WO2008142912A1 - オーディオ信号処理装置及びオーディオ信号処理方法 - Google Patents

オーディオ信号処理装置及びオーディオ信号処理方法 Download PDF

Info

Publication number
WO2008142912A1
WO2008142912A1 PCT/JP2008/056011 JP2008056011W WO2008142912A1 WO 2008142912 A1 WO2008142912 A1 WO 2008142912A1 JP 2008056011 W JP2008056011 W JP 2008056011W WO 2008142912 A1 WO2008142912 A1 WO 2008142912A1
Authority
WO
WIPO (PCT)
Prior art keywords
audio signal
signal processing
processing device
listening position
frequency
Prior art date
Application number
PCT/JP2008/056011
Other languages
English (en)
French (fr)
Inventor
Eiichi Kamino
Takashi Takeuchi
Philip Arthur Nelson
Original Assignee
D & M Holdings Inc.
Opsodis Limited
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 D & M Holdings Inc., Opsodis Limited filed Critical D & M Holdings Inc.
Publication of WO2008142912A1 publication Critical patent/WO2008142912A1/ja

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • H04R3/12Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • H04R3/12Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
    • H04R3/14Cross-over networks

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)

Abstract

 オーディオ信号を複数の周波数帯域に分割し、それぞれの周波数帯域に割り当てられたスピーカユニット対よりなるマルチウェイスピーカシステムに、帯域分割されたオーディオ信号を出力して立体音響効果を実現するオーディオ信号処理装置において、周波数帯域を分割するクロスオーバ周波数を聴取位置に対応付けて記憶する記憶部8と、聴取位置の入力を受け付けるための操作部10と、操作部10によって入力される聴取位置に対応付けて記憶部8に記憶されたクロスオーバ周波数に応じてオーディオ信号処理を行うオーディオ信号処理部3、7と、を備えた。  
PCT/JP2008/056011 2007-05-18 2008-03-28 オーディオ信号処理装置及びオーディオ信号処理方法 WO2008142912A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007132417 2007-05-18
JP2007-132417 2007-05-18

Publications (1)

Publication Number Publication Date
WO2008142912A1 true WO2008142912A1 (ja) 2008-11-27

Family

ID=40031628

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/056011 WO2008142912A1 (ja) 2007-05-18 2008-03-28 オーディオ信号処理装置及びオーディオ信号処理方法

Country Status (1)

Country Link
WO (1) WO2008142912A1 (ja)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63117198U (ja) * 1987-01-26 1988-07-28
JPH06315198A (ja) * 1993-04-28 1994-11-08 Sharp Corp 音声出力回路
JPH0833093A (ja) * 1994-07-12 1996-02-02 Sony Corp マルチウエイスピーカ装置
JP2004511118A (ja) * 2000-06-24 2004-04-08 アダプティブ オーディオ リミテッド 音響再生システム
WO2005015946A1 (ja) * 2003-08-07 2005-02-17 Matsushita Electric Industrial Co., Ltd. 映像受像機用スピーカシステム及びスピーカ設置方法
WO2006123461A1 (ja) * 2005-05-19 2006-11-23 D & M Holdings Inc. オーディオ信号処理装置、スピーカボックス、スピーカシステム及び映像音声出力装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63117198U (ja) * 1987-01-26 1988-07-28
JPH06315198A (ja) * 1993-04-28 1994-11-08 Sharp Corp 音声出力回路
JPH0833093A (ja) * 1994-07-12 1996-02-02 Sony Corp マルチウエイスピーカ装置
JP2004511118A (ja) * 2000-06-24 2004-04-08 アダプティブ オーディオ リミテッド 音響再生システム
WO2005015946A1 (ja) * 2003-08-07 2005-02-17 Matsushita Electric Industrial Co., Ltd. 映像受像機用スピーカシステム及びスピーカ設置方法
WO2006123461A1 (ja) * 2005-05-19 2006-11-23 D & M Holdings Inc. オーディオ信号処理装置、スピーカボックス、スピーカシステム及び映像音声出力装置

Similar Documents

Publication Publication Date Title
HK1144513A1 (en) Audio processing for compressed digital television
WO2009116800A3 (ko) 오브젝트중심의 입체음향 좌표표시를 갖는 디스플레이장치
EP4297439A3 (en) Method and apparatus for decoding stereo loudspeaker signals from a higher-order ambisonics audio signal
WO2012008923A8 (en) A method and apparatus for stereo enhancement of an audio system
EP4307718A3 (en) Audio enhancement for head-mounted speakers
WO2009031871A3 (en) A method and an apparatus of decoding an audio signal
WO2012088336A3 (en) Audio spatialization and environment simulation
EP2493211A3 (en) Headphone apparatus and sound reproduction method for the same
EP2426949A3 (en) Method and apparatus for reproducing front surround sound
JP2007288677A5 (ja)
UA107771C2 (en) Prediction-based fm stereo radio noise reduction
WO2010058211A3 (en) Apparatus for reproduction of sound
EP2429215A3 (en) Speaker device
WO2011135455A3 (en) Multi-segment ultrasound transducers
WO2012161555A3 (ko) 방향성 마이크 어레이를 이용한 신호 분리시스템 및 그 제공방법
EP3962105A4 (en) VIBRATING MEMBRANE FOR MINIATURE SOUND PRODUCTION DEVICE, AND MINIATURE SOUND PRODUCTION DEVICE
EP2530956A8 (en) Method for generating a surround audio signal from a mono/stereo audio signal
MY193418A (en) An audio signal processing apparatus and method for filtering an audio signal
WO2017218621A9 (en) Media-compensated pass-through and mode-switching
WO2009047871A1 (ja) エコー抑圧システム、エコー抑圧方法、エコー抑圧プログラム、エコー抑圧装置、音出力装置、オーディオシステム、ナビゲーションシステム及び移動体
EP4358546A3 (en) Headset with source detection and volume control
EP4131991A4 (en) ACOUSTIC SYSTEM
EP4297026A3 (en) Method for decoding and decoder.
WO2008132850A1 (ja) ステレオ音声符号化装置、ステレオ音声復号装置、およびこれらの方法
WO2012050382A3 (en) Method and apparatus for downmixing multi-channel audio signals

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08739135

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

NENP Non-entry into the national phase

Ref country code: JP

122 Ep: pct application non-entry in european phase

Ref document number: 08739135

Country of ref document: EP

Kind code of ref document: A1