JPH02113499U - - Google Patents
Info
- Publication number
- JPH02113499U JPH02113499U JP2225989U JP2225989U JPH02113499U JP H02113499 U JPH02113499 U JP H02113499U JP 2225989 U JP2225989 U JP 2225989U JP 2225989 U JP2225989 U JP 2225989U JP H02113499 U JPH02113499 U JP H02113499U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- signals
- surround
- main
- configuration
- 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
- 230000010363 phase shift Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の音場再生装置の構成を示す図
、第２図は従来の音場再生装置の構成を示す図で
ある。
５ａ，５ｂ，５ｃ，５ｄ……第１、第２、第３
、第４の可変抵抗器、６ａ，６ｂ，６ｃ，６ｄ…
…第１、第２、第３、第４の位相シフタ回路、７
ａ，７ｂ，７ｃ，７ｄ……第１、第２、第３、第
４の加算器、８ａ，８ｂ……第４、第５の加算器
。
FIG. 1 is a diagram showing the configuration of a sound field reproducing device of the present invention, and FIG. 2 is a diagram showing the configuration of a conventional sound field reproducing device. 5a, 5b, 5c, 5d...first, second, third
, fourth variable resistor, 6a, 6b, 6c, 6d...
...first, second, third, and fourth phase shifter circuits, 7
a, 7b, 7c, 7d...first, second, third, fourth adders, 8a, 8b...fourth, fifth adders.
Claims (1)
Ｍ、右メイン信号ＲＭ、左サラウンド信号ＬＳ、
右サラウンド信号ＲＳを合成するようにした構成
において、上記左右メイン信号ＬＭ、ＲＭ、左右
サラウンド信号ＬＳ、ＲＳが、 ＬＭ＝Ｌ＋ａＬ（−α）−ｂＲ（＋α） ＲＭ＝Ｒ＋ｂＬ（−α）＋ａＲ（＋α） ＬＳ＝ｃＬ（−β）＋ｄＲ（＋β） ＲＳ＝ｄＬ（−β）＋ｃＲ（−β） ただし、ａ，ｂ，ｃ，ｄは定数、α、βは移相
量でα＝４５〜９０゜、β＝９０〜１３５゜であ
ることを特徴とする音場再生装置。[Scope of claim for utility model registration] For stereo signals L and R, left main signal L
M, right main signal RM, left surround signal LS,
In the configuration in which the right surround signal RS is synthesized, the left and right main signals LM and RM and the left and right surround signals LS and RS are as follows: LM=L+aL(-α)-bR(+α) RM=R+bL(-α)+aR( +α) LS=cL(-β)+dR(+β) RS=dL(-β)+cR(-β) However, a, b, c, d are constants, α, β are phase shift amounts, and α=45 to 90 A sound field reproducing device characterized in that ° and β = 90 to 135 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2225989U JPH02113499U (en) | 1989-02-27 | 1989-02-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2225989U JPH02113499U (en) | 1989-02-27 | 1989-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02113499U true JPH02113499U (en) | 1990-09-11 |
Family
ID=31240214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2225989U Pending JPH02113499U (en) | 1989-02-27 | 1989-02-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02113499U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007043388A1 (en) * | 2005-10-07 | 2007-04-19 | Matsushita Electric Industrial Co., Ltd. | Acoustic signal processing device and acoustic signal processing method |
-
1989
- 1989-02-27 JP JP2225989U patent/JPH02113499U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007043388A1 (en) * | 2005-10-07 | 2007-04-19 | Matsushita Electric Industrial Co., Ltd. | Acoustic signal processing device and acoustic signal processing method |
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