WO2002056635A3 - Systeme de reproduction de signaux audio haute fidelite et procede de fonctionnement - Google Patents

Systeme de reproduction de signaux audio haute fidelite et procede de fonctionnement Download PDF

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Publication number
WO2002056635A3
WO2002056635A3 PCT/EP2001/014377 EP0114377W WO02056635A3 WO 2002056635 A3 WO2002056635 A3 WO 2002056635A3 EP 0114377 W EP0114377 W EP 0114377W WO 02056635 A3 WO02056635 A3 WO 02056635A3
Authority
WO
WIPO (PCT)
Prior art keywords
audio signal
reproduction system
high fidelity
signal reproduction
processor
Prior art date
Application number
PCT/EP2001/014377
Other languages
English (en)
Other versions
WO2002056635A2 (fr
Inventor
John Joseph Spicer
Original Assignee
Roke Manor Research
John Joseph Spicer
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 Roke Manor Research, John Joseph Spicer filed Critical Roke Manor Research
Priority to AU2002224920A priority Critical patent/AU2002224920A1/en
Publication of WO2002056635A2 publication Critical patent/WO2002056635A2/fr
Publication of WO2002056635A3 publication Critical patent/WO2002056635A3/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/307—Frequency adjustment, e.g. tone control

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereophonic System (AREA)

Abstract

L'invention concerne un système de reproduction de signaux audio qui comprend un générateur de signaux haute fidélité (1) conçu pour fournir des signaux audio à des haut-parleurs (4, 5), par l'intermédiaire d'un processeur de signaux audio (6), ainsi qu'un récepteur de signaux audio (8) qui, en fonctionnement, est placé à côté d'un auditeur (7) de façon à recevoir un son des haut-parleurs semblable au son reçu par l'auditeur. Un échantillon du son reçu est retransmis au processeur et comparé avec les signaux audio produits par le générateur de signaux haute fidélité. Le processeur modifie les signaux audio fournis aux haut-parleurs en fonction du résultat de la comparaison de façon à minimiser les différences entre les signaux.
PCT/EP2001/014377 2001-01-09 2001-12-04 Systeme de reproduction de signaux audio haute fidelite et procede de fonctionnement WO2002056635A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002224920A AU2002224920A1 (en) 2001-01-09 2001-12-04 High fidelity audio signal reproduction system and method of operation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0100444.9 2001-01-09
GB0100444A GB0100444D0 (en) 2001-01-09 2001-01-09 Improvements in or relating to hi-fi audio systems

Publications (2)

Publication Number Publication Date
WO2002056635A2 WO2002056635A2 (fr) 2002-07-18
WO2002056635A3 true WO2002056635A3 (fr) 2003-05-22

Family

ID=9906429

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2001/014377 WO2002056635A2 (fr) 2001-01-09 2001-12-04 Systeme de reproduction de signaux audio haute fidelite et procede de fonctionnement

Country Status (3)

Country Link
AU (1) AU2002224920A1 (fr)
GB (1) GB0100444D0 (fr)
WO (1) WO2002056635A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1682567B (zh) 2002-09-09 2014-06-11 皇家飞利浦电子股份有限公司 智能扬声器
ATE428274T1 (de) 2003-05-06 2009-04-15 Harman Becker Automotive Sys Verarbeitungssystem fur stereo audiosignale
EP1722360B1 (fr) 2005-05-13 2014-03-19 Harman Becker Automotive Systems GmbH Système et procédé d'amélioration audio

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4628530A (en) * 1983-02-23 1986-12-09 U. S. Philips Corporation Automatic equalizing system with DFT and FFT
US5386478A (en) * 1993-09-07 1995-01-31 Harman International Industries, Inc. Sound system remote control with acoustic sensor
US5506910A (en) * 1994-01-13 1996-04-09 Sabine Musical Manufacturing Company, Inc. Automatic equalizer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4628530A (en) * 1983-02-23 1986-12-09 U. S. Philips Corporation Automatic equalizing system with DFT and FFT
US5386478A (en) * 1993-09-07 1995-01-31 Harman International Industries, Inc. Sound system remote control with acoustic sensor
US5506910A (en) * 1994-01-13 1996-04-09 Sabine Musical Manufacturing Company, Inc. Automatic equalizer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NUESSER R ET AL: "Bluetooth-based wireless connectivity in an automotive environment", VTC 2000-FALL. IEEE VTS 52ND. VEHICULAR TECHNOLOGY CONFERENCE. BOSTON, MA, SEPT. 24 - 28, 2000, IEEE VEHICULAR TECHNOLGY CONFERENCE, NEW YORK, NY: IEEE, US, vol. 4 OF 6. CONF. 52, 24 September 2000 (2000-09-24), pages 1935 - 1942, XP002216621, ISBN: 0-7803-6508-9 *

Also Published As

Publication number Publication date
GB0100444D0 (en) 2001-02-21
AU2002224920A1 (en) 2002-07-24
WO2002056635A2 (fr) 2002-07-18

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