WO2000070913A2 - Centralizing of a spatially expanded stereophonic audio image - Google Patents

Centralizing of a spatially expanded stereophonic audio image Download PDF

Info

Publication number
WO2000070913A2
WO2000070913A2 PCT/US2000/013049 US0013049W WO0070913A2 WO 2000070913 A2 WO2000070913 A2 WO 2000070913A2 US 0013049 W US0013049 W US 0013049W WO 0070913 A2 WO0070913 A2 WO 0070913A2
Authority
WO
WIPO (PCT)
Prior art keywords
signal
frequencies
audio system
bass
treble
Prior art date
Application number
PCT/US2000/013049
Other languages
English (en)
French (fr)
Other versions
WO2000070913A9 (en
WO2000070913A3 (en
Inventor
Robert Edward Morris, Jr.
Original Assignee
Thomson Licensing S.A.
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 Thomson Licensing S.A. filed Critical Thomson Licensing S.A.
Priority to AU50081/00A priority Critical patent/AU5008100A/en
Priority to US10/009,141 priority patent/US6711265B1/en
Priority to MXPA01011426A priority patent/MXPA01011426A/es
Priority to EP00932346A priority patent/EP1177707B1/en
Priority to DE60013807T priority patent/DE60013807T2/de
Priority to JP2000619239A priority patent/JP4868647B2/ja
Publication of WO2000070913A2 publication Critical patent/WO2000070913A2/en
Publication of WO2000070913A3 publication Critical patent/WO2000070913A3/en
Publication of WO2000070913A9 publication Critical patent/WO2000070913A9/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • 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
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
    • 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

Definitions

  • the gyrator 34 comprises a general purpose transistor 42 having an emitter electrode coupled to ground through resistor 44, and a base electrode biased through resistor 46.
  • the gyrator 34 configuration shown is merely exemplary and is chosen to provide the required operation with a minimum cost of parts.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
PCT/US2000/013049 1999-05-13 2000-05-12 Centralizing of a spatially expanded stereophonic audio image WO2000070913A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
AU50081/00A AU5008100A (en) 1999-05-13 2000-05-12 Centralizing of a spatially expanded stereophonic audio image
US10/009,141 US6711265B1 (en) 1999-05-13 2000-05-12 Centralizing of a spatially expanded stereophonic audio image
MXPA01011426A MXPA01011426A (es) 1999-05-13 2000-05-12 Centralizacion de una imagen de audio estereofonica expandida en forma espacial.
EP00932346A EP1177707B1 (en) 1999-05-13 2000-05-12 Centralizing of a spatially expanded stereophonic audio image
DE60013807T DE60013807T2 (de) 1999-05-13 2000-05-12 Zentrierung eines räumlich erweiterten stereophonischen tonbildes
JP2000619239A JP4868647B2 (ja) 1999-05-13 2000-05-12 空間的拡張ステレオ・オーディオ・イメージのセントラライジング

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13400599P 1999-05-13 1999-05-13
US60/134,005 1999-05-13

Publications (3)

Publication Number Publication Date
WO2000070913A2 true WO2000070913A2 (en) 2000-11-23
WO2000070913A3 WO2000070913A3 (en) 2001-08-16
WO2000070913A9 WO2000070913A9 (en) 2002-04-18

Family

ID=22461328

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/013049 WO2000070913A2 (en) 1999-05-13 2000-05-12 Centralizing of a spatially expanded stereophonic audio image

Country Status (8)

Country Link
EP (1) EP1177707B1 (US20070244113A1-20071018-C00087.png)
JP (1) JP4868647B2 (US20070244113A1-20071018-C00087.png)
KR (1) KR100699454B1 (US20070244113A1-20071018-C00087.png)
CN (1) CN1227950C (US20070244113A1-20071018-C00087.png)
AU (1) AU5008100A (US20070244113A1-20071018-C00087.png)
DE (1) DE60013807T2 (US20070244113A1-20071018-C00087.png)
MX (1) MXPA01011426A (US20070244113A1-20071018-C00087.png)
WO (1) WO2000070913A2 (US20070244113A1-20071018-C00087.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2419265A (en) * 2004-10-18 2006-04-19 Wolfson Ltd Processing of stereo audio signals

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7675828B2 (en) 2003-02-25 2010-03-09 Lg Electronics Inc. Recording medium having data structure for managing at least a data area of the recording medium and recording and reproducing methods and apparatuses
CN100520948C (zh) * 2003-03-03 2009-07-29 三星电子株式会社 用于管理记录介质的缺陷的方法
CN100580779C (zh) 2003-07-04 2010-01-13 Lg电子株式会社 用于管理一次写入光盘上的重写记录的方法和装置
KR101113866B1 (ko) 2004-03-19 2012-03-02 엘지전자 주식회사 기록매체내에 기록되는 데이터 구조 및 데이터 기록방법과기록장치
KR101024916B1 (ko) 2004-03-19 2011-03-31 엘지전자 주식회사 1회 기록 가능한 고밀도 광디스크의 데이터 기록 방법 및장치
KR101049117B1 (ko) 2004-06-08 2011-07-14 엘지전자 주식회사 1회 기록 가능한 광디스크 및 광디스크의 관리정보 기록방법, 디스크 클로징 방법 및 기록재생 장치
KR101014727B1 (ko) 2004-06-23 2011-02-16 엘지전자 주식회사 1회 기록 가능한 광디스크의 중첩 기록 방법 및 장치
KR101012378B1 (ko) 2004-08-16 2011-02-09 엘지전자 주식회사 광 저장매체의 기록 재생 방법 및 장치
US7500137B2 (en) 2004-09-14 2009-03-03 Lg Electronics Inc. Recording medium, and method and apparatus of recording and reproducing data on the same
KR101227485B1 (ko) 2005-11-25 2013-01-29 엘지전자 주식회사 기록매체 및 기록매체의 결함관리 정보 기록방법과기록장치
KR20070058291A (ko) 2005-12-02 2007-06-08 엘지전자 주식회사 기록매체, 기록매체의 관리정보 기록방법 및 기록장치

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4229716A (en) * 1979-05-15 1980-10-21 Northern Telecom Limited Amplitude equalizer circuit
US4451927A (en) * 1982-03-24 1984-05-29 Harris Corporation Separation correction method and apparatus for plural channel transmission system
US4866774A (en) * 1988-11-02 1989-09-12 Hughes Aircraft Company Stero enhancement and directivity servo

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4748669A (en) * 1986-03-27 1988-05-31 Hughes Aircraft Company Stereo enhancement system
US4759065A (en) * 1986-09-22 1988-07-19 Harman International Industries, Incorporated Automotive sound system
JP2767389B2 (ja) * 1994-11-08 1998-06-18 ローム株式会社 イコライザおよびこれを用いるオーディオ装置
US5692050A (en) * 1995-06-15 1997-11-25 Binaura Corporation Method and apparatus for spatially enhancing stereo and monophonic signals
JPH09252500A (ja) * 1996-03-15 1997-09-22 Shuichi Sato 音響機器におけるステレオ再生方式
DE59611450D1 (de) * 1996-05-17 2008-01-03 Micronas Gmbh Raumklangsystem

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4229716A (en) * 1979-05-15 1980-10-21 Northern Telecom Limited Amplitude equalizer circuit
US4451927A (en) * 1982-03-24 1984-05-29 Harris Corporation Separation correction method and apparatus for plural channel transmission system
US4866774A (en) * 1988-11-02 1989-09-12 Hughes Aircraft Company Stero enhancement and directivity servo

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2419265A (en) * 2004-10-18 2006-04-19 Wolfson Ltd Processing of stereo audio signals
US7466831B2 (en) 2004-10-18 2008-12-16 Wolfson Microelectronics Plc Audio processing
GB2419265B (en) * 2004-10-18 2009-03-11 Wolfson Ltd Improved audio processing

Also Published As

Publication number Publication date
WO2000070913A9 (en) 2002-04-18
CN1364393A (zh) 2002-08-14
DE60013807D1 (de) 2004-10-21
WO2000070913A3 (en) 2001-08-16
KR100699454B1 (ko) 2007-03-27
MXPA01011426A (es) 2002-06-04
JP2003500916A (ja) 2003-01-07
EP1177707B1 (en) 2004-09-15
KR20010110799A (ko) 2001-12-13
JP4868647B2 (ja) 2012-02-01
CN1227950C (zh) 2005-11-16
EP1177707A2 (en) 2002-02-06
AU5008100A (en) 2000-12-05
DE60013807T2 (de) 2005-04-14

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