DE69522883T2 - Vorrichtung zur bestimmung des signalspektrums eines digitalen breitbandsignals und zur ableitung einer bitzuweisungsinformation - Google Patents

Vorrichtung zur bestimmung des signalspektrums eines digitalen breitbandsignals und zur ableitung einer bitzuweisungsinformation

Info

Publication number
DE69522883T2
DE69522883T2 DE69522883T DE69522883T DE69522883T2 DE 69522883 T2 DE69522883 T2 DE 69522883T2 DE 69522883 T DE69522883 T DE 69522883T DE 69522883 T DE69522883 T DE 69522883T DE 69522883 T2 DE69522883 T2 DE 69522883T2
Authority
DE
Germany
Prior art keywords
signal
deriving
determining
assignment information
bit assignment
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.)
Expired - Fee Related
Application number
DE69522883T
Other languages
English (en)
Other versions
DE69522883D1 (de
Inventor
De Kerkhof Maria Van
Pope Ijtsma
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE69522883D1 publication Critical patent/DE69522883D1/de
Application granted granted Critical
Publication of DE69522883T2 publication Critical patent/DE69522883T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
DE69522883T 1994-05-19 1995-05-10 Vorrichtung zur bestimmung des signalspektrums eines digitalen breitbandsignals und zur ableitung einer bitzuweisungsinformation Expired - Fee Related DE69522883T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP94201427 1994-05-19
PCT/IB1995/000348 WO1995032556A1 (en) 1994-05-19 1995-05-10 Arrangement for determining a signal spectrum of a wideband digital signal and for deriving bit allocation information in response thereto

Publications (2)

Publication Number Publication Date
DE69522883D1 DE69522883D1 (de) 2001-10-31
DE69522883T2 true DE69522883T2 (de) 2002-04-11

Family

ID=8216890

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69522883T Expired - Fee Related DE69522883T2 (de) 1994-05-19 1995-05-10 Vorrichtung zur bestimmung des signalspektrums eines digitalen breitbandsignals und zur ableitung einer bitzuweisungsinformation

Country Status (5)

Country Link
US (1) US5784533A (de)
EP (1) EP0707761B1 (de)
JP (1) JP3830106B2 (de)
DE (1) DE69522883T2 (de)
WO (1) WO1995032556A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100261254B1 (ko) * 1997-04-02 2000-07-01 윤종용 비트율 조절이 가능한 오디오 데이터 부호화/복호화방법 및 장치
US5903872A (en) * 1997-10-17 1999-05-11 Dolby Laboratories Licensing Corporation Frame-based audio coding with additional filterbank to attenuate spectral splatter at frame boundaries

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8700985A (nl) * 1987-04-27 1988-11-16 Philips Nv Systeem voor sub-band codering van een digitaal audiosignaal.
US5222189A (en) * 1989-01-27 1993-06-22 Dolby Laboratories Licensing Corporation Low time-delay transform coder, decoder, and encoder/decoder for high-quality audio
EP0400222A1 (de) * 1989-06-02 1990-12-05 ETAT FRANCAIS représenté par le Ministère des Postes, des Télécommunications et de l'Espace Digitales Übertragungssystem unter Verwendung der Teilbandkodierung eines digitalen Signals
NL9000338A (nl) * 1989-06-02 1991-01-02 Koninkl Philips Electronics Nv Digitaal transmissiesysteem, zender en ontvanger te gebruiken in het transmissiesysteem en registratiedrager verkregen met de zender in de vorm van een optekeninrichting.
CA2032765C (en) * 1989-12-21 1995-12-12 Hidetaka Yoshikawa Variable rate encoding and communicating apparatus
NL9001127A (nl) * 1990-05-14 1991-12-02 Philips Nv Kodeerinrichting bevattende een subbandkoder, en een zender voorzien van de kodeerinrichting.
US5367608A (en) * 1990-05-14 1994-11-22 U.S. Philips Corporation Transmitter, encoding system and method employing use of a bit allocation unit for subband coding a digital signal
NL9001128A (nl) * 1990-05-14 1991-12-02 Philips Nv Kodeerinrichting bevattende een subbandkoder, en een zender voorzien van de kodeerinrichting.
JP3033156B2 (ja) * 1990-08-24 2000-04-17 ソニー株式会社 ディジタル信号符号化装置
US5365553A (en) * 1990-11-30 1994-11-15 U.S. Philips Corporation Transmitter, encoding system and method employing use of a bit need determiner for subband coding a digital signal
ES2087522T3 (es) * 1991-01-08 1996-07-16 Dolby Lab Licensing Corp Descodificacion/codificacion para campos sonoros multidimensionales.

Also Published As

Publication number Publication date
DE69522883D1 (de) 2001-10-31
JP3830106B2 (ja) 2006-10-04
US5784533A (en) 1998-07-21
JPH09501037A (ja) 1997-01-28
EP0707761A1 (de) 1996-04-24
WO1995032556A1 (en) 1995-11-30
EP0707761B1 (de) 2001-09-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee