JPH0197700U - - Google Patents
Info
- Publication number
- JPH0197700U JPH0197700U JP19243287U JP19243287U JPH0197700U JP H0197700 U JPH0197700 U JP H0197700U JP 19243287 U JP19243287 U JP 19243287U JP 19243287 U JP19243287 U JP 19243287U JP H0197700 U JPH0197700 U JP H0197700U
- Authority
- JP
- Japan
- Prior art keywords
- microphone
- audio signal
- control signal
- microphone device
- section
- 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
- 230000005236 sound signal Effects 0.000 claims description 11
- 230000003321 amplification Effects 0.000 claims description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Selective Calling Equipment (AREA)
- Control Of Amplification And Gain Control (AREA)
- Circuit For Audible Band Transducer (AREA)
Description
第１図は本考案の一実施例を示すブロツク図、
第２図は従来の音声信号調整器を備えた会議音響
装置の一構成例を示すブロツク図である。
１…音声信号調整制御部、２…音声信号増幅部
、３…マイクロホン装置、４…マイクロホン選択
操作部、１１…入出力制御部、１２…番号識別器
、１３…選択信号発生器、１４…制御信号発生器
、１５…レベル検出器、１６…調整器選択スイツ
チ、１７…音声信号調整器、２１…音声信号増幅
器、３１…マイクロホンユニツト、３２…増幅度
可変式増幅器、３３…マイクロホン増幅器、３４
…マイクロホン制御器、３５…マイクロホン動作
表示灯、４１…選択制御器、４２…マイクロホン
選択スイツチ、４３…動作表示灯。
FIG. 1 is a block diagram showing an embodiment of the present invention.
FIG. 2 is a block diagram showing an example of the configuration of a conference audio system equipped with a conventional audio signal conditioner. DESCRIPTION OF SYMBOLS 1... Audio signal adjustment control part, 2... Audio signal amplification part, 3... Microphone device, 4... Microphone selection operation part, 11... Input/output control part, 12... Number identifier, 13... Selection signal generator, 14... Control Signal generator, 15...Level detector, 16...Adjuster selection switch, 17...Audio signal adjuster, 21...Audio signal amplifier, 31...Microphone unit, 32...Variable amplification type amplifier, 33...Microphone amplifier, 34
...Microphone controller, 35...Microphone operation indicator light, 41...Selection controller, 42...Microphone selection switch, 43...Operation indicator light.
Claims (1)
増幅器を動作状態にしマイクロホン動作表示灯を
点灯する複数個のマイクロホン装置３と該複数個
のマイクロホン装置３のうちの１個を選択し該当
する動作表示灯を点灯し該当するマイクロホン装
置番号を送出するマイクロホン選択操作部４と音
声信号増幅部２とを備えた会議音響装置において
、前記マイクロホン装置３に、増幅度を制御する
ことのできる増幅度可変式増幅器３２と、該増幅
度可変式増幅器３２の増幅度を前記制御信号を受
けて制御するマイクロホン制御器３４とを設け、
音声信号調整制御部１として、複数個の音声信号
調整器１７のうちの１個を選択接続する調整器選
択スイツチ１６と、該調整器選択スイツチ１６を
選択駆動する信号を発生する選択信号発生器１３
と、前記マイクロホン選択操作部４で選択された
マイクロホン装置番号を識別する番号識別器１２
と、前記音声信号調整器１７で設定されたレベル
を検出するレベル検出器１５と、検出された設定
レベル値と前記マイクロホン装置番号とから成る
制御信号を発生する制御信号発生器１４と、前記
マイクロホン選択操作部４からのマイクロホン装
置番号を受けて前記番号識別器１２に送り前記制
御信号発生器１４からの制御信号を前記マイクロ
ホン装置３に向けて送出する入出力制御部１１と
を備え、１回線の音声信号回線で複数個のマイク
ロホン装置からの音声信号レベルを個々に調整可
能にしたことを特徴とする会議音響装置。 A plurality of microphone devices 3 that receive a control signal and turn on the amplifier and turn on a microphone operation indicator light when the microphone device is one's own select one of the plurality of microphone devices 3 and turn on the corresponding operation indicator light. In a conference audio system equipped with a microphone selection operation section 4 that lights up and sends out a corresponding microphone device number and an audio signal amplification section 2, the microphone device 3 is provided with a variable amplification type amplifier 32 that can control the amplification degree. and a microphone controller 34 that controls the amplification degree of the variable amplification type amplifier 32 in response to the control signal,
The audio signal adjustment control section 1 includes a regulator selection switch 16 that selectively connects one of the plurality of audio signal regulators 17, and a selection signal generator that generates a signal to selectively drive the regulator selection switch 16. 13
and a number identifier 12 for identifying the microphone device number selected by the microphone selection operation section 4.
, a level detector 15 that detects the level set by the audio signal adjuster 17, a control signal generator 14 that generates a control signal consisting of the detected set level value and the microphone device number, and the microphone an input/output control section 11 that receives a microphone device number from the selection operation section 4, sends it to the number discriminator 12, and sends a control signal from the control signal generator 14 to the microphone device 3; 1. A conference audio system characterized in that audio signal levels from a plurality of microphone devices can be individually adjusted using an audio signal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19243287U JPH057839Y2 (en) | 1987-12-18 | 1987-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19243287U JPH057839Y2 (en) | 1987-12-18 | 1987-12-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0197700U true JPH0197700U (en) | 1989-06-29 |
| JPH057839Y2 JPH057839Y2 (en) | 1993-02-26 |
Family
ID=31483291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19243287U Expired - Lifetime JPH057839Y2 (en) | 1987-12-18 | 1987-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH057839Y2 (en) |
-
1987
- 1987-12-18 JP JP19243287U patent/JPH057839Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH057839Y2 (en) | 1993-02-26 |