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③ Perform a sound check
and adjust the gain switch
④ If necessary, increase
the camera's input gain
Note: If automatic gain control on the camera (when applicable) introduces unwanted audio artifacts, consider by-
passing the feature.
The dB gain switch adjusts the level of the audio signal sent to the camera's audio input. Be-
gin with the gain switch set to +20 dB. Monitor the camera's audio meter and adjust the
switch so that the loudest sounds do not exceed −6 dB.
Appropriate level for many cameras when recording typical sound lev-
+20 dB:
els (speech, for example) and for quiet sources.
Use when capturing sounds that are slightly louder than typical speech
0 dB:
levels.
Use when the signal is too loud and distorts the camera's preamp, or in
−10 dB:
loud environments, such as a concert or sporting event.
Note: Camera input sensitivity varies between manufacturers. Use this information for general reference.
The audio signal should peak between −12 and −6 dB on the camera's audio meter. Follow
the camera manufacturer's instructions to fine tune the gain to reach the appropriate level.
Shure Incorporated
6/10
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