JPH01181189U - - Google Patents
Info
- Publication number
- JPH01181189U JPH01181189U JP7522888U JP7522888U JPH01181189U JP H01181189 U JPH01181189 U JP H01181189U JP 7522888 U JP7522888 U JP 7522888U JP 7522888 U JP7522888 U JP 7522888U JP H01181189 U JPH01181189 U JP H01181189U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- digital audio
- audio signal
- track
- digital
- 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 7
- 238000010586 diagram Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
Landscapes
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Description
第１図はこの考案の実施例を示したブロツク図
、第２図はこの考案に使用される検出回路の一例
を示したブロツク図、第３図は検出回路の一部を
構成するデジタル積分回路のブロツク図、第４図
は検出回路の動作を説明するための波形図、第５
図は曲番データ等を生成するための構成を示した
ブロツク図、第６図はその動作を説明するための
波形図、第７図は従来のものの一例を示したブロ
ツク図、第８図は磁気テープ上に形成されるトラ
ツクを示した模式図である。
３…記録アンプ、４…回転ドラム、５…磁気テ
ープ、６…検出回路、７…サブコード生成回路、
８…切換スイツチ、９…再生アンプ、１０…デコ
ーダ、１１…Ｄ／Ａ変換回路。
Figure 1 is a block diagram showing an embodiment of this invention, Figure 2 is a block diagram showing an example of a detection circuit used in this invention, and Figure 3 is a digital integration circuit that forms part of the detection circuit. Fig. 4 is a waveform diagram for explaining the operation of the detection circuit, Fig. 5 is a waveform diagram for explaining the operation of the detection circuit.
The figure is a block diagram showing the configuration for generating track number data, etc., Figure 6 is a waveform diagram to explain its operation, Figure 7 is a block diagram showing an example of the conventional one, and Figure 8 is FIG. 2 is a schematic diagram showing tracks formed on a magnetic tape. 3... Recording amplifier, 4... Rotating drum, 5... Magnetic tape, 6... Detection circuit, 7... Subcode generation circuit,
8... Selector switch, 9... Playback amplifier, 10... Decoder, 11... D/A conversion circuit.
Claims (1)
イオ信号に変換して磁気テープ上に形成されるト
ラツクに記録し、該磁気テープに記録されたデジ
タル信号を磁気ヘツドにより再生し、再生された
デジタル信号をデジタルオーデイオ信号に変換し
、さらにこのデジタルオーデイオ信号をアナログ
オーデイオ信号に変換して出力するようにしたデ
ジタルオーデイオテープレコーダにおいて、前記
再生されたデジタルオーデイオ信号又はその変換
されたアナログオーデイオ信号からそのレベルを
検出し、該レベルが所定値以下であるとき、その
長さに対応した検出信号を生成し、該検出信号の
長さを所定値と比較し、該検出信号の長さが該所
定値より長いとき無情報部信号を生成し、該無情
報部信号の終端エツジで曲番データを１つインク
リメントし、このインクリメントされた曲番デー
タを前記トラツクにアフターレコードするように
して成るデジタルオーデイオテープレコーダ。 (2) 前記インクリメントされた曲番データに加
え、タイムコードデータも前記トラツクにアフタ
レコードするようにして成る実用新案登録請求の
範囲第１項記載のデジタルオーデイオテープレコ
ーダ。[Claims for Utility Model Registration] (1) Converting an analog audio signal to a digital audio signal and recording it on a track formed on a magnetic tape, reproducing the digital signal recorded on the magnetic tape with a magnetic head, In a digital audio tape recorder that converts a reproduced digital signal into a digital audio signal and further converts the digital audio signal into an analog audio signal and outputs the same, the reproduced digital audio signal or the converted analog thereof is provided. The level is detected from the audio signal, and when the level is below a predetermined value, a detection signal corresponding to the length is generated, the length of the detection signal is compared with the predetermined value, and the length of the detection signal is determined. is longer than the predetermined value, a no-information section signal is generated, the track number data is incremented by one at the terminal edge of the no-information section signal, and this incremented track number data is after-recorded on the track. A digital audio tape recorder. (2) The digital audio tape recorder according to claim 1, wherein time code data is also after-recorded on the track in addition to the incremented track number data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7522888U JPH01181189U (en) | 1988-06-08 | 1988-06-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7522888U JPH01181189U (en) | 1988-06-08 | 1988-06-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01181189U true JPH01181189U (en) | 1989-12-27 |
Family
ID=31300299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7522888U Pending JPH01181189U (en) | 1988-06-08 | 1988-06-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01181189U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6370990A (en) * | 1986-09-11 | 1988-03-31 | Clarion Co Ltd | Automatic subcode recorder |
-
1988
- 1988-06-08 JP JP7522888U patent/JPH01181189U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6370990A (en) * | 1986-09-11 | 1988-03-31 | Clarion Co Ltd | Automatic subcode recorder |
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