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EP1057366A4 - Microphone apparatus for producing signals for surround reproduction - Google Patents

Microphone apparatus for producing signals for surround reproduction

Info

Publication number
EP1057366A4
EP1057366A4 EP99903210A EP99903210A EP1057366A4 EP 1057366 A4 EP1057366 A4 EP 1057366A4 EP 99903210 A EP99903210 A EP 99903210A EP 99903210 A EP99903210 A EP 99903210A EP 1057366 A4 EP1057366 A4 EP 1057366A4
Authority
EP
European Patent Office
Prior art keywords
microphone apparatus
producing signals
surround reproduction
reproduction
surround
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Withdrawn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
EP99903210A
Other languages
German (de)
French (fr)
Other versions
EP1057366A1 (en
Inventor
Roger S Keller
John J Iredale
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1057366A1 publication Critical patent/EP1057366A1/en
Publication of EP1057366A4 publication Critical patent/EP1057366A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/027—Spatial or constructional arrangements of microphones, e.g. in dummy heads
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Circuit For Audible Band Transducer (AREA)
EP99903210A 1998-01-20 1999-01-20 Microphone apparatus for producing signals for surround reproduction Withdrawn EP1057366A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US899398A 1998-01-20 1998-01-20
US8993 1998-01-20
PCT/US1999/001167 WO1999037120A1 (en) 1998-01-20 1999-01-20 Microphone apparatus for producing signals for surround reproduction

Publications (2)

Publication Number Publication Date
EP1057366A1 EP1057366A1 (en) 2000-12-06
EP1057366A4 true EP1057366A4 (en) 2007-10-17

Family

ID=21734933

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99903210A Withdrawn EP1057366A4 (en) 1998-01-20 1999-01-20 Microphone apparatus for producing signals for surround reproduction

Country Status (3)

Country Link
EP (1) EP1057366A4 (en)
AU (1) AU2328799A (en)
WO (1) WO1999037120A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7224385B2 (en) * 2001-04-27 2007-05-29 Sony Corporation Video camera with multiple microphones and audio processor producing one signal for recording

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4072821A (en) * 1976-05-10 1978-02-07 Cbs Inc. Microphone system for producing signals for quadraphonic reproduction
US4096353A (en) * 1976-11-02 1978-06-20 Cbs Inc. Microphone system for producing signals for quadraphonic reproduction
JPH05284592A (en) * 1992-04-02 1993-10-29 Sony Corp Microphone

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6019269U (en) * 1983-07-15 1985-02-09 オリンパス光学工業株式会社 Video camera
US4764817A (en) * 1987-06-10 1988-08-16 Leonard Bloom Video recording camera
US4947437A (en) * 1989-08-30 1990-08-07 Firebaugh William H Stereo microphone
JP2946638B2 (en) * 1990-05-22 1999-09-06 ソニー株式会社 Built-in stereo microphone
US5361378A (en) * 1991-02-26 1994-11-01 Traini Jr Vespucci B Camcorder stereo mic/phones

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4072821A (en) * 1976-05-10 1978-02-07 Cbs Inc. Microphone system for producing signals for quadraphonic reproduction
US4096353A (en) * 1976-11-02 1978-06-20 Cbs Inc. Microphone system for producing signals for quadraphonic reproduction
JPH05284592A (en) * 1992-04-02 1993-10-29 Sony Corp Microphone

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9937120A1 *

Also Published As

Publication number Publication date
AU2328799A (en) 1999-08-02
WO1999037120A1 (en) 1999-07-22
EP1057366A1 (en) 2000-12-06

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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

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17P Request for examination filed

Effective date: 20000818

AK Designated contracting states

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Effective date: 20070814

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

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Effective date: 20080610