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FR2738099B1 - Procede de simulation de la qualite acoustique d'une salle et processeur audio-numerique associe - Google Patents

Procede de simulation de la qualite acoustique d'une salle et processeur audio-numerique associe

Info

Publication number
FR2738099B1
FR2738099B1 FR9510111A FR9510111A FR2738099B1 FR 2738099 B1 FR2738099 B1 FR 2738099B1 FR 9510111 A FR9510111 A FR 9510111A FR 9510111 A FR9510111 A FR 9510111A FR 2738099 B1 FR2738099 B1 FR 2738099B1
Authority
FR
France
Prior art keywords
simulating
room
digital processor
associated audio
acoustic quality
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 - Lifetime
Application number
FR9510111A
Other languages
English (en)
Other versions
FR2738099A1 (fr
Inventor
Jean Marc Jot
Jean Pascal Jullien
Olivier Warusfel
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.)
Orange SA
Original Assignee
France Telecom SA
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 France Telecom SA filed Critical France Telecom SA
Priority to FR9510111A priority Critical patent/FR2738099B1/fr
Priority to US08/700,073 priority patent/US5812674A/en
Priority to GB9617477A priority patent/GB2305092B/en
Priority to DE19634155A priority patent/DE19634155B4/de
Publication of FR2738099A1 publication Critical patent/FR2738099A1/fr
Application granted granted Critical
Publication of FR2738099B1 publication Critical patent/FR2738099B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/305—Electronic adaptation of stereophonic audio signals to reverberation of the listening space
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00—Public address systems
    • 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
    • H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Stereophonic System (AREA)
FR9510111A 1995-08-25 1995-08-25 Procede de simulation de la qualite acoustique d'une salle et processeur audio-numerique associe Expired - Lifetime FR2738099B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR9510111A FR2738099B1 (fr) 1995-08-25 1995-08-25 Procede de simulation de la qualite acoustique d'une salle et processeur audio-numerique associe
US08/700,073 US5812674A (en) 1995-08-25 1996-08-20 Method to simulate the acoustical quality of a room and associated audio-digital processor
GB9617477A GB2305092B (en) 1995-08-25 1996-08-20 Method to simulate the acoustical quality of a room and associated audio-digital processor
DE19634155A DE19634155B4 (de) 1995-08-25 1996-08-23 Verfahren zur Simulation der akustischen Qualität eines Raumes und damit verbundener Audio-Digitaler Prozessor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9510111A FR2738099B1 (fr) 1995-08-25 1995-08-25 Procede de simulation de la qualite acoustique d'une salle et processeur audio-numerique associe

Publications (2)

Publication Number Publication Date
FR2738099A1 FR2738099A1 (fr) 1997-02-28
FR2738099B1 true FR2738099B1 (fr) 1997-10-24

Family

ID=9482103

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9510111A Expired - Lifetime FR2738099B1 (fr) 1995-08-25 1995-08-25 Procede de simulation de la qualite acoustique d'une salle et processeur audio-numerique associe

Country Status (4)

Country Link
US (1) US5812674A (fr)
DE (1) DE19634155B4 (fr)
FR (1) FR2738099B1 (fr)
GB (1) GB2305092B (fr)

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Also Published As

Publication number Publication date
DE19634155B4 (de) 2010-11-18
GB9617477D0 (en) 1996-10-02
DE19634155A1 (de) 1997-02-27
FR2738099A1 (fr) 1997-02-28
US5812674A (en) 1998-09-22
GB2305092A (en) 1997-03-26
GB2305092B (en) 1999-10-27

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