JP3768647B2 - 音声信号処理装置 - Google Patents

音声信号処理装置 Download PDF

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Publication number
JP3768647B2
JP3768647B2 JP20321697A JP20321697A JP3768647B2 JP 3768647 B2 JP3768647 B2 JP 3768647B2 JP 20321697 A JP20321697 A JP 20321697A JP 20321697 A JP20321697 A JP 20321697A JP 3768647 B2 JP3768647 B2 JP 3768647B2
Authority
JP
Japan
Prior art keywords
audio signals
audio
recording
audio signal
recording medium
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 - Fee Related
Application number
JP20321697A
Other languages
English (en)
Japanese (ja)
Other versions
JPH1145505A (ja
JPH1145505A5 (enExample
Inventor
泰三 堀
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP20321697A priority Critical patent/JP3768647B2/ja
Priority to US09/110,958 priority patent/US6839442B2/en
Publication of JPH1145505A publication Critical patent/JPH1145505A/ja
Priority to US10/851,577 priority patent/US7197150B2/en
Publication of JPH1145505A5 publication Critical patent/JPH1145505A5/ja
Application granted granted Critical
Publication of JP3768647B2 publication Critical patent/JP3768647B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/1646—Circuits adapted for the reception of stereophonic signals
    • H04B1/1661—Reduction of noise by manipulation of the baseband composite stereophonic signal or the decoded left and right channels
    • H04B1/1669—Reduction of noise by manipulation of the baseband composite stereophonic signal or the decoded left and right channels of the demodulated composite stereo signal
    • H04B1/1684—Reduction of noise by manipulation of the baseband composite stereophonic signal or the decoded left and right channels of the demodulated composite stereo signal of the decoded left or right stereo channel

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)
  • Television Signal Processing For Recording (AREA)
  • Stereophonic System (AREA)
JP20321697A 1997-07-29 1997-07-29 音声信号処理装置 Expired - Fee Related JP3768647B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP20321697A JP3768647B2 (ja) 1997-07-29 1997-07-29 音声信号処理装置
US09/110,958 US6839442B2 (en) 1997-07-29 1998-07-07 Audio signal processing apparatus
US10/851,577 US7197150B2 (en) 1997-07-29 2004-05-21 Audio signal processing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20321697A JP3768647B2 (ja) 1997-07-29 1997-07-29 音声信号処理装置

Publications (3)

Publication Number Publication Date
JPH1145505A JPH1145505A (ja) 1999-02-16
JPH1145505A5 JPH1145505A5 (enExample) 2005-04-14
JP3768647B2 true JP3768647B2 (ja) 2006-04-19

Family

ID=16470394

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20321697A Expired - Fee Related JP3768647B2 (ja) 1997-07-29 1997-07-29 音声信号処理装置

Country Status (2)

Country Link
US (2) US6839442B2 (enExample)
JP (1) JP3768647B2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3659871B2 (ja) * 2000-06-26 2005-06-15 松下電器産業株式会社 音声映像記録再生装置
GB2374241B (en) * 2001-04-03 2004-07-07 Trilogy Broadcast Management internet protocol unicast and multicast communications
US20030039373A1 (en) * 2001-08-24 2003-02-27 Peavey Electronics Corporation Methods and apparatus for mixer with cue mode selector
JP2010068292A (ja) * 2008-09-11 2010-03-25 Seiko Epson Corp 音声出力装置、プロジェクタ、プログラムおよび情報記憶媒体
EP3497875B1 (en) * 2016-08-08 2023-12-13 Record Sure Limited A method of generating a secure record of a conversation
JP6695955B1 (ja) 2018-11-27 2020-05-20 レノボ・シンガポール・プライベート・リミテッド 信号処理装置、制御方法、及びプログラム

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3916104A (en) * 1972-08-01 1975-10-28 Nippon Columbia Sound signal changing circuit
US3879751A (en) * 1973-01-05 1975-04-22 Joseph Julius Gimelli Court reporting dictating system and method
US4095261A (en) * 1976-01-07 1978-06-13 Jesus Rodriguez Audio tape recorder, editor and amplifying system
US4357492A (en) * 1980-10-03 1982-11-02 Eugene Campbell Automatic microphone mixing apparatus
JPS57115085A (en) * 1981-01-07 1982-07-17 Canon Inc Magnetic recording and reproducing device
JPS58218002A (ja) * 1982-06-14 1983-12-19 Canon Inc 磁気録画再生装置
US4524452A (en) * 1983-07-20 1985-06-18 Marshak Michael S Audio mixer/pre-amplifier
US4993073A (en) * 1987-10-01 1991-02-12 Sparkes Kevin J Digital signal mixing apparatus
JPH01165068A (ja) * 1987-12-19 1989-06-29 Pioneer Electron Corp マガジンディスクプレーヤ
EP0501792B1 (en) * 1991-02-28 1996-04-10 Sony Corporation Digital signal recording apparatus for analog/digital input
JPH0934481A (ja) * 1995-07-21 1997-02-07 Sony Corp 録画再生装置
US6148086A (en) * 1997-05-16 2000-11-14 Aureal Semiconductor, Inc. Method and apparatus for replacing a voice with an original lead singer's voice on a karaoke machine

Also Published As

Publication number Publication date
JPH1145505A (ja) 1999-02-16
US7197150B2 (en) 2007-03-27
US20040213423A1 (en) 2004-10-28
US20020110251A1 (en) 2002-08-15
US6839442B2 (en) 2005-01-04

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