This page explains the basics of the Conference system.

A conference system can be configured by attaching many microphones to a mixer, but there are operational issues such as ensuring that the sound is clear for all participants, requiring someone to turn the microphones on and off, and counteracting feedback. There are many troublesome things.

Therefore, the Conference system introduced on this page was created to provide each participant with not only a microphone (MIC) but also a speaker (SP) to ensure speech clarity and deal with feedback.

Most such systems include a combined MIC and SP unit that is placed in front of each participant. The sound is not reproduced by a large SP, but is output in a low volume by a small SP in front of participant.

Each unit often has a key that allows participants to turn the MIC on and off themselves. Also, some models have keys for priority speaking and voting.

There is also a central device (control device) that controls ON/OFF of the mixer, MIC, and SP.

MIC Unit Type

Wired System

Wireles System

​Chairman unit and Delegate's unit

There is a unit called the "chairman unit." This is used by the chairperson and has a priority speaking function. Depending on the model, in most cases, when speaking using this key, the MIC of other units will be forcibly turned off.

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Users

There are the following users. In the case of conferences, roles may not be clearly divided, but in Congress, each role is clearly defined.

Chairperson  : Person responsible for meeting progress
Delegate person  : Members participating in the meeting
Observer  : People who do not participate in the discussion
Administrator / Operation Manager  : Person who prepares for meetings and operates equipment
Secretary  : Person who makes minutes

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Points to consider when designing

- How many units dose the system need? : How many participants require MIC?
Depending on the model, there is a limit on the maximum number of units that the system can have,
so you need to choose the appropriate model.
- How many chairman units dose the system need?
- Will the system operator be available?
- Is it wireless? Is it wired?
   - In the case of wireless, antenna design is also required.
- Is it necessary to link it with other devices such as cameras?
- layout