JPH0129085B2 - - Google Patents

Info

Publication number
JPH0129085B2
JPH0129085B2 JP56092894A JP9289481A JPH0129085B2 JP H0129085 B2 JPH0129085 B2 JP H0129085B2 JP 56092894 A JP56092894 A JP 56092894A JP 9289481 A JP9289481 A JP 9289481A JP H0129085 B2 JPH0129085 B2 JP H0129085B2
Authority
JP
Japan
Prior art keywords
output
low
section
pass filter
microphone
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
Application number
JP56092894A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57207293A (en
Inventor
Akio Tokuge
Masayuki Kato
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 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 Electronic Corp filed Critical Pioneer Electronic Corp
Priority to JP9289481A priority Critical patent/JPS57207293A/ja
Priority to US06/387,895 priority patent/US4476571A/en
Priority to DE19823222495 priority patent/DE3222495A1/de
Publication of JPS57207293A publication Critical patent/JPS57207293A/ja
Publication of JPH0129085B2 publication Critical patent/JPH0129085B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Control Of Amplification And Gain Control (AREA)
JP9289481A 1981-06-15 1981-06-15 Automatic sound volue corrector Granted JPS57207293A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP9289481A JPS57207293A (en) 1981-06-15 1981-06-15 Automatic sound volue corrector
US06/387,895 US4476571A (en) 1981-06-15 1982-06-14 Automatic sound volume control device
DE19823222495 DE3222495A1 (de) 1981-06-15 1982-06-15 Selbsttaetige lautstaerke-regelvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9289481A JPS57207293A (en) 1981-06-15 1981-06-15 Automatic sound volue corrector

Publications (2)

Publication Number Publication Date
JPS57207293A JPS57207293A (en) 1982-12-18
JPH0129085B2 true JPH0129085B2 (enrdf_load_stackoverflow) 1989-06-07

Family

ID=14067161

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9289481A Granted JPS57207293A (en) 1981-06-15 1981-06-15 Automatic sound volue corrector

Country Status (1)

Country Link
JP (1) JPS57207293A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114333752A (zh) * 2021-12-24 2022-04-12 歌尔科技有限公司 一种噪声信号处理方法、系统、混合降噪耳机及存储介质

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5389345A (en) * 1977-01-17 1978-08-05 Kokusai Electric Co Ltd Method of adjusting broadcasting sound volume where noise vigorously varies
JPS55147015A (en) * 1979-05-07 1980-11-15 Hitachi Ltd Audio unit mounting on car

Also Published As

Publication number Publication date
JPS57207293A (en) 1982-12-18

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