JPS6248052U - - Google Patents
Info
- Publication number
- JPS6248052U JPS6248052U JP13851085U JP13851085U JPS6248052U JP S6248052 U JPS6248052 U JP S6248052U JP 13851085 U JP13851085 U JP 13851085U JP 13851085 U JP13851085 U JP 13851085U JP S6248052 U JPS6248052 U JP S6248052U
- Authority
- JP
- Japan
- Prior art keywords
- ram
- data
- address
- absolute
- timing
- 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 1
- 238000010586 diagram Methods 0.000 description 4
Description
第１図及び第２図はこの考案の一実施例を示す
もので、第１図は回路構成を示すブロツク図、第
２図は動作の処理内容を示すタイミングチヤート
、第３図乃至第５図は回転ヘツド方式のデジタル
・オーデイオ・テープレコーダの構成を示すもの
で、第３図ａは記録／再生ヘツド部の構成を示す
図、第３図ｂはこの第３図ａの記録／再生ヘツド
部に対応した磁気テープ上の記録パターンを示す
図、第４図は磁気テープに書込まれるトラツクフ
オーマツト及びこのトラツクのＰＣＭエリアのブ
ロツクフオーマツトの概略構成を示す図、第５図
は第１ＲＡＭ、第２ＲＡＭに記憶されるデータの
構成を示す図である。
１…記録／再生ヘツド部、１ａ…回転ドラム、
２…ＤＡＴテープ、１１…第１ＲＡＭ、１２…第
２ＲＡＭ、１３…Ａ／Ｄ変換器、１４…システム
制御部、１５，２４〜２６…データバス、１６…
セレクタ、１７…インタリーブアドレス発生器、
１８…ＥＣＣ制御部、１９，２１〜２３…アドレ
スバス、２０…ＥＣＣ・絶対アドレス発生器。
Figures 1 and 2 show an embodiment of this invention, with Figure 1 being a block diagram showing the circuit configuration, Figure 2 being a timing chart showing the processing details of the operation, and Figures 3 to 5. 3 shows the structure of a rotary head type digital audio tape recorder, FIG. 3a shows the structure of the recording/playback head section, and FIG. 3b shows the structure of the recording/playback head section of FIG. 3a. FIG. 4 is a diagram showing a schematic structure of the track format written on the magnetic tape and the block format of the PCM area of this track. FIG. 5 is a diagram showing the recording pattern of the first RAM, FIG. 3 is a diagram showing the structure of data stored in a second RAM. 1... Recording/playback head section, 1a... Rotating drum,
2...DAT tape, 11...1st RAM, 12...2nd RAM, 13...A/D converter, 14...system control unit, 15, 24-26...data bus, 16...
Selector, 17...Interleave address generator,
18... ECC control unit, 19, 21-23... Address bus, 20... ECC/absolute address generator.
Claims (1)
ＰＣＭ化したデジタルデータを上記第１ＲＡＭ、
第２ＲＡＭに交互に書込むと共に、書込まれてい
ない側の第１ＲＡＭあるいは第２ＲＡＭ内のデー
タに対してＥＣＣを付加し、これを読出した回転
ヘツドによりテープ上に記録するデジタル・オー
デイオ・テープレコーダにおいて、上記第１ＲＡ
Ｍ、第２ＲＡＭ内でＰＣＭデータ及びＥＣＣの書
込まれない空白領域を指定するアドレス指定手段
と、このアドレス指定手段により指定された第１
ＲＡＭ、第２ＲＡＭのアドレス位置に絶対アドレ
スデータを書込む絶対サドレス書込み手段と、こ
の絶対アドレス書込み手段による書込み動作をＥ
ＣＣを付加する前のタイミングで行なうように制
御するタイミング制御手段とを具備したことを特
徴とする絶対アドレス記録装置。 It has a first RAM and a second RAM, and the digital data obtained by converting the audio signal into PCM is stored in the first RAM,
A digital audio tape recorder that alternately writes data to the second RAM, adds ECC to data in the first RAM or second RAM on the unwritten side, and records the data on the tape using the rotating head that reads it. In the above first RA
M, an addressing means for specifying a blank area in the second RAM where PCM data and ECC are not written, and a first address designated by this addressing means.
RAM, an absolute sadless write means for writing absolute address data into the address position of the second RAM, and a write operation by this absolute address write means.
1. An absolute address recording device comprising: timing control means for controlling the timing to be performed at a timing before adding a CC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13851085U JPS6248052U (en) | 1985-09-10 | 1985-09-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13851085U JPS6248052U (en) | 1985-09-10 | 1985-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6248052U true JPS6248052U (en) | 1987-03-25 |
Family
ID=31043558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13851085U Pending JPS6248052U (en) | 1985-09-10 | 1985-09-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6248052U (en) |
-
1985
- 1985-09-10 JP JP13851085U patent/JPS6248052U/ja active Pending
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