DE60230682D1 - Audiovorrichtung und reproduktionsprogramm dafür - Google Patents

Audiovorrichtung und reproduktionsprogramm dafür

Info

Publication number
DE60230682D1
DE60230682D1 DE60230682T DE60230682T DE60230682D1 DE 60230682 D1 DE60230682 D1 DE 60230682D1 DE 60230682 T DE60230682 T DE 60230682T DE 60230682 T DE60230682 T DE 60230682T DE 60230682 D1 DE60230682 D1 DE 60230682D1
Authority
DE
Germany
Prior art keywords
signal
channel
input signal
processing device
correlation
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
DE60230682T
Other languages
English (en)
Inventor
Kazuhiro Kawana
Toshio Saito
Hareo Hamada
Noriyuki Hanawa
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.)
Dimagic Co Ltd
Original Assignee
Dimagic Co 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
Application filed by Dimagic Co Ltd filed Critical Dimagic Co Ltd
Application granted granted Critical
Publication of DE60230682D1 publication Critical patent/DE60230682D1/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 
    • H04S5/02—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 four-channel type, e.g. in which rear channel signals are derived from two-channel stereo signals
    • 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 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
DE60230682T 2002-05-13 2002-09-10 Audiovorrichtung und reproduktionsprogramm dafür Expired - Lifetime DE60230682D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002136917A JP3682032B2 (ja) 2002-05-13 2002-05-13 オーディオ装置並びにその再生用プログラム
PCT/JP2002/009205 WO2003096746A1 (fr) 2002-05-13 2002-09-10 Appareil audio et son programme de reproduction

Publications (1)

Publication Number Publication Date
DE60230682D1 true DE60230682D1 (de) 2009-02-12

Family

ID=29416800

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60230682T Expired - Lifetime DE60230682D1 (de) 2002-05-13 2002-09-10 Audiovorrichtung und reproduktionsprogramm dafür

Country Status (8)

Country Link
US (1) US7650000B2 (de)
EP (1) EP1507441B1 (de)
JP (1) JP3682032B2 (de)
KR (1) KR100721069B1 (de)
CN (1) CN100459817C (de)
AT (1) ATE419727T1 (de)
DE (1) DE60230682D1 (de)
WO (1) WO2003096746A1 (de)

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CN1314205C (zh) 2002-06-03 2007-05-02 松下电器产业株式会社 半导体集成电路
JP4418774B2 (ja) * 2005-05-13 2010-02-24 アルパイン株式会社 オーディオ装置およびサラウンド音生成方法
WO2007034806A1 (ja) * 2005-09-22 2007-03-29 Pioneer Corporation 信号処理装置、信号処理方法、信号処理プログラムおよびコンピュータに読み取り可能な記録媒体
US8340304B2 (en) * 2005-10-01 2012-12-25 Samsung Electronics Co., Ltd. Method and apparatus to generate spatial sound
KR100636252B1 (ko) * 2005-10-25 2006-10-19 삼성전자주식회사 공간 스테레오 사운드 생성 방법 및 장치
US7970564B2 (en) * 2006-05-02 2011-06-28 Qualcomm Incorporated Enhancement techniques for blind source separation (BSS)
EP1879292B1 (de) * 2006-07-10 2013-03-06 Harman Becker Automotive Systems GmbH Partitionierte schnelle Faltung
CA2675105C (en) 2006-08-22 2015-12-08 John Usher Methods and devices for audio upmixing
JP4804376B2 (ja) * 2007-01-30 2011-11-02 アルパイン株式会社 オーディオ装置
JP5213339B2 (ja) * 2007-03-12 2013-06-19 アルパイン株式会社 オーディオ装置
WO2008131201A1 (en) 2007-04-19 2008-10-30 Global Rainmakers, Inc. Method and system for biometric recognition
US8175871B2 (en) 2007-09-28 2012-05-08 Qualcomm Incorporated Apparatus and method of noise and echo reduction in multiple microphone audio systems
US8954324B2 (en) 2007-09-28 2015-02-10 Qualcomm Incorporated Multiple microphone voice activity detector
US8223988B2 (en) 2008-01-29 2012-07-17 Qualcomm Incorporated Enhanced blind source separation algorithm for highly correlated mixtures
JP2009225407A (ja) * 2008-03-19 2009-10-01 Pioneer Electronic Corp 音響装置、音声再生方法、音声再生プログラム及び記録媒体
JP5202090B2 (ja) 2008-05-07 2013-06-05 アルパイン株式会社 サラウンド生成装置
AU2009275418B9 (en) * 2008-07-31 2014-01-09 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Signal generation for binaural signals
US9503816B2 (en) 2010-09-14 2016-11-22 Pioneer Corporation Surround signal generating device, surround signal generating method and surround signal generating program
JP5604275B2 (ja) * 2010-12-02 2014-10-08 富士通テン株式会社 相関低減方法、音声信号変換装置および音響再生装置
US9538306B2 (en) 2012-02-03 2017-01-03 Panasonic Intellectual Property Management Co., Ltd. Surround component generator
US9820073B1 (en) 2017-05-10 2017-11-14 Tls Corp. Extracting a common signal from multiple audio signals
KR102468799B1 (ko) 2017-08-11 2022-11-18 삼성전자 주식회사 전자장치, 그 제어방법 및 그 컴퓨터프로그램제품

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JP2512038B2 (ja) * 1987-12-01 1996-07-03 松下電器産業株式会社 音場再生装置
US5434948A (en) * 1989-06-15 1995-07-18 British Telecommunications Public Limited Company Polyphonic coding
JPH0690500A (ja) * 1992-09-09 1994-03-29 Clarion Co Ltd 音像定位制御装置
DE69423922T2 (de) * 1993-01-27 2000-10-05 Koninkl Philips Electronics Nv Tonsignalverarbeitungsanordnung zur Ableitung eines Mittelkanalsignals und audiovisuelles Wiedergabesystem mit solcher Verarbeitungsanordnung
JP3579508B2 (ja) * 1995-07-05 2004-10-20 アルパイン株式会社 オーディオ装置
DE69637736D1 (de) * 1995-09-08 2008-12-18 Fujitsu Ltd Dreidimensionaler akustischer Prozessor mit Anwendung von linearen prädiktiven Koeffizienten
JP3780431B2 (ja) * 1997-01-31 2006-05-31 クラリオン株式会社 所定信号成分除去装置
US7242782B1 (en) * 1998-07-31 2007-07-10 Onkyo Kk Audio signal processing circuit
WO2000024226A1 (fr) * 1998-10-19 2000-04-27 Onkyo Corporation Systeme d'ambiophonie
US6683959B1 (en) * 1999-09-16 2004-01-27 Kawai Musical Instruments Mfg. Co., Ltd. Stereophonic device and stereophonic method
JP3964092B2 (ja) * 2000-02-17 2007-08-22 アルパイン株式会社 オーディオ用適応イコライザ及びフィルタ係数の決定方法
KR20020059593A (ko) * 2000-07-17 2002-07-13 요트.게.아. 롤페즈 방향 감지 및 중앙 신호들과 같은 보조 오디오 신호들을얻어내기 위한 입체음향 오디오 처리 장치
EP1295511A2 (de) * 2000-07-19 2003-03-26 Koninklijke Philips Electronics N.V. Mehrkanalstereokonverter zur gewinnung eines stereosurround- und/oder zentralen hörsignal
US7079660B2 (en) * 2001-04-16 2006-07-18 Rohm Co., Ltd. Bass compensation device and a sound system using the device
US6961422B2 (en) * 2001-12-28 2005-11-01 Avaya Technology Corp. Gain control method for acoustic echo cancellation and suppression

Also Published As

Publication number Publication date
JP2003333698A (ja) 2003-11-21
CN1625920A (zh) 2005-06-08
EP1507441A1 (de) 2005-02-16
CN100459817C (zh) 2009-02-04
KR20050000533A (ko) 2005-01-05
WO2003096746A1 (fr) 2003-11-20
ATE419727T1 (de) 2009-01-15
US7650000B2 (en) 2010-01-19
EP1507441A4 (de) 2006-05-31
JP3682032B2 (ja) 2005-08-10
US20060013101A1 (en) 2006-01-19
KR100721069B1 (ko) 2007-05-23
EP1507441B1 (de) 2008-12-31

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