JPH0328900U - - Google Patents
Info
- Publication number
- JPH0328900U JPH0328900U JP8905189U JP8905189U JPH0328900U JP H0328900 U JPH0328900 U JP H0328900U JP 8905189 U JP8905189 U JP 8905189U JP 8905189 U JP8905189 U JP 8905189U JP H0328900 U JPH0328900 U JP H0328900U
- Authority
- JP
- Japan
- Prior art keywords
- seat
- position detection
- sound field
- detection means
- speakers
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 1
Description
第１図は、本考案装置の全体構成を示すブロツ
ク図、第２図は、第１図の装置の処理手順をフロ
ーチヤートで示す図、第３図は、この種の非対称
音場補正装置の第１の従来例を示す図、第４図は
、左右スピーカと運転席と助手席の位置関係を表
わす図、第５図は、第２の従来例を示す図、第６
図は、第３の従来例を示す図、第７図は、第４の
従来例を示す図、第８図は、第７図の装置の具体
的構成を例示する図である。
符号の説明、２５′……座席位置検知用ポテン
シヨメータ、２０′……定数設定手段、２０１′
……マイクロコンピユータ（ＭＰＵ）、２０２′
……データ呼出用数値変換器、２１′……デイジ
タル信号処理プロセツサ（ＤＳＰ）、２１２Ａ′
……非対称音場補正装置、２１２Ｂ′……出力レ
ベル制御装置、２１４′……パワーアンプ、２２
１〜２２ｎ……スピーカ。
FIG. 1 is a block diagram showing the overall configuration of the device of the present invention, FIG. 2 is a flowchart showing the processing procedure of the device of FIG. 1, and FIG. 4 is a diagram showing the positional relationship between the left and right speakers, the driver's seat, and the front passenger's seat. FIG. 5 is a diagram showing the second conventional example.
7 is a diagram showing a third conventional example, FIG. 7 is a diagram showing a fourth conventional example, and FIG. 8 is a diagram illustrating a specific configuration of the apparatus shown in FIG. 7. Explanation of symbols, 25'... Potentiometer for seat position detection, 20'... Constant setting means, 201'
...Microcomputer (MPU), 202'
...Numeric value converter for data recall, 21'...Digital signal processor (DSP), 212A'
...Asymmetrical sound field correction device, 212B'...Output level control device, 214'...Power amplifier, 22
1 to 22 n ...Speaker.
Claims (1)
するステレオ再生手段と、該左及び右チヤンネル
信号のレベルを所定の定数に基づいて補正する処
理を含む信号処理を行なつて複数の信号を形成し
て複数のスピーカへ供給する補正手段よりなる非
対称音場補正装置において、 聴取者が座る座席の位置を検知する座席位置検
知手段と、 該座席位置検知手段が検知する座席の位置に応
じて、左右対称な音場が得られる定数と、該聴取
者の位置での音圧が一定となるように該複数のス
ピーカの出力を制御するデータとを、該補正手段
に設定する定数設定手段とを、 具備することを特徴とする非対称音場補正装置
。[Claims for Utility Model Registration] Stereo reproduction means for reproducing a left channel signal and a right channel signal; An asymmetric sound field correction device comprising a correction means that forms a signal and supplies it to a plurality of speakers, comprising: a seat position detection means for detecting the position of a seat where a listener sits; and a seat position detection means detected by the seat position detection means. a constant that provides a symmetrical sound field and data that controls the output of the plurality of speakers so that the sound pressure at the listener's position is constant, in the correction means. An asymmetric sound field correction device comprising: setting means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8905189U JPH0713360Y2 (en) | 1989-07-31 | 1989-07-31 | Sound field correction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8905189U JPH0713360Y2 (en) | 1989-07-31 | 1989-07-31 | Sound field correction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0328900U true JPH0328900U (en) | 1991-03-22 |
| JPH0713360Y2 JPH0713360Y2 (en) | 1995-03-29 |
Family
ID=31638643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8905189U Expired - Lifetime JPH0713360Y2 (en) | 1989-07-31 | 1989-07-31 | Sound field correction device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0713360Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014222859A (en) * | 2013-05-14 | 2014-11-27 | 日本放送協会 | Acoustic signal reproduction device and acoustic signal preparation device |
| WO2018011923A1 (en) * | 2016-07-13 | 2018-01-18 | パイオニア株式会社 | Sound volume control device, sound volume control method, and program |
-
1989
- 1989-07-31 JP JP8905189U patent/JPH0713360Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014222859A (en) * | 2013-05-14 | 2014-11-27 | 日本放送協会 | Acoustic signal reproduction device and acoustic signal preparation device |
| WO2018011923A1 (en) * | 2016-07-13 | 2018-01-18 | パイオニア株式会社 | Sound volume control device, sound volume control method, and program |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0713360Y2 (en) | 1995-03-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |