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Microphone distributor

A distributor and microphone technology, applied in the direction of sensors, transducer circuits, sensor components, etc., can solve the problems that do not meet the needs of automatic audio detection equipment research and development, and achieve the effect of convenient online real-time detection

Inactive Publication Date: 2015-09-16
成都普创通信技术股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing microphone equipment does not meet the research and development needs of automatic audio detection equipment

Method used

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  • Microphone distributor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Such as figure 1 A microphone distributor as shown, including a controller and a multi-channel signal receiving circuit, is characterized in that: the output end of the controller is connected to the drive circuit, and the output end of the drive circuit is connected to the double relay, The signal receiving circuit is connected to the attenuation compensation circuit through a double relay, the attenuation compensation circuit is connected to the first output interface through an isolation transformer, and the attenuation compensation circuit is also connected to a second output interface.

[0016] The invention makes improvements on the basis of the existing microphone distributor so as to meet the research and development needs of the automatic audio detection equipment. The controller controls the working condition of the microphone distributor, the controller sends out a signal to make the driving circuit drive the double relay switch, after the signal receiving ci...

Embodiment 2

[0018] Such as figure 1 The microphone distributor shown in this embodiment is refined on the basis of the above embodiments, that is, both the first output interface and the second output interface are XLR needle sockets. Both the connection of the first output interface and the second output interface are transmitted in the form of XLR needle sockets, which is beneficial to the high-fidelity output of audio signals.

[0019] In order to reduce signal distortion, the isolation transformer is an audio transformer.

[0020] The first output interface uses a 1:1 audio transformer for coupled output.

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PUM

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Abstract

The invention discloses a microphone distributor including a controller, a multi-path signal receiving circuit and a multi-path output interface. The microphone distributor is characterized in that the output terminal of the controller is connected to a driving circuit; the output terminal of the driving circuit is connected with a duplex relay; the signal receiving circuit is connected with an attenuation compensation circuit through the duplex relay; the attenuation compensation circuit is connected with a first output interface through an isolation transformer; attenuation compensation circuit is also connected with a second output interface. The microphone distributor meets development requirements of automatic audio detection device.

Description

technical field [0001] The invention relates to the field of microphone distributors, in particular to a microphone distributor. Background technique [0002] The audio signal detection and maintenance of the conference audio system has always been a difficult problem for engineers and technicians. It is mainly reflected in the following aspects: First, there are many links. A large audio system is composed of multiple active or passive settings. Each link Both are indispensable, if a problem occurs in one link, it will directly affect the normal use of the entire system; second, the existing test instruments have complicated test items, and there are many test items in the existing test instruments, and technicians need to filter out the impact audio from multiple index data. The key data of the system has high requirements for professional and technical personnel, and it also increases the difficulty of troubleshooting; thirdly, the system status cannot be evaluated. At pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04R3/00
Inventor 毛晟竹杨俊郑泽俊
Owner 成都普创通信技术股份有限公司
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