr
Priority to CA002301866A priority patent/CA2301866A1/fr
Priority to PCT/CA1998/000816 priority patent/WO1999012317A1/fr
Publication of CA2236649A1 publication Critical patent/CA2236649A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0004—Modulated-carrier systems using wavelets

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CA 2236649 1997-08-29 1998-05-05 Methode et appareil pour l'encodage de signaux numeriques destines a la transmission et/ou au stockage, et pour le decodage de tels signaux suite a la transmissions et/ou au stockage Abandoned CA2236649A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CA 2236649 CA2236649A1 (fr) 1998-05-05 1998-05-05 Methode et appareil pour l'encodage de signaux numeriques destines a la transmission et/ou au stockage, et pour le decodage de tels signaux suite a la transmissions et/ou au stockage
DE69811688T DE69811688T2 (de) 1997-08-29 1998-08-28 Digitale übertragung mit teilbandkodierung
AU89678/98A AU8967898A (en) 1997-08-29 1998-08-28 Digital transmission using subband coding
EP98941177A EP1010307B1 (fr) 1997-08-29 1998-08-28 Transmission numerique a codage par sous-bandes
CA002301866A CA2301866A1 (fr) 1997-08-29 1998-08-28 Transmission numerique a codage de sous-bande
PCT/CA1998/000816 WO1999012317A1 (fr) 1997-08-29 1998-08-28 Transmission numerique a codage de sous-bande

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2236649 CA2236649A1 (fr) 1998-05-05 1998-05-05 Methode et appareil pour l'encodage de signaux numeriques destines a la transmission et/ou au stockage, et pour le decodage de tels signaux suite a la transmissions et/ou au stockage

Publications (1)

Publication Number Publication Date
CA2236649A1 true CA2236649A1 (fr) 1999-11-05

Family

ID=29275646

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2236649 Abandoned CA2236649A1 (fr) 1997-08-29 1998-05-05 Methode et appareil pour l'encodage de signaux numeriques destines a la transmission et/ou au stockage, et pour le decodage de tels signaux suite a la transmissions et/ou au stockage

Country Status (1)

Country Link
CA (1) CA2236649A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210383818A1 (en) * 2015-12-14 2021-12-09 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for processing an encoded audio signal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210383818A1 (en) * 2015-12-14 2021-12-09 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for processing an encoded audio signal
US11862184B2 (en) * 2015-12-14 2024-01-02 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for processing an encoded audio signal by upsampling a core audio signal to upsampled spectra with higher frequencies and spectral width

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