EP1054575A3 - Décodeur directionnel - Google Patents

Décodeur directionnel Download PDF

Info

Publication number
EP1054575A3
EP1054575A3 EP00304128A EP00304128A EP1054575A3 EP 1054575 A3 EP1054575 A3 EP 1054575A3 EP 00304128 A EP00304128 A EP 00304128A EP 00304128 A EP00304128 A EP 00304128A EP 1054575 A3 EP1054575 A3 EP 1054575A3
Authority
EP
European Patent Office
Prior art keywords
directional decoding
correlation
decoding
directional
uncorrelation
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.)
Withdrawn
Application number
EP00304128A
Other languages
German (de)
English (en)
Other versions
EP1054575A2 (fr
Inventor
Richard J. Aylward
Hilmar Lehnert
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.)
Bose Corp
Original Assignee
Bose 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
Priority claimed from US09/313,058 external-priority patent/US7016501B1/en
Application filed by Bose Corp filed Critical Bose Corp
Publication of EP1054575A2 publication Critical patent/EP1054575A2/fr
Publication of EP1054575A3 publication Critical patent/EP1054575A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • H04S5/005—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo five- or more-channel type, e.g. virtual surround
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/05—Generation or adaptation of centre channel in multi-channel audio systems

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
EP00304128A 1999-05-17 2000-05-16 Décodeur directionnel Withdrawn EP1054575A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US313058 1981-10-19
US09/313,058 US7016501B1 (en) 1997-02-07 1999-05-17 Directional decoding

Publications (2)

Publication Number Publication Date
EP1054575A2 EP1054575A2 (fr) 2000-11-22
EP1054575A3 true EP1054575A3 (fr) 2002-09-18

Family

ID=23214203

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00304128A Withdrawn EP1054575A3 (fr) 1999-05-17 2000-05-16 Décodeur directionnel

Country Status (3)

Country Link
EP (1) EP1054575A3 (fr)
JP (1) JP2000350300A (fr)
CN (1) CN100349497C (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004019656A2 (fr) * 2001-02-07 2004-03-04 Dolby Laboratories Licensing Corporation Modulation spatiale de canal audio
MXPA03007064A (es) * 2001-02-07 2004-05-24 Dolby Lab Licensing Corp Conversion de canales de audio.
US7660424B2 (en) 2001-02-07 2010-02-09 Dolby Laboratories Licensing Corporation Audio channel spatial translation
BR0305746A (pt) * 2002-08-07 2004-12-07 Dolby Lab Licensing Corp Tradução espacial de canal de áudio
ATE390683T1 (de) * 2004-03-01 2008-04-15 Dolby Lab Licensing Corp Mehrkanalige audiocodierung
ES2333137T3 (es) * 2004-07-14 2010-02-17 Koninklijke Philips Electronics N.V. Conversion de canal de audio.
US7283634B2 (en) * 2004-08-31 2007-10-16 Dts, Inc. Method of mixing audio channels using correlated outputs
US7787631B2 (en) * 2004-11-30 2010-08-31 Agere Systems Inc. Parametric coding of spatial audio with cues based on transmitted channels
US7411528B2 (en) 2005-07-11 2008-08-12 Lg Electronics Co., Ltd. Apparatus and method of processing an audio signal
KR100857105B1 (ko) 2005-09-14 2008-09-05 엘지전자 주식회사 오디오 신호의 디코딩 방법 및 장치
CN101341533B (zh) * 2005-09-14 2012-04-18 Lg电子株式会社 解码音频信号的方法和装置
CN101411214B (zh) * 2006-03-28 2011-08-10 艾利森电话股份有限公司 用于多信道环绕声音的解码器的方法和装置
US12125492B2 (en) 2015-09-25 2024-10-22 Voiceage Coproration Method and system for decoding left and right channels of a stereo sound signal
US10319385B2 (en) 2015-09-25 2019-06-11 Voiceage Corporation Method and system for encoding left and right channels of a stereo sound signal selecting between two and four sub-frames models depending on the bit budget

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01144900A (ja) * 1987-12-01 1989-06-07 Matsushita Electric Ind Co Ltd 音場再生装置
US5046098A (en) * 1985-03-07 1991-09-03 Dolby Laboratories Licensing Corporation Variable matrix decoder with three output channels
JPH05236599A (ja) * 1992-02-21 1993-09-10 Clarion Co Ltd ３スピーカの音響再生装置
EP0593128A1 (fr) * 1992-10-15 1994-04-20 Koninklijke Philips Electronics N.V. Système de dérivation pour obtenir un signal de canal central à partir d'un signal audio stéréophonique

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03110999A (ja) * 1989-09-25 1991-05-10 Sharp Corp ４チャンネル・ステレオ強調回路
US5572591A (en) 1993-03-09 1996-11-05 Matsushita Electric Industrial Co., Ltd. Sound field controller
US5727068A (en) 1996-03-01 1998-03-10 Cinema Group, Ltd. Matrix decoding method and apparatus
US6711266B1 (en) * 1997-02-07 2004-03-23 Bose Corporation Surround sound channel encoding and decoding

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5046098A (en) * 1985-03-07 1991-09-03 Dolby Laboratories Licensing Corporation Variable matrix decoder with three output channels
JPH01144900A (ja) * 1987-12-01 1989-06-07 Matsushita Electric Ind Co Ltd 音場再生装置
JPH05236599A (ja) * 1992-02-21 1993-09-10 Clarion Co Ltd ３スピーカの音響再生装置
EP0593128A1 (fr) * 1992-10-15 1994-04-20 Koninklijke Philips Electronics N.V. Système de dérivation pour obtenir un signal de canal central à partir d'un signal audio stéréophonique

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 013, no. 404 (E - 817) 7 September 1989 (1989-09-07) *
PATENT ABSTRACTS OF JAPAN vol. 017, no. 698 (E - 1481) 20 December 1993 (1993-12-20) *

Also Published As

Publication number Publication date
CN100349497C (zh) 2007-11-14
JP2000350300A (ja) 2000-12-15
EP1054575A2 (fr) 2000-11-22
HK1032705A1 (en) 2001-07-27
CN1281329A (zh) 2001-01-24

Similar Documents

Publication Publication Date Title
EP1054575A3 (fr) Décodeur directionnel
USRE37201E1 (en) Jewelry setting
AU2518497A (en) Processing of video signals prior to compression
AU2001266850A1 (en) Concept-based search and retrieval system
AU3298797A (en) Snap-action pipe coupling retainer
AU1964197A (en) In-ear-canal audio receiver and stethoscope having the same
AU4217397A (en) Data compression and expansion of an audio signal
AU9315998A (en) Improved directional microphone audio system
AU2001267974A1 (en) Synchronisation of audio and video signals
AU2865597A (en) Loudness-controlled processing of acoustic signals
WO2000063247A3 (fr) Agents chimiotactiques et inhibants tires de l'osteopontine et leurs utilisations
AU2646497A (en) Amplification of nucleic acids
EP1021063A3 (fr) Traitement de signal audio
EP0829538A3 (fr) Protéines de reconnaissance des peptidoglycanes et leur production
GB0225204D0 (en) GPS receiver
AU1685797A (en) Rapid microbial protease assay
AU4998100A (en) Methods of using percarboxylic acid or anions thereof and methods of making the same
AU1534999A (en) Weather-resistant mineral and protein supplement feeds, and methods of making same
AU3305699A (en) Prostate-specific membrane antigens and methods of making and using
BG104707A (en) Caspase-8 interacting proteins
EP1109927A4 (fr) Amidons dilues par enzyme
WO2001068846A3 (fr) Proteine transactivatrice transcriptionnelle
AU2001286139A1 (en) Joint data detection and channel estimation, preferably of ds/cdma signals
EP0782335A3 (fr) L'inclusion du signal sonore dans les extrémités de la partie active du signal vidéo
AU2707897A (en) Direct electrochemistry of enzymes

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 20030305

AKX Designation fees paid

Designated state(s): DE FR

17Q First examination report despatched

Effective date: 20101013

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Effective date: 20111107