JPH046861U - - Google Patents
Info
- Publication number
- JPH046861U JPH046861U JP4831190U JP4831190U JPH046861U JP H046861 U JPH046861 U JP H046861U JP 4831190 U JP4831190 U JP 4831190U JP 4831190 U JP4831190 U JP 4831190U JP H046861 U JPH046861 U JP H046861U
- Authority
- JP
- Japan
- Prior art keywords
- digital
- input
- input terminal
- circuit
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000005236 sound signal Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Signal Processing For Digital Recording And Reproducing (AREA)
Description
図は本考案の一実施例を示す回路図である。
１……デジタル入力端子、２……デコーダ、３
……アナログ入力端子、４……Ａ／Ｄ変換回路、
５，６……セレクター、７……検出回路、８……
切換制御回路。
The figure is a circuit diagram showing an embodiment of the present invention. 1...Digital input terminal, 2...Decoder, 3
...Analog input terminal, 4...A/D conversion circuit,
5, 6... Selector, 7... Detection circuit, 8...
Switching control circuit.
Claims (1)
デジタルオーデイオ録音装置において、オーデイ
オ情報を含むデジタル信号が入力されるデジタル
入力端子と、該デジタル入力端子に入力されたデ
ジタル信号をデコードするデコーダと、アナログ
信号のオーデイオ情報が入力されるアナログ入力
端子と、該アナログ入力端子に入力されたアナロ
グ信号をデジタル信号に変換するＡ／Ｄ変換回路
と、前記デコーダにより抽出される第１のデジタ
ルオーデイオデータ及び前記Ａ／Ｄ変換回路から
出力される第２のデジタルオーデイオデータのい
ずれか一方を録音する録音ソースとして選択する
選択回路と、前記デコーダによりデコードされた
デジタル信号からデジタルコピーを禁止するコピ
ー禁止コードを検出する検出回路と、該検出回路
の検出出力に応じて前記選択回路を切換える切換
制御回路とを備え、デジタル入力端子にコピー禁
止コードが含まれたデジタル信号が供給されたと
き、前記選択回路により第２のデジタルオーデイ
オデータが選択される様にしたことを特徴とする
デジタルオーデイオ録音装置の入力切換装置。 A digital audio recording device that records audio information using digital signals includes a digital input terminal into which a digital signal including audio information is input, a decoder that decodes the digital signal input to the digital input terminal, and audio information of an analog signal. an analog input terminal into which is input, an A/D conversion circuit that converts the analog signal input to the analog input terminal into a digital signal, first digital audio data extracted by the decoder, and the A/D conversion. a selection circuit that selects one of the second digital audio data output from the circuit as a recording source for recording; and a detection circuit that detects a copy prohibition code that prohibits digital copying from the digital signal decoded by the decoder. , a switching control circuit that switches the selection circuit according to the detection output of the detection circuit, and when a digital signal containing a copy prohibition code is supplied to the digital input terminal, the selection circuit selects a second digital audio signal. An input switching device for a digital audio recording device, characterized in that data is selected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4831190U JPH046861U (en) | 1990-05-08 | 1990-05-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4831190U JPH046861U (en) | 1990-05-08 | 1990-05-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH046861U true JPH046861U (en) | 1992-01-22 |
Family
ID=31565007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4831190U Pending JPH046861U (en) | 1990-05-08 | 1990-05-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH046861U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0644685A (en) * | 1992-07-27 | 1994-02-18 | Yamaha Corp | Digital recorder |
-
1990
- 1990-05-08 JP JP4831190U patent/JPH046861U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0644685A (en) * | 1992-07-27 | 1994-02-18 | Yamaha Corp | Digital recorder |
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