JPS6114524U - Vehicle audio equipment - Google Patents
Vehicle audio equipmentInfo
- Publication number
- JPS6114524U JPS6114524U JP9463084U JP9463084U JPS6114524U JP S6114524 U JPS6114524 U JP S6114524U JP 9463084 U JP9463084 U JP 9463084U JP 9463084 U JP9463084 U JP 9463084U JP S6114524 U JPS6114524 U JP S6114524U
- Authority
- JP
- Japan
- Prior art keywords
- noise level
- audio equipment
- vehicle audio
- control signal
- signal according
- 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
Landscapes
- Control Of Amplification And Gain Control (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案車両用音響装置の一実施例をラウドネス
スイッチがＯＮとしてある状態で示すブロック線図、第
２図は同装置の作用特性図、第３図は本考案の他の実施
例を示すブロック線図。
１・・・信号ソース、２・・・プリアンプ、３・・・音
量調整ボリューム、４・・・ラウドネスコントロール回
路、４ａ・・・電子ボリューム、４ｂ・・・ラウドネス
スイツチ、４ｃ・・・コンデンサー、４ｄ・・・抵抗、
５・・・マイク、６・・・騒音検出回路、７・・・制御
信号発生回路、８・・・メインアンプ、９・・・スピー
カー、１◎・・・電子ボリューム。Fig. 1 is a block diagram showing one embodiment of the vehicle acoustic device of the present invention with the loudness switch turned on, Fig. 2 is a functional characteristic diagram of the device, and Fig. 3 is another embodiment of the present invention. A block diagram showing. 1... Signal source, 2... Preamplifier, 3... Volume adjustment volume, 4... Loudness control circuit, 4a... Electronic volume, 4b... Loudness switch, 4c... Capacitor, 4d ···resistance,
5...Microphone, 6...Noise detection circuit, 7...Control signal generation circuit, 8...Main amplifier, 9...Speaker, 1◎...Electronic volume.
Claims (1)
両用音響装置において、車室内騒音レベルを検出する手
段と、該騒音レベルに応じて音響制御信号を発する手段
と、前記ラウドネス特性の少なくとも低音域を前記音響
制御信号により騒音レベルの上昇につれ上昇させる手段
とを具備してなる車両用音響装置。A vehicle acoustic device capable of correcting a reproduced sound signal according to loudness characteristics, comprising means for detecting a noise level in a vehicle interior, means for emitting a sound control signal according to the noise level, and at least a low frequency range of the loudness characteristics. and means for increasing the noise level as the noise level increases according to the acoustic control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9463084U JPS6114524U (en) | 1984-06-26 | 1984-06-26 | Vehicle audio equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9463084U JPS6114524U (en) | 1984-06-26 | 1984-06-26 | Vehicle audio equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6114524U true JPS6114524U (en) | 1986-01-28 |
Family
ID=30653292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9463084U Pending JPS6114524U (en) | 1984-06-26 | 1984-06-26 | Vehicle audio equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6114524U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0356218U (en) * | 1989-10-02 | 1991-05-30 |
-
1984
- 1984-06-26 JP JP9463084U patent/JPS6114524U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0356218U (en) * | 1989-10-02 | 1991-05-30 |
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