JPH0164121U - - Google Patents
Info
- Publication number
- JPH0164121U JPH0164121U JP1987158113U JP15811387U JPH0164121U JP H0164121 U JPH0164121 U JP H0164121U JP 1987158113 U JP1987158113 U JP 1987158113U JP 15811387 U JP15811387 U JP 15811387U JP H0164121 U JPH0164121 U JP H0164121U
- Authority
- JP
- Japan
- Prior art keywords
- reproducing
- signal
- recording
- detection
- magnetic tape
- 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
- 238000001514 detection method Methods 0.000 claims description 8
- 230000005236 sound signal Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は本考案の第１実施例になるブロツク構
成図、第２図は本考案の第２実施例になるブロツ
ク構成の要部を示す図、第３図は従来の回転ヘツ
ド式デイジタル信号記録再生装置のブロツク構成
図、第４図は回転ヘツド式デイジタル信号記録再
生装置を用いてＰＣＭ音声データを再生する際の
トラツキング動作を説明する説明図、第５図は磁
気テープ上の１トラツクパターンを示す図である
。
１ａ，１ｂ…回転ヘツド、２…キヤプスタン、
１８…キヤプスタンモータ、２６，３０…自動利
得調整回路（調整回路）、２８，３２…変動幅検
出回路（検出回路）、Ｔ…磁気テープ。
Fig. 1 is a block configuration diagram of the first embodiment of the present invention, Fig. 2 is a diagram showing the main parts of the block configuration of the second embodiment of the invention, and Fig. 3 is a conventional rotary head type digital signal A block configuration diagram of the recording and reproducing device. FIG. 4 is an explanatory diagram explaining the tracking operation when reproducing PCM audio data using the rotary head type digital signal recording and reproducing device. FIG. 5 is a one-track pattern on a magnetic tape. FIG. 1a, 1b...rotating head, 2...capstan,
18... Capstan motor, 26, 30... Automatic gain adjustment circuit (adjustment circuit), 28, 32... Fluctuation range detection circuit (detection circuit), T... Magnetic tape.
Claims (1)
のＰＣＭ音声データと所定期間ずつ前記ＰＣＭ音
声データの前後にトラツキング検出信号を有する
多重信号が回転ヘツドにより磁気テープ上に順次
にトラツクを形成して記録される記録機能と、記
録された前記多重信号を再生する再生機能とを有
する回転ヘツド式デイジタル信号記録再生装置で
あつて、 前記多重信号を再生する際、再生された前記ト
ラツキング検出信号の変動幅を検出する検出回路
と、この検出回路で検出した検出量に応じて信号
のレベルを調整する自動利得調整回路と、前記検
出量に応じて磁気テープを走行させるキヤプスタ
ンの回転位相を制御するキヤプスタンモータとを
有することを特徴とする回転ヘツド式デイジタル
信号記録再生装置。[Claims for Utility Model Registration] PCM audio data for a certain period obtained by pulse code modulating an audio signal and a multiplexed signal having tracking detection signals before and after the PCM audio data for each predetermined period are recorded on a magnetic tape by a rotating head. A rotary head type digital signal recording and reproducing device having a recording function for sequentially forming tracks and recording, and a reproducing function for reproducing the recorded multiplexed signal, wherein when reproducing the multiplexed signal, the reproducing a detection circuit for detecting a fluctuation range of the tracking detection signal, an automatic gain adjustment circuit for adjusting a signal level according to the detection amount detected by the detection circuit, and a magnetic tape running according to the detection amount. 1. A rotary head type digital signal recording and reproducing device, comprising a capstan motor that controls the rotational phase of a capstan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987158113U JPH0164121U (en) | 1987-10-15 | 1987-10-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987158113U JPH0164121U (en) | 1987-10-15 | 1987-10-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0164121U true JPH0164121U (en) | 1989-04-25 |
Family
ID=31438148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987158113U Pending JPH0164121U (en) | 1987-10-15 | 1987-10-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0164121U (en) |
-
1987
- 1987-10-15 JP JP1987158113U patent/JPH0164121U/ja active Pending
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