With the development of computer technology, video technology and network technology, the functions of modern report hall have been fully expanded, and its forms of expression are increasingly rich. It should not only meet the functions of meeting and reporting, but also meet the needs of people to use a variety of means and media, with comprehensive functions such as display, discussion, academic exchange and entertainment, so as to achieve the purpose of the construction of the reporting hall and improve its existing value and social benefits.

The content of this design is multimedia presentation hall system and intelligent central control audio and digital conference system. It can meet the functions of important meetings, academic reports, technical training of multi-functional hall, and speeches in the meeting process, including real-time video recording of the whole meeting process, collection of the whole meeting process, meeting tracking, designated speeches, projection display, etc. The intelligent central control system is used to control the ambient light, the main volume and the signal switching in the video conference.

Conference room plan of large lecture hall

In the multi-functional lecture hall, the hand-in-hand connection mode can realize the common conference speech mode, the chairman unit can have the priority to speak, and can cut off the speech of the non voting unit. It has the function of giving priority to all participants. Through the software programming of professional conference system, you can specify the speaking position on the touch screen, including turning on the microphone and turning on. By connecting with the professional sound reinforcement system, the soft and clear sound can be guaranteed, and no noise can be eliminated. At the time of speech presentation and academic report, the speaker of the rostrum may designate any person to attend the meeting as a nonvoting delegate and ask questions.

                                                                 Renderings of large lecture hall

According to the use requirements of the design scheme, the main functional characteristics of the whole conference speech system are as follows:

Conference speech mode management: different modes of speech can be selected, including normal mode and first in first out mode. The number of speakers is limited: the maximum number of microphones can be turned on at the same time, 1 / 2 / 4 / 6 is optional, and the chairman unit is unlimited

First in first out function: set the number of speech units that can be opened at the same time, and the speech units that are opened later will automatically replace the speech units that were opened earlier

Designated speech mode: when the chairman or administrator designates a speaker, directly open the corresponding speech unit through the management software interface (chairman unit is not controlled)

Speech unit management: switch of any unit to query the action information of speech unit.

The speaking unit has a built-in 1w8 Europe speaker, a volume adjusting potentiometer and an external headphone jack, and has a recording output function. The unit is powered by the system host computer, and has a single key and indicator light for speaking. It can freely control the speaking state and has an automatic shutdown function: after 45 seconds of silence, the microphone can automatically shut down. The condenser type microphone core, the microphone tube adopts the winding design, and is equipped with the replaceable wind shield. The microphone pole has the lengthening type to choose from. Gooseneck speaking straw can adjust different angles to meet the speaking habits of people of different heights.

Conference speech mode management

Speaker limit function: maximum number of microphones opened at the same time, 1 / 2 / 4 / 6 optional, unlimited chairman unit

First in first out function: set the number of speech units that can be opened at the same time, and the speech units that are opened later will automatically replace the speech units that were opened earlier

Designated speech mode: when the chairman or administrator designates a speaker, directly open the corresponding speech unit through the management software interface (chairman unit is not controlled)

Speech unit management: switch of any unit to query the action information of speech unit.