EP0744881A3 - Kopfhörer-Wiedergabegerät - Google Patents

Kopfhörer-Wiedergabegerät Download PDF

Info

Publication number
EP0744881A3
EP0744881A3 EP96303604A EP96303604A EP0744881A3 EP 0744881 A3 EP0744881 A3 EP 0744881A3 EP 96303604 A EP96303604 A EP 96303604A EP 96303604 A EP96303604 A EP 96303604A EP 0744881 A3 EP0744881 A3 EP 0744881A3
Authority
EP
European Patent Office
Prior art keywords
channel input
sound
multiplier
pass filter
low
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.)
Granted
Application number
EP96303604A
Other languages
English (en)
French (fr)
Other versions
EP0744881A2 (de
EP0744881B1 (de
Inventor
Toshikazu Okada
Takuma Suzuki
Mitsuo Matsumoto
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan Ltd
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 JP7148323A external-priority patent/JP2900985B2/ja
Application filed by Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Publication of EP0744881A2 publication Critical patent/EP0744881A2/de
Publication of EP0744881A3 publication Critical patent/EP0744881A3/de
Application granted granted Critical
Publication of EP0744881B1 publication Critical patent/EP0744881B1/de
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 
    • 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
    • H04S7/302—Electronic adaptation of stereophonic sound system to listener position or orientation
    • H04S7/303—Tracking of listener position or orientation
    • H04S7/304—For headphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
EP96303604A 1995-05-22 1996-05-21 Kopfhörer-Wiedergabegerät Expired - Lifetime EP0744881B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP7148323A JP2900985B2 (ja) 1994-05-31 1995-05-22 ヘッドホン再生装置
JP148323/95 1995-05-22
JP14832395 1995-05-22

Publications (3)

Publication Number Publication Date
EP0744881A2 EP0744881A2 (de) 1996-11-27
EP0744881A3 true EP0744881A3 (de) 1999-06-09
EP0744881B1 EP0744881B1 (de) 2004-07-14

Family

ID=15450221

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96303604A Expired - Lifetime EP0744881B1 (de) 1995-05-22 1996-05-21 Kopfhörer-Wiedergabegerät

Country Status (5)

Country Link
EP (1) EP0744881B1 (de)
CN (1) CN1108083C (de)
DE (1) DE69632889T2 (de)
MY (1) MY124476A (de)
SG (1) SG89238A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW410527B (en) * 1998-01-08 2000-11-01 Sanyo Electric Co Stereo sound processing device
JP4295798B2 (ja) 2005-06-21 2009-07-15 独立行政法人科学技術振興機構 ミキシング装置及び方法並びにプログラム
WO2013076534A1 (en) * 2011-11-21 2013-05-30 Sony Ericsson Mobile Communications Ab Determining direction of a display associated with an earphone set
TWI498014B (zh) * 2012-07-11 2015-08-21 Univ Nat Cheng Kung 建立最佳化揚聲器聲場之方法
CN106714017B (zh) * 2015-07-17 2019-08-23 中兴通讯股份有限公司 一种调整耳机声场的方法、装置、终端及耳机
CN105307086A (zh) * 2015-11-18 2016-02-03 王宋伟 一种双声道耳机模拟环绕立体声的方法及系统
CN105578355B (zh) 2015-12-23 2019-02-26 惠州Tcl移动通信有限公司 一种增强虚拟现实眼镜音效的方法及系统
CN110740415B (zh) * 2018-07-20 2022-04-26 宏碁股份有限公司 音效输出装置、运算装置及其音效控制方法
CN109640226A (zh) * 2018-11-10 2019-04-16 东莞市华睿电子科技有限公司 一种耳机音频转换成虚拟声的控制方法
CN112437385A (zh) * 2020-11-19 2021-03-02 袁志钢 耳机

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2296340A1 (fr) * 1974-12-25 1976-07-23 Matsushita Electric Ind Co Ltd Systeme d'ecoute au casque
JPS58198999A (ja) * 1982-05-17 1983-11-19 Matsushita Electric Ind Co Ltd 音像制御装置
GB2220818A (en) * 1988-07-15 1990-01-17 Gary Keith Henry Stereo systems
JPH02219400A (ja) * 1989-02-20 1990-08-31 Sanyo Electric Co Ltd 立体音響再生装置
EP0464217A1 (de) * 1990-01-19 1992-01-08 Sony Corporation Gerät zur wiedergabe von tonsignalen
JPH0682242A (ja) * 1992-08-31 1994-03-22 Victor Co Of Japan Ltd ３次元位置・姿勢検出方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8900330D0 (en) * 1989-01-07 1990-04-25 British Aerospace Binaural display apparatus
WO1993026085A1 (en) * 1992-06-05 1993-12-23 Noise Cancellation Technologies Active/passive headset with speech filter

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2296340A1 (fr) * 1974-12-25 1976-07-23 Matsushita Electric Ind Co Ltd Systeme d'ecoute au casque
JPS58198999A (ja) * 1982-05-17 1983-11-19 Matsushita Electric Ind Co Ltd 音像制御装置
GB2220818A (en) * 1988-07-15 1990-01-17 Gary Keith Henry Stereo systems
JPH02219400A (ja) * 1989-02-20 1990-08-31 Sanyo Electric Co Ltd 立体音響再生装置
EP0464217A1 (de) * 1990-01-19 1992-01-08 Sony Corporation Gerät zur wiedergabe von tonsignalen
JPH0682242A (ja) * 1992-08-31 1994-03-22 Victor Co Of Japan Ltd ３次元位置・姿勢検出方法

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 14, no. 520 (E - 1002) 14 November 1990 (1990-11-14) *
PATENT ABSTRACTS OF JAPAN vol. 18, no. 333 (P - 1759) 23 June 1994 (1994-06-23) *
PATENT ABSTRACTS OF JAPAN vol. 8, no. 44 (E - 229) 25 February 1984 (1984-02-25) *

Also Published As

Publication number Publication date
MY124476A (en) 2006-06-30
EP0744881A2 (de) 1996-11-27
DE69632889D1 (de) 2004-08-19
SG89238A1 (en) 2002-06-18
DE69632889T2 (de) 2005-07-21
CN1140968A (zh) 1997-01-22
CN1108083C (zh) 2003-05-07
EP0744881B1 (de) 2004-07-14

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