JPH0316004A - 音声雑音抑圧装置 - Google Patents

音声雑音抑圧装置

Info

Publication number
JPH0316004A
JPH0316004A JP12669590A JP12669590A JPH0316004A JP H0316004 A JPH0316004 A JP H0316004A JP 12669590 A JP12669590 A JP 12669590A JP 12669590 A JP12669590 A JP 12669590A JP H0316004 A JPH0316004 A JP H0316004A
Authority
JP
Japan
Prior art keywords
frequency
audio signal
signal
circuit
expander
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
JP12669590A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0355882B2 (pt
Inventor
Shigeyuki Ito
滋行 伊藤
Yoshizumi Wataya
綿谷　由純
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP12669590A priority Critical patent/JPH0316004A/ja
Publication of JPH0316004A publication Critical patent/JPH0316004A/ja
Publication of JPH0355882B2 publication Critical patent/JPH0355882B2/ja
Granted legal-status Critical Current

Links

JP12669590A 1990-05-18 1990-05-18 音声雑音抑圧装置 Granted JPH0316004A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12669590A JPH0316004A (ja) 1990-05-18 1990-05-18 音声雑音抑圧装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12669590A JPH0316004A (ja) 1990-05-18 1990-05-18 音声雑音抑圧装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP56073556A Division JPS57190478A (en) 1981-05-18 1981-05-18 Sound noise suppressing circuit

Publications (2)

Publication Number Publication Date
JPH0316004A true JPH0316004A (ja) 1991-01-24
JPH0355882B2 JPH0355882B2 (pt) 1991-08-26

Family

ID=14941562

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12669590A Granted JPH0316004A (ja) 1990-05-18 1990-05-18 音声雑音抑圧装置

Country Status (1)

Country Link
JP (1) JPH0316004A (pt)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007240458A (ja) * 2006-03-10 2007-09-20 Napuson Kk 膜厚測定装置
JP2008288582A (ja) * 2008-04-28 2008-11-27 Tokyo Seimitsu Co Ltd 研磨途中時点の検出方法と研磨装置並びに研磨状態モニタ方法と研磨終了時点の検出方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007240458A (ja) * 2006-03-10 2007-09-20 Napuson Kk 膜厚測定装置
JP2008288582A (ja) * 2008-04-28 2008-11-27 Tokyo Seimitsu Co Ltd 研磨途中時点の検出方法と研磨装置並びに研磨状態モニタ方法と研磨終了時点の検出方法

Also Published As

Publication number Publication date
JPH0355882B2 (pt) 1991-08-26

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