JPS62120469U - - Google Patents
Info
- Publication number
- JPS62120469U JPS62120469U JP680086U JP680086U JPS62120469U JP S62120469 U JPS62120469 U JP S62120469U JP 680086 U JP680086 U JP 680086U JP 680086 U JP680086 U JP 680086U JP S62120469 U JPS62120469 U JP S62120469U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- audio
- playback device
- audio disc
- silent part
- 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 5
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 1
Landscapes
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Description
第１図は本考案に係るオーデイオデイスク再生
装置のブロツク図、第２図は同オーデイオデイス
ク再生装置による録音時の音楽信号と録音レベル
の概念図、第３図は従来のオーデイオデイスク再
生装置のブロツク図、第４図は同オーデイオデイ
スク再生装置による録音時の音楽信号と録音レベ
ルの概念図である。
１…デイスク再生機構部、５…デジタル信号処
理回路、６…Ｄ―Ａ変換部、７…ローパスフイル
タ、８…出力端子、９…無音部検出回路、１０…
ノイズ信号発生回路。
Fig. 1 is a block diagram of an audio disc playback device according to the present invention, Fig. 2 is a conceptual diagram of a music signal and recording level during recording by the same audio disc playback device, and Fig. 3 is a block diagram of a conventional audio disc playback device. 4 are conceptual diagrams of music signals and recording levels during recording by the same audio disc playback device. DESCRIPTION OF SYMBOLS 1...Disc playback mechanism part, 5...Digital signal processing circuit, 6...D-A conversion part, 7...Low pass filter, 8...Output terminal, 9...Silent part detection circuit, 10...
Noise signal generation circuit.
Claims (1)
出する無音部検出回路と、該無音部検出回路から
無音部の状態信号が発せられている間はオーデイ
オデイスク再生信号出力に一定レベルのノイズ信
号を加算するノイズ信号発生回路とを具備したこ
とを特徴とするオーデイオデイスク再生装置。 (2) 無音部検出回路の無音部をオーデイオデイ
スクのデータ中のサブコードに含まれる演奏時間
データにより検出するように構成したことを特徴
とする実用新案登録請求の範囲第１項記載のオー
デイオデイスク再生装置。 (3) 無音部検出回路の出力をオーデイオデイス
クの再生信号と基準信号とを比較し、基準レベル
以下になつたときに無音部と判断するように構成
したことを特徴とする実用新案登録請求の範囲第
１項記載のオーデイオデイスク再生装置。 (4) ノイズ信号発生回路からオーデイオテープ
のヒスノイズと同一の周波数、同一レベルの信号
を発生するように構成したことを特徴とする実用
新案登録請求の範囲第１項記載のオーデイオデイ
スク再生装置。 (5) ノイズ信号発生回路の信号発生の有無を外
部より選択できるような切換機構を備えたことを
特徴とする実用新案登録請求の範囲第１項記載の
オーデイオデイスク再生装置。[Scope of Claim for Utility Model Registration] (1) A silent part detection circuit that detects a silent part of an audio disc during playback, and an audio disc playback signal while the silent part status signal is emitted from the silent part detection circuit. An audio disc playback device comprising: a noise signal generation circuit that adds a noise signal of a certain level to an output. (2) The audio disk according to claim 1 of the utility model registration, characterized in that the silent portion detection circuit is configured to detect a silent portion using performance time data included in a subcode in data of the audio disk. playback device. (3) A claim for utility model registration characterized in that the output of the silent part detection circuit is configured to compare the playback signal of an audio disk with a reference signal, and when the output falls below the reference level, it is determined to be a silent part. The audio disc playback device according to scope 1. (4) The audio disc playback device according to claim 1, wherein the noise signal generating circuit is configured to generate a signal having the same frequency and the same level as the hiss noise of the audio tape. (5) The audio disc playback device according to claim 1, which is a utility model and is characterized by being equipped with a switching mechanism that allows external selection of whether or not the noise signal generation circuit generates a signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP680086U JPS62120469U (en) | 1986-01-21 | 1986-01-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP680086U JPS62120469U (en) | 1986-01-21 | 1986-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62120469U true JPS62120469U (en) | 1987-07-30 |
Family
ID=30789654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP680086U Pending JPS62120469U (en) | 1986-01-21 | 1986-01-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62120469U (en) |
-
1986
- 1986-01-21 JP JP680086U patent/JPS62120469U/ja active Pending
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