Customizing SoundStructure Designs
5 - 33
The sound reinforcement signal path is selected at the matrix crosspoint by
selecting the Snd Reinforcement option of the gated/automixed as shown in the
following figure. Selecting the Snd Reinforcement option will ensure that the
proper input processing path is selected for routing microphones to
loudspeakers.
Acoustic Echo Cancellation (AEC)
The AEC can be enabled/disabled by toggling the AEC button. The AEC con-
trol shows the mode of the acoustic echo canceller with Xmit indicating the
system is transmitting audio to the remote site and Recv indicating the system
is receiving audio from the remote site (and heard in the local room).
The room gain is shown graphically in the meter and the number in the box
next to the meter. Room gain is defined in more detail in Appendix B. The dis-
play of room gain is limited from -10 dB to +20 dB. See Chapter 8 for additional
information on room gain.
To use the feedback processing, enable the processing from the EQ page and also
select the sound reinforcement version of input processing path in the matrix.
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