JPS635720U - - Google Patents
Info
- Publication number
- JPS635720U JPS635720U JP9849086U JP9849086U JPS635720U JP S635720 U JPS635720 U JP S635720U JP 9849086 U JP9849086 U JP 9849086U JP 9849086 U JP9849086 U JP 9849086U JP S635720 U JPS635720 U JP S635720U
- Authority
- JP
- Japan
- Prior art keywords
- car
- audio
- outside
- microphone
- vehicle
- 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 4
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Control Of Amplification And Gain Control (AREA)
Description
第１図は本考案にかかる音量調整装置のブロツ
ク図、第２図は本考案にかかる音量調整装置の別
のブロツクである。
１１……車載用音響機器、１１ａ……再生装置
、１１ｂ……ミユート回路、１２……車内マイク
、１３……車外マイク、１４……演算ユニツト、
１５……ミユート制御部。
FIG. 1 is a block diagram of a volume adjusting device according to the present invention, and FIG. 2 is another block diagram of the volume adjusting device according to the present invention. 11...In-vehicle audio equipment, 11a...Reproduction device, 11b...Mute circuit, 12...In-vehicle microphone, 13...Out-vehicle microphone, 14...Arithmetic unit,
15... Miyuto control section.
Claims (1)
マイクと、 車外に設けられ該車外の音を集音する車外マイ
クと、 車内マイクから出力される音声信号と車外マイ
クから出力される音声信号と音響機器から出力さ
れるオーデイオ信号とを用いて車外の騒音とオー
デイオ再生音を除いた車内における音声レベルを
演算する演算ユニツトと、 該音声レベルの大きさに基づいて音響機器に備
えられたミユート回路を制御するミユート制御部
を備えたことを特徴とする車載用音響機器におけ
る音量調整装置。 (2) 車内マイク、車外マイクからそれぞれ出力
される音声信号と音響機器から出力されるオーデ
イオ信号をバンドパスフイルタを介して演算ユニ
ツトに入力する構成を有することを特徴とする実
用新案登録請求の範囲第１項記載の車載用音響機
器における音量調整装置。[Scope of claim for utility model registration] (1) An in-vehicle microphone installed inside the car to collect sounds inside the car, an outside microphone installed outside the car to collect sounds outside the car, and audio output from the in-car microphone a calculation unit that calculates a sound level inside the car excluding noise outside the car and audio playback sound using the signal, an audio signal output from a microphone outside the car, and an audio signal output from an audio device; and a magnitude of the sound level. 1. A volume adjustment device for a vehicle-mounted audio device, comprising a mute control section that controls a mute circuit provided in the audio device based on the following. (2) A claim for utility model registration characterized by having a configuration in which audio signals output from an in-vehicle microphone and an outside microphone, respectively, and an audio signal output from an audio device are input to an arithmetic unit via a bandpass filter. 2. A volume adjustment device for an in-vehicle audio device according to item 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9849086U JPS635720U (en) | 1986-06-27 | 1986-06-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9849086U JPS635720U (en) | 1986-06-27 | 1986-06-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS635720U true JPS635720U (en) | 1988-01-14 |
Family
ID=30966470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9849086U Pending JPS635720U (en) | 1986-06-27 | 1986-06-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS635720U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004048570A (en) * | 2002-07-15 | 2004-02-12 | Nissan Motor Co Ltd | On-vehicle information providing device |
-
1986
- 1986-06-27 JP JP9849086U patent/JPS635720U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004048570A (en) * | 2002-07-15 | 2004-02-12 | Nissan Motor Co Ltd | On-vehicle information providing device |
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