ATE419727T1 - Audiovorrichtung und reproduktionsprogramm dafür - Google Patents

Audiovorrichtung und reproduktionsprogramm dafür

Info

Publication number
ATE419727T1
ATE419727T1 AT02760819T AT02760819T ATE419727T1 AT E419727 T1 ATE419727 T1 AT E419727T1 AT 02760819 T AT02760819 T AT 02760819T AT 02760819 T AT02760819 T AT 02760819T AT E419727 T1 ATE419727 T1 AT E419727T1
Authority
AT
Austria
Prior art keywords
signal
channel
input signal
processing device
correlation
Prior art date
Application number
AT02760819T
Other languages
English (en)
Inventor
Kazuhiro Kawana
Toshio Saito
Hareo Hamada
Noriyuki Hanawa
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 ATE419727T1 publication Critical patent/ATE419727T1/de

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
AT02760819T 2002-05-13 2002-09-10 Audiovorrichtung und reproduktionsprogramm dafür ATE419727T1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ATE419727T1 true ATE419727T1 (de) 2009-01-15

Family

ID=29416800

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02760819T ATE419727T1 (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
US20090252339A1 (en) * 2005-09-22 2009-10-08 Pioneer Corporation Signal processing device, signal processing method, signal processing program, and computer readable recording medium
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
US8335330B2 (en) * 2006-08-22 2012-12-18 Fundacio Barcelona Media Universitat Pompeu Fabra 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
PL2384029T3 (pl) * 2008-07-31 2015-04-30 Fraunhofer Ges Forschung Generowanie sygnału dla sygnałów dwuusznych
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
JP6124143B2 (ja) 2012-02-03 2017-05-10 パナソニックＩｐマネジメント株式会社 サラウンド成分生成装置
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
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JP3579508B2 (ja) * 1995-07-05 2004-10-20 アルパイン株式会社 オーディオ装置
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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
WO2003096746A1 (fr) 2003-11-20
CN100459817C (zh) 2009-02-04
JP2003333698A (ja) 2003-11-21
EP1507441A4 (de) 2006-05-31
KR100721069B1 (ko) 2007-05-23
JP3682032B2 (ja) 2005-08-10
EP1507441B1 (de) 2008-12-31
DE60230682D1 (de) 2009-02-12
US20060013101A1 (en) 2006-01-19
KR20050000533A (ko) 2005-01-05
CN1625920A (zh) 2005-06-08
EP1507441A1 (de) 2005-02-16
US7650000B2 (en) 2010-01-19

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