JPS62180307U - - Google Patents
Info
- Publication number
- JPS62180307U JPS62180307U JP1986065882U JP6588286U JPS62180307U JP S62180307 U JPS62180307 U JP S62180307U JP 1986065882 U JP1986065882 U JP 1986065882U JP 6588286 U JP6588286 U JP 6588286U JP S62180307 U JPS62180307 U JP S62180307U
- Authority
- JP
- Japan
- Prior art keywords
- utility
- memory
- diagram showing
- signal processing
- 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.)
- Pending
Links
- 230000005236 sound signal Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 1
Landscapes
- Television Signal Processing For Recording (AREA)
Description
第１図は本考案によるＶＴＲ逆再生時の音声信
号処理装置の構成を示すブロツク図、第２図は第
１図に示す装置の動作を説明するための波形図、
第３図は音声信号の時間分布を示す図、第４図は
本考案による基本的な信号処理の例を示す波形図
、第５図はコンデンサメモリを使用する場合の読
出し手段の構成を示すブロツク図、第６図はデイ
ジタルメモリを使用する他の一つの読出し手段の
構成を示すブロツク図である。
１……音声増幅器、２，３……電子スイツチ、
４，５……電子メモリ、６……クロツク発振器、
７……フリツプフロツプ（周期２Ｔ０）、８……
利得制御波形発生器、９……利得制御回路、１０
……出力信号、１１……再生音声信号、１２……
記録駆動増幅器（低インピーダンス）、１３……
電子スイツチ、１４……コンデンサメモリ（Ｃ１
，Ｃ２，……，Ｃｎ）、１５……スイツチ駆動ジ
エネレータ、１６……モード切換えスイツチ、１
７……再生増幅器（高インピーダンス）、１８…
…低域通過フイルタ、１９……出力信号、２０…
…Ａ／Ｄコンバータ、２１……メモリ、２２……
Ｄ／Ａコンバータ、２３……アドレス制御器、２
４……書込みアドレス、２５……読出しアドレス
。
FIG. 1 is a block diagram showing the configuration of an audio signal processing device for reverse playback of a VTR according to the present invention, and FIG. 2 is a waveform diagram for explaining the operation of the device shown in FIG.
Fig. 3 is a diagram showing the time distribution of audio signals, Fig. 4 is a waveform diagram showing an example of basic signal processing according to the present invention, and Fig. 5 is a block diagram showing the configuration of the reading means when using a capacitor memory. 6 are block diagrams showing the structure of another reading means using a digital memory. 1... Audio amplifier, 2, 3... Electronic switch,
4, 5...electronic memory, 6...clock oscillator,
7...Flip-flop (period 2T 0 ), 8...
Gain control waveform generator, 9...Gain control circuit, 10
... Output signal, 11 ... Playback audio signal, 12 ...
Recording drive amplifier (low impedance), 13...
Electronic switch, 14... Capacitor memory (C 1
, C 2 , ..., Cn), 15... Switch drive generator, 16... Mode changeover switch, 1
7... Regenerative amplifier (high impedance), 18...
...Low pass filter, 19...Output signal, 20...
...A/D converter, 21...Memory, 22...
D/A converter, 23...address controller, 2
4...Write address, 25...Read address.
Claims (1)
毎に区切る手段、および (b) その区切られた信号の時間軸を逆にする手
段 を含むことを特徴とするＶＴＲ逆再生時の音声信
号処理装置。[Claims for Utility Model Registration] The utility model is characterized by including (a) means for dividing the signal reproduced from the magnetic head into units of time, and (b) means for reversing the time axis of the divided signals. Audio signal processing device for VTR reverse playback.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986065882U JPS62180307U (en) | 1986-04-30 | 1986-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986065882U JPS62180307U (en) | 1986-04-30 | 1986-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62180307U true JPS62180307U (en) | 1987-11-16 |
Family
ID=30903367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986065882U Pending JPS62180307U (en) | 1986-04-30 | 1986-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62180307U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0730837A (en) * | 1993-07-08 | 1995-01-31 | Ricoh Co Ltd | Electronic still camera |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5273712A (en) * | 1975-12-16 | 1977-06-21 | Matsushita Electric Ind Co Ltd | Magnetic recording and playback apparatus |
-
1986
- 1986-04-30 JP JP1986065882U patent/JPS62180307U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5273712A (en) * | 1975-12-16 | 1977-06-21 | Matsushita Electric Ind Co Ltd | Magnetic recording and playback apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0730837A (en) * | 1993-07-08 | 1995-01-31 | Ricoh Co Ltd | Electronic still camera |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS62180307U (en) | ||
| JP2789656B2 (en) | Audio digital signal recording and playback device | |
| JPS6385978U (en) | ||
| JPS62168164U (en) | ||
| JPS6290403U (en) | ||
| JPS6218805U (en) | ||
| JPS61269264A (en) | Information recording device | |
| JPS6324705U (en) | ||
| JPH0178361U (en) | ||
| JPS6121054U (en) | Tape recorder switching circuit | |
| JPS59118114U (en) | magnetic recording and reproducing device | |
| JPH0312583U (en) | ||
| JPH0289666U (en) | ||
| JPH0438000U (en) | ||
| JPH01138300U (en) | ||
| JPS59168864U (en) | audio playback device | |
| JPH0268331U (en) | ||
| JPS5939413U (en) | tape recorder | |
| JPS59177029U (en) | Digital audio disc playback device | |
| JPH02140668U (en) | ||
| JPS61126402U (en) | ||
| JPS6349685U (en) | ||
| JPS60111557U (en) | Data recorder with waveform shaping function | |
| JPS60755U (en) | magnetic recording and reproducing device | |
| JPS6289879U (en) |