JPS58206215A - 自動音量調整装置 - Google Patents

自動音量調整装置

Info

Publication number
JPS58206215A
JPS58206215A JP9040382A JP9040382A JPS58206215A JP S58206215 A JPS58206215 A JP S58206215A JP 9040382 A JP9040382 A JP 9040382A JP 9040382 A JP9040382 A JP 9040382A JP S58206215 A JPS58206215 A JP S58206215A
Authority
JP
Japan
Prior art keywords
level
circuit
signal
output
input
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
JP9040382A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0447486B2 (enExample
Inventor
Takashi Sakakibara
隆 榊原
Shuichi Mori
秀一 森
Yasumasa Fukatsu
深津　康雅
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.)
Pioneer Corp
Original Assignee
Pioneer Corp
Pioneer Electronic Corp
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 Pioneer Corp, Pioneer Electronic Corp filed Critical Pioneer Corp
Priority to JP9040382A priority Critical patent/JPS58206215A/ja
Priority to GB08311509A priority patent/GB2123230B/en
Priority to DE3315150A priority patent/DE3315150C3/de
Priority to US06/489,291 priority patent/US4553257A/en
Publication of JPS58206215A publication Critical patent/JPS58206215A/ja
Publication of JPH0447486B2 publication Critical patent/JPH0447486B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/32—Automatic control in amplifiers having semiconductor devices the control being dependent upon ambient noise level or sound level

Landscapes

  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Control Of Amplification And Gain Control (AREA)
JP9040382A 1982-04-28 1982-05-26 自動音量調整装置 Granted JPS58206215A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP9040382A JPS58206215A (ja) 1982-05-26 1982-05-26 自動音量調整装置
GB08311509A GB2123230B (en) 1982-04-28 1983-04-27 Automatic sound volume control device
DE3315150A DE3315150C3 (de) 1982-04-28 1983-04-27 Selbsttätige Lautstärke-Steuervorrichtung
US06/489,291 US4553257A (en) 1982-04-28 1983-04-28 Automatic sound volume control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9040382A JPS58206215A (ja) 1982-05-26 1982-05-26 自動音量調整装置

Related Child Applications (3)

Application Number Title Priority Date Filing Date
JP12922182A Division JPS58206216A (ja) 1982-07-23 1982-07-23 自動音量調整装置
JP12922282A Division JPS58206217A (ja) 1982-07-23 1982-07-23 自動音量調整装置
JP12922382A Division JPS58206218A (ja) 1982-07-23 1982-07-23 自動音量調整装置

Publications (2)

Publication Number Publication Date
JPS58206215A true JPS58206215A (ja) 1983-12-01
JPH0447486B2 JPH0447486B2 (enExample) 1992-08-04

Family

ID=13997613

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9040382A Granted JPS58206215A (ja) 1982-04-28 1982-05-26 自動音量調整装置

Country Status (1)

Country Link
JP (1) JPS58206215A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60263503A (ja) * 1984-06-12 1985-12-27 Nissan Motor Co Ltd 音響装置
JPS61150508A (ja) * 1984-12-25 1986-07-09 Sankyo Dengiyou Kk 粉砕機音響制御システムにおける外来雑音の自動補正方法
JPH01137809A (ja) * 1987-11-25 1989-05-30 Pioneer Electron Corp 車載用自動音量調整装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54141545A (en) * 1978-04-26 1979-11-02 Biiba Kk Automatic volume controller

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54141545A (en) * 1978-04-26 1979-11-02 Biiba Kk Automatic volume controller

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60263503A (ja) * 1984-06-12 1985-12-27 Nissan Motor Co Ltd 音響装置
JPS61150508A (ja) * 1984-12-25 1986-07-09 Sankyo Dengiyou Kk 粉砕機音響制御システムにおける外来雑音の自動補正方法
JPH01137809A (ja) * 1987-11-25 1989-05-30 Pioneer Electron Corp 車載用自動音量調整装置

Also Published As

Publication number Publication date
JPH0447486B2 (enExample) 1992-08-04

Similar Documents

Publication Publication Date Title
US5414776A (en) Adaptive proportional gain audio mixing system
US5034984A (en) Speed-controlled amplifying
US4409435A (en) Hearing aid suitable for use under noisy circumstance
GB2274958A (en) Video camera microphone circuits
US3934084A (en) Variable gain amplifier controlled by ambient noise level
JPH0389706A (ja) 自動音量調整装置
US20090060209A1 (en) Audio-signal processing apparatus and method
JPH03219800A (ja) 音響効果装置
US5402500A (en) Adaptive proportional gain audio mixing system
CA2144782A1 (en) Microphone with infrared on/off switch
JP4214607B2 (ja) マイクロホン装置
JPS58206215A (ja) 自動音量調整装置
US8462964B2 (en) Recording apparatus, recording method, audio signal correction circuit, and program
KR910007982Y1 (ko) 중저음 레벨 제어회로
JPH0145769B2 (enExample)
JP6507893B2 (ja) 増幅装置、及び、スピーカー装置
JPH04365210A (ja) 車載音響再生装置
JPH06121393A (ja) 拡声方法および拡声装置
CN208905194U (zh) 默音混响一体功放
US3281706A (en) Automatic gain control device for high fidelity audio systems
JPS60178711A (ja) 車両用音響装置
JP2830695B2 (ja) カラオケ装置
JP3594910B2 (ja) 音声処理装置及び該音声処理装置を有する電子機器
JP2640552B2 (ja) 音声信号出力装置
KR960016673B1 (ko) 노래반주기기의 마이크 합성장치