JPS5860324U - sound reproduction device - Google Patents

sound reproduction device

Info

Publication number
JPS5860324U
JPS5860324U JP15525881U JP15525881U JPS5860324U JP S5860324 U JPS5860324 U JP S5860324U JP 15525881 U JP15525881 U JP 15525881U JP 15525881 U JP15525881 U JP 15525881U JP S5860324 U JPS5860324 U JP S5860324U
Authority
JP
Japan
Prior art keywords
control
reproduction device
audible signal
sound reproduction
pass filter
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.)
Pending
Application number
JP15525881U
Other languages
Japanese (ja)
Inventor
幹夫 小田
Original Assignee
松下電器産業株式会社
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 松下電器産業株式会社 filed Critical 松下電器産業株式会社
Priority to JP15525881U priority Critical patent/JPS5860324U/en
Publication of JPS5860324U publication Critical patent/JPS5860324U/en
Pending legal-status Critical Current

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  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の音響再生装置のブロック図、第２図は同
要部の周波数特性図、第３図は本考案の音響再生装置の
一実施例を示す回路図、第４図、第５図は同装置の要部
の特性図である。 １５・・・・・・制御手段、１６・・・・・・電圧制御
型低域フオルタ、１３・・・・・・高域通過フィルタ、
１４・・面制御電圧発生器、１７・・・・・・抵抗、１
８・・・・・・コンデンサ、１９・・・・・・トランジ
スタ。Fig. 1 is a block diagram of a conventional sound reproducing device, Fig. 2 is a frequency characteristic diagram of the main parts of the same, Fig. 3 is a circuit diagram showing an embodiment of the sound reproducing device of the present invention, Figs. The figure is a characteristic diagram of the main parts of the device. 15... Control means, 16... Voltage controlled low pass filter, 13... High pass filter,
14... Surface control voltage generator, 17... Resistor, 1
8...Capacitor, 19...Transistor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 信号源からの可聴信号の信号伝送路に設けた電圧制御型
の低域通過フィルタと、上記可聴信号中の高域成分を抽
出してその抽出レベルに応じた制御電圧を出力する制御
手段を備え、上記制御手段からの制御電圧で上記低域通
過フィルタを制御し、上記可聴信号に応じてその高域成
分の減衰量を変化させるように構成してなる音響再生装
置。A voltage-controlled low-pass filter provided on a signal transmission path for an audible signal from a signal source, and a control means for extracting a high-frequency component from the audible signal and outputting a control voltage according to the extraction level. . A sound reproducing device configured to control the low-pass filter with a control voltage from the control means and change the amount of attenuation of the high-frequency component according to the audible signal.
JP15525881U 1981-10-19 1981-10-19 sound reproduction device Pending JPS5860324U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15525881U JPS5860324U (en) 1981-10-19 1981-10-19 sound reproduction device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15525881U JPS5860324U (en) 1981-10-19 1981-10-19 sound reproduction device

Publications (1)

Publication Number Publication Date
JPS5860324U true JPS5860324U (en) 1983-04-23

Family

ID=29947833

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15525881U Pending JPS5860324U (en) 1981-10-19 1981-10-19 sound reproduction device

Country Status (1)

Country Link
JP (1) JPS5860324U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1145404A (en) * 1997-07-29 1999-02-16 Pioneer Electron Corp Noise reducing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1145404A (en) * 1997-07-29 1999-02-16 Pioneer Electron Corp Noise reducing device

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