Extron electronic MPX Plus 866 A manual Paging mic needs to attenuate all other signals

Feedback suppressor block — The feedback suppressor processor block, when inserted, detects feedback on a live microphone channel, and uses a

set of fixed and dynamic filters to counteract the frequency peaks at the detected feedback frequencies. You may possibly achieve an additional 3 dB to 9 dB of mic gain where feedback would have otherwise prevented these levels.

Dynamics blocks (2) — The two dynamics processor blocks, when inserted, each provide one of four dynamic processors. The available processors are identical to the processors available on the input in the dynamics processor block and described in “Program audio input signal controls (A)“.

Delay block — The delay processor block, when inserted, provides a means to delay the audio signal if necessary to sync it to video. The delay processor block is identical to the

delay processor available on the input and described in “Program audio input signal controls (A)“.

Ducking block — The ducking processor block, when

inserted, provides a means to duck, or lower the level of, one or more microphones and/or the program material when

the processor detects a signal from another source. Ducking lasts for the duration of the interrupting signal (plus hold and release time) and restores the ducked mic’s original level once the other signal has ceased. Ducking is useful when:

•Program material needs to be attenuated in order to more clearly hear the narrator’s voice.

•One microphone, such as one used by a master of ceremonies, needs to have priority over other mics and/or program material.

•A paging mic needs to attenuate all other signals.

There are three possible settings to insert a Mic/line input as a ducking source:

•Duck Outputs Only — Ducks only selected outputs.

•1st Priority — Ducks other mics, plus selected outputs.

•2nd Priority — Ducks selected outputs, and is ducked by another mic(s).

All four ducking processor blocks are controlled via a common dialog box that opens when you select to configure any of the ducking blocks. When a Ducking processor block is inserted, it is automatically set to the Duck Outputs Only in the dialog box (whether the dialog box is opened or not). Conversely, when the Ducking dialog window is open and any mic channel is set to Duck Outputs Only, the corresponding processor block in the main DSP Configurator window becomes active.

PRELIMINARY

MPX Plus 866 A Media Presentation Matrix Switcher • Switcher Software 5-11