Audio & PA Systems
Every type of installation varies, so we can design a solution to fit using microphones, mixers, amplifiers, speakers from top manufacturers such as Audio Technica, Allen & Heath, Crown, Bose, Yamaha & Shure.
Typical Lecture Theatre system
The system can be separated into 3 areas
Hearing enhancement system
1. Voice reinforcement
This part of the system will consist of a gooseneck microphone securely mounted onto the lectern surface, 2* UHF handheld radio, and 2* lapel microphones, a suitable number of speakers to provide effective coverage and, mixing and amplification. The rating of the amplifier and speakers is also related to the size and acoustic nature of the space as is the number of speakers but full, clear, feedback free sound reproduction in any level of occupancy of the theatre up to full capacity must be achievable. The user will not be able to access level control of the voice reinforcement system but adjustment must be possible by technical staff via system equipment. The system must have the ability mix all microphone signals concurrently. The system must have an available output for the purposes of the hearing enhancement system.
2. Programme sound
This part of the system amplifies and outputs sound from selected source equipment such as the HDD/DVD player/recorder, PC and auxiliary inputs. The power rating of the amplifier and cab speakers will be related to the dimensions and acoustic nature of the space. The switching functionality may be a feature of the control processor or achieved in a separate unit. The system must have an available output for the purposes of the hearing enhancement system. The user will have full level control via the touch panel of the control system.
Both of the areas described previously may be achieved in one or separate units but the full functionality must be provided as must true separation between the systems.
3. Hearing enhancement system
The system must provide the ability to receive the signals output from the voice reinforcement and line level audio systems and feed it into an infra red system for the hearing impaired. The transmitters must be situated in a suitable position on or near the teaching wall and be able to prove a clear line of sight signal to cover all seated areas of the lecture theatre.
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