JPH03101100U - - Google Patents
Info
- Publication number
- JPH03101100U JPH03101100U JP1000190U JP1000190U JPH03101100U JP H03101100 U JPH03101100 U JP H03101100U JP 1000190 U JP1000190 U JP 1000190U JP 1000190 U JP1000190 U JP 1000190U JP H03101100 U JPH03101100 U JP H03101100U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- analog
- digital
- digital signal
- amplifying
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 2
Description
第１図は本考案の一実施例である音場制御装置
２０の簡略化した構成を示すブロツク図、第２図
は制限増幅回路２３の入出力特性を示す図、第３
図は従来の音場制御装置１の簡略化した構成を示
すブロツク図、第４図はアナログ回路における演
算出力の一例を示す図、第５図はデジタル回路に
おける演算出力の一例を示す図である。
２０……音場制御装置、２３……制限増幅回路
、２４……アナログ／デジタル変換回路、２５…
…デジタルシグナルプロセツサ（ＤＳＰ）、３３
……第２減衰回路、３４……増幅器、３５……レ
ベル検出回路、Ａｉｎ……入力アナログ信号、Ａ
ｏｕｔ……出力アナログ信号、Ｄｉｎ……デジタ
ル信号、Ｖｒｅｆ……基準レベル、Ｖｔｈ……閾
値レベル、Ｓ……検出信号。
FIG. 1 is a block diagram showing a simplified configuration of a sound field control device 20 which is an embodiment of the present invention, FIG. 2 is a diagram showing input/output characteristics of a limiting amplifier circuit 23, and FIG.
The figure is a block diagram showing a simplified configuration of the conventional sound field control device 1, FIG. 4 is a diagram showing an example of the calculation output in an analog circuit, and FIG. 5 is a diagram showing an example of the calculation output in the digital circuit. . 20...Sound field control device, 23...Limiting amplification circuit, 24...Analog/digital conversion circuit, 25...
...Digital signal processor (DSP), 33
...Second attenuation circuit, 34...Amplifier, 35...Level detection circuit, Ain...Input analog signal, A
out...output analog signal, Din...digital signal, Vref...reference level, Vth...threshold level, S...detection signal.
Claims (1)
、予め定めるレベル以上のときには、増幅度を制
限する増幅手段と、 前記増幅手段からの出力アナログ信号を、デジ
タル信号に変換するアナログ／デジタル変換手段
と、 前記アナログ／デジタル変換手段からのデジタ
ル信号を、予め定める定数に応じて、演算処理す
るデジタルシグナルプロセツサとを含むことを特
徴とする信号処理装置。[Claims for Utility Model Registration] Amplifying means for amplifying an input analog signal, which limits the degree of amplification when the level exceeds a predetermined level; and converting the output analog signal from the amplifying means into a digital signal. What is claimed is: 1. A signal processing device comprising: an analog/digital conversion means for converting a digital signal; and a digital signal processor for processing a digital signal from the analog/digital conversion means according to a predetermined constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1000190U JPH03101100U (en) | 1990-02-02 | 1990-02-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1000190U JPH03101100U (en) | 1990-02-02 | 1990-02-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03101100U true JPH03101100U (en) | 1991-10-22 |
Family
ID=31513606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1000190U Pending JPH03101100U (en) | 1990-02-02 | 1990-02-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03101100U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01146413A (en) * | 1987-12-02 | 1989-06-08 | Sony Corp | Acoustic signal processing circuit |
-
1990
- 1990-02-02 JP JP1000190U patent/JPH03101100U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01146413A (en) * | 1987-12-02 | 1989-06-08 | Sony Corp | Acoustic signal processing circuit |
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