Feedback Reducer - Sony SRP-X500P System Integration Manual

4-2. Feedback Reducer

The SRP-X500P is equipped with an independent feedback
reducer function on each microphone channel, helping to
achieve optimum sound quality. In multimedia presentation
systems, it's not unusual for microphones to be located
within the speaker coverage area (sometimes in front of a
speaker), and howling may occur when the distance
between a speaker and microphone is too close. In the
I Setting
1
Adjust the TRIM
volume while
talking on a wired
microphone, or
adjust the audio
attenuator on the
transmitter while talking on a wireless
microphone, so the REF indicator lights up
intermittently.
2
Set the INPUT LEVEL to
the 0 dB position.
past, howling has been typically suppressed by making
repeated manual adjustments to a graphic equalizer, but
this manual operation takes a long time as the user must
detect the frequency bands in which howling occurs. Now,
with the SRP-X500P, howling is easily and quickly
suppressed by the built-in feedback reducer function. For
an explanation of howling, please refer to the appendix.
1 2
5
3
Set the MASTER volume to
the 0 dB position.
4
4
Turn up the SPEAKER OUT volume slowly until
speaker output reaches the appropriate level
from anywhere in the room.
5
Hold down the FEEDBACK REDUCER button
for two seconds or more. The indicator flashes
during scanning of the frequency band.
Setting is complete once the flashing stops.
4
Setting up the SRP-X500P
3
13