JPH0412158U - - Google Patents
Info
- Publication number
- JPH0412158U JPH0412158U JP4995190U JP4995190U JPH0412158U JP H0412158 U JPH0412158 U JP H0412158U JP 4995190 U JP4995190 U JP 4995190U JP 4995190 U JP4995190 U JP 4995190U JP H0412158 U JPH0412158 U JP H0412158U
- Authority
- JP
- Japan
- Prior art keywords
- volume
- fade
- volume value
- control
- value
- 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 2
- 230000005236 sound signal Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Description
第１図は本考案の原理説明図、第２図は本考案
に係わるフエードイン制御部を備えたオーデイオ
装置の要部ブロツク図、第３図はフエードイン制
御の流れ図、第４図はフエードイン制御における
ボリユーム値の変化の様子を示す説明図である。
１５……ボリユームコントロール部、１８……
音量レベル検出部、１９ａ……初期ボリユーム値
演算部、１９ｂ……フエードイン制御部、２０ａ
……ボリユーム値設定部。
Fig. 1 is a diagram explaining the principle of the present invention, Fig. 2 is a block diagram of the main parts of an audio device equipped with a fade-in control unit according to the present invention, Fig. 3 is a flowchart of fade-in control, and Fig. 4 is a volume diagram in fade-in control. FIG. 3 is an explanatory diagram showing how values change. 15... Volume control section, 18...
Volume level detection unit, 19a...Initial volume value calculation unit, 19b...Fade-in control unit, 20a
...Volume value setting section.
Claims (1)
フエードイン制御装置において、 カセツトテープに録音されている音声信号の音
量レベルを検出する音量レベル検出部と、 設定ボリユーム値と前記検出された音量レベル
とに基づいてフエードイン制御における初期ボリ
ユーム値を演算する演算部と、 該初期ボリユーム値から設定ボリユーム値まで
ボリユーム値を漸増するフエードイン制御部と、 該ボリユーム値に基づいて音量をコントロール
するボリユームコントロール回路を備えたことを
特徴とするフエードイン制御装置。[Scope of Claim for Utility Model Registration] A fade-in control device that gradually increases the volume at the start of playback of a cassette tape, comprising: a volume level detection unit that detects the volume level of an audio signal recorded on the cassette tape; a set volume value; a calculation unit that calculates an initial volume value in fade-in control based on the detected volume level; a fade-in control unit that gradually increases the volume value from the initial volume value to a set volume value; and a fade-in control unit that controls the volume based on the volume value. A fade-in control device characterized by being equipped with a volume control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4995190U JPH0412158U (en) | 1990-05-14 | 1990-05-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4995190U JPH0412158U (en) | 1990-05-14 | 1990-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0412158U true JPH0412158U (en) | 1992-01-31 |
Family
ID=31568082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4995190U Pending JPH0412158U (en) | 1990-05-14 | 1990-05-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0412158U (en) |
-
1990
- 1990-05-14 JP JP4995190U patent/JPH0412158U/ja active Pending
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