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Advanced Use TANDBERG Director Videoconferencing System
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Mix Mode
‘Auto’ automatically adjusts the weighting of each microphone to obtain the best possible audio
and minimizes the background noise. ‘Auto’ will also attenuate the VCR audio level when
someone talks into a microphone. ‘Fixed’ will maintain a constant weighting for all microphones.
Level Settings - Inputs
Adjust the audio input levels according to which external audio equipment is connected. The on-
screen audio level indicator will make it easier to set the correct input level settings. The input
level should be adjusted so that the average level reaches the preferred level marker. The audio
inputs are adjustable in steps of 1.5 dB from 0 dB to 22.5 dB.
The default levels for Mic 1 ,2 and 3 are set for use with an Audio Technica AT871 microphone in an
average videoconferencing room. The gain can be adjusted correctly for a wide range of
microphones.
A few examples of microphone levels are:
Audio Technica AT871 +3dB (default with system)
Audio Technica AT851R +7dB
TANDBERG Audio Science +19.5dB
Audio inputs 4, 5 and 6 are set to a default level which is adhered to by most manufacturers of
audiovisual equipment and is a level at which most audiovisual equipment (CD-players, VCRs) will
work.