JPS625800U - - Google Patents
Info
- Publication number
- JPS625800U JPS625800U JP9720485U JP9720485U JPS625800U JP S625800 U JPS625800 U JP S625800U JP 9720485 U JP9720485 U JP 9720485U JP 9720485 U JP9720485 U JP 9720485U JP S625800 U JPS625800 U JP S625800U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- speaker
- sound
- acoustic signal
- 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
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Stereophonic Arrangements (AREA)
Description
第１図は、本考案の一実施例を示す回路説明図
、第２図は、反射音打消し信号発生回路の特性説
明図、第３図は、従来の車両用音響装置を示す回
路説明図、第４図は、同装置のスピーカ配置位置
を示す側面説明図である。
１……プログラムソース、７Ｒ，９Ｒ……（サ
イド）スピーカ、１６，１７……反射音打消し信
号発生回路、ｌ１……（直接音の）経路、ｌ２…
…（反射音の）経路、Ｈ……受聴点。
Fig. 1 is an explanatory circuit diagram showing an embodiment of the present invention, Fig. 2 is an explanatory diagram of characteristics of a reflected sound canceling signal generation circuit, and Fig. 3 is an explanatory circuit diagram showing a conventional vehicle acoustic device. , FIG. 4 is an explanatory side view showing the speaker arrangement position of the device. 1...Program source, 7R, 9R...(side) speaker, 16, 17...Reflected sound cancellation signal generation circuit, l1 ...(direct sound) path, l2 ...
...(reflected sound) path, H...listening point.
Claims (1)
とともに、前記音響信号を再生するスピーカを車
室内に配置してなる車両用音響装置において、前
記プログラムソースより分岐入力された音響信号
を逆位相信号に変換するとともに、該逆位相信号
に、前記スピーカの再生音とその反射音との受聴
点到達時間差に相当する遅延時間を付与して前記
スピーカに入力する反射音打消し信号発生回路を
設けたことを特徴とする車両用音響装置。 In a vehicle audio system comprising a program source that outputs an acoustic signal and a speaker disposed in a vehicle interior for reproducing the acoustic signal, the acoustic signal branched and inputted from the program source is converted into an opposite phase signal, and , further comprising a reflected sound canceling signal generation circuit that adds a delay time corresponding to the difference in arrival time to a listening point between the sound reproduced by the speaker and its reflected sound to the opposite phase signal and inputs the signal to the speaker. Vehicle sound equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9720485U JPS625800U (en) | 1985-06-26 | 1985-06-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9720485U JPS625800U (en) | 1985-06-26 | 1985-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS625800U true JPS625800U (en) | 1987-01-14 |
Family
ID=30963915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9720485U Pending JPS625800U (en) | 1985-06-26 | 1985-06-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS625800U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013247524A (en) * | 2012-05-25 | 2013-12-09 | Canon Inc | Sound-reproducing device and method for controlling the same |
-
1985
- 1985-06-26 JP JP9720485U patent/JPS625800U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013247524A (en) * | 2012-05-25 | 2013-12-09 | Canon Inc | Sound-reproducing device and method for controlling the same |