JPS58163011U - Dropout detection circuit - Google Patents

Dropout detection circuit

Info

Publication number
JPS58163011U
JPS58163011U JP5835382U JP5835382U JPS58163011U JP S58163011 U JPS58163011 U JP S58163011U JP 5835382 U JP5835382 U JP 5835382U JP 5835382 U JP5835382 U JP 5835382U JP S58163011 U JPS58163011 U JP S58163011U
Authority
JP
Japan
Prior art keywords
dropout
detection circuit
dropout detection
circuit
audio signal
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
JP5835382U
Other languages
Japanese (ja)
Other versions
JPH0333982Y2 (en
Inventor
和男 黒田
Original Assignee
パイオニアビデオ株式会社
パイオニア株式会社
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 パイオニアビデオ株式会社, パイオニア株式会社 filed Critical パイオニアビデオ株式会社
Priority to JP5835382U priority Critical patent/JPS58163011U/en
Publication of JPS58163011U publication Critical patent/JPS58163011U/en
Application granted granted Critical
Publication of JPH0333982Y2 publication Critical patent/JPH0333982Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Television Signal Processing For Recording (AREA)
  • 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 drawings]

第１図は従来のドロップアウト検出回路の一例を示すブ
ロック図、第２図は本考案の第１の実施例のブロック図
、第３図は本考案の第２の実施例のブロック図、第４図
は本考案の第３の実施例のブロック図である。 １・・・・・・音声信号再生回路、３・・・・・・波形
整形回路、４−・・・・・ドロップアウト補償回路、７
・・・・・・高域ブースト回路、８・・・・・・バイパ
スフィルタ、９・・・・・・共振回路、１０・・・・・
・電流制御回路、１１・・・・・・リミッタ、１２およ
び１２−１・・・・・・リトリガラブルマルチハイブレ
ータ、１３・・・・・・スイッチ回路。FIG. 1 is a block diagram showing an example of a conventional dropout detection circuit, FIG. 2 is a block diagram of a first embodiment of the present invention, and FIG. 3 is a block diagram of a second embodiment of the present invention. FIG. 4 is a block diagram of a third embodiment of the present invention. 1... Audio signal reproduction circuit, 3... Waveform shaping circuit, 4-... Dropout compensation circuit, 7
...High frequency boost circuit, 8...Bypass filter, 9...Resonance circuit, 10...
- Current control circuit, 11... limiter, 12 and 12-1... retriggerable multi-hybrator, 13... switch circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 音声信号の再生時にドロップアウトが存在する場合、前
置ホールドによりドロップアウト補償を行なうドロップ
アウト補償装置のドロップアウト検出回路において、音
声信号が高域に存在するときドロップアウト検出レベル
を減少させる回路を備えてなることを特徴とするドロッ
プアウト検出回路。In a dropout detection circuit of a dropout compensation device that performs dropout compensation using pre-hold when a dropout exists during audio signal playback, a circuit is provided that reduces the dropout detection level when the audio signal exists in a high frequency range. A dropout detection circuit comprising:
JP5835382U 1982-04-23 1982-04-23 Dropout detection circuit Granted JPS58163011U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5835382U JPS58163011U (en) 1982-04-23 1982-04-23 Dropout detection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5835382U JPS58163011U (en) 1982-04-23 1982-04-23 Dropout detection circuit

Publications (2)

Publication Number Publication Date
JPS58163011U true JPS58163011U (en) 1983-10-29
JPH0333982Y2 JPH0333982Y2 (en) 1991-07-18

Family

ID=30068746

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5835382U Granted JPS58163011U (en) 1982-04-23 1982-04-23 Dropout detection circuit

Country Status (1)

Country Link
JP (1) JPS58163011U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5891510A (en) * 1981-11-27 1983-05-31 Toshiba Corp Drop-out compensating circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5891510A (en) * 1981-11-27 1983-05-31 Toshiba Corp Drop-out compensating circuit

Also Published As

Publication number Publication date
JPH0333982Y2 (en) 1991-07-18

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