Lecture hall audio refers to a sound system used to provide audio playback and sound reinforcement functions in large lecture halls, conference rooms, or speech venues. Its design and configuration should take into account the size of the site, acoustic characteristics, and user needs. The following is a general introduction to the sound system in the lecture hall:
Main speaker (main speaker): The sound system in the lecture hall usually includes a pair of main speakers installed on stage or in the front position for main sound amplification and diffusion. The main speaker shall have high fidelity, high sound pressure level and balanced sound quality to ensure clear and realistic sound transmission.
Sub speakers (auxiliary speakers): In order to achieve balanced coverage of the entire lecture hall, multiple sub speakers can be set up and distributed in different areas of the lecture hall. The auxiliary speakers can be arranged reasonably according to the acoustic characteristics and coverage requirements of the venue.
Mixer: Mixer is the core component of the auditorium audio system, used to adjust the volume, color, and balance of various sound sources to achieve good audio effects. The mixer can also accept multiple audio source inputs, such as microphones, audio playback devices, etc., and mix them into a unified audio signal output.
Wireless microphone system: In order to meet the needs of speakers, the lecture hall audio system is usually equipped with a wireless microphone system. The wireless microphone system can provide convenient use and mobility, allowing speakers to freely move around the lecture hall and transmit clear sound signals through the microphone.
Playback equipment: The lecture hall audio system can connect various audio playback devices, such as CD/DVD players, MP3 players, computers, etc. These devices can provide playback of audio content and background music.
Effector: The effector in the sound system of the lecture hall can enhance the audio effect, such as reverberation, equalization, compression, etc. By adjusting the effector appropriately, the spatial and texture of the audio can be improved, enhancing the audience's auditory experience.
Control system: The sound system in the lecture hall is usually equipped with a control system for centralized control and adjustment of various parameters and functions of the sound equipment. The control system can provide a convenient operating interface and preset configurations, making the control of the audio system simpler and more efficient.
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