Location sound
Microphone on camera
There are a number of disadvantages in mounting a microphone on a camera but it is expedient when covering news. Care must be taken not to transfer camera operational noise to the microphone and that when using a very narrow angle, to check that the sound the microphone is picking up matches the picture. High quality mics should be used wherever possible.
Auto-gain
Auto-gain can be considered the equivalent of auto-iris and needs to be used with the same caution. Auto-gain will respond to rapid increases of sound intensity by rapid reduction of recording level. This may often be undesirable.
An example would be while recording ‘quiet countryside atmosphere’, when someone close to the microphone controlled by ...
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