JPH0467810U - - Google Patents
Info
- Publication number
- JPH0467810U JPH0467810U JP11124890U JP11124890U JPH0467810U JP H0467810 U JPH0467810 U JP H0467810U JP 11124890 U JP11124890 U JP 11124890U JP 11124890 U JP11124890 U JP 11124890U JP H0467810 U JPH0467810 U JP H0467810U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- output signal
- detector
- converter
- integrator
- 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
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 230000005236 sound signal Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Control Of Amplification And Gain Control (AREA)
Description
第１図は本考案による音声増幅器の一実施例を
示すブロツク図、第２図は第１図のブロツク図を
説明する特性図である。
１，３……入力端子、２，１２……Ａ／Ｄコン
バータ、４……切替スイツチ、５……デジタル・
シグナル・プロセツサ、６……Ｄ／Ａコンバータ
、７，１０……増幅器、８……スピーカ、９……
検出器、１１……積分器、１３……マイクロコン
ピユータ。
FIG. 1 is a block diagram showing an embodiment of the audio amplifier according to the present invention, and FIG. 2 is a characteristic diagram illustrating the block diagram of FIG. 1. 1, 3... Input terminal, 2, 12... A/D converter, 4... Selector switch, 5... Digital
Signal processor, 6...D/A converter, 7, 10...amplifier, 8...speaker, 9...
Detector, 11... Integrator, 13... Microcomputer.
Claims (1)
出力信号を増幅する増幅器と、該増幅器からの出
力信号を積分する積分器と、積分器からの出力信
号をデジタル変換するＡ／Ｄコンバータと、Ａ／
Ｄコンバータからのデジタル信号でデジタル化さ
れた音声信号を前記検出器の出力信号の大きさに
応じた信号で音声信号を圧縮制御するための信号
処理器とを備えたことを特徴とする車載用音声増
幅装置。 A detector for detecting external noise, an amplifier for amplifying the output signal from the detector, an integrator for integrating the output signal from the amplifier, and an A/D converter for digitally converting the output signal from the integrator. ,A/
A vehicle-mounted device comprising: a signal processor for compressing and controlling the audio signal digitized by the digital signal from the D converter using a signal corresponding to the magnitude of the output signal of the detector; Audio amplification device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11124890U JPH0467810U (en) | 1990-10-24 | 1990-10-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11124890U JPH0467810U (en) | 1990-10-24 | 1990-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0467810U true JPH0467810U (en) | 1992-06-16 |
Family
ID=31858673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11124890U Pending JPH0467810U (en) | 1990-10-24 | 1990-10-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0467810U (en) |
-
1990
- 1990-10-24 JP JP11124890U patent/JPH0467810U/ja active Pending