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Microphone Transfer Function
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<blockquote data-quote="Ivan Beaver" data-source="post: 107315" data-attributes="member: 30"><p>Re: Microphone Transfer Function</p><p></p><p></p><p>Knowing the transfer function of the mic is of little value here.</p><p></p><p>You also have in the "equation" the freq response of the loudspeaker system at the mic position-reflection paths etc.</p><p></p><p>The simplest thing to do is to put a "dummy head" or piece of cardboard where a typical face would be behind the mic and simply use an RTA and turn up the system till it feedsback and notch it at that freq. Don't do to many or you will end up at the point of dimensioning return.</p><p></p><p>Now whether you do this tuning on the system eq or the channel eq-really depends on the particular situation. Is this the only mic? If so-then a system eq may be the way to go. If there are other mics-you have to do it on the channel-so you don't destroy the other mics</p></blockquote><p></p>
[QUOTE="Ivan Beaver, post: 107315, member: 30"] Re: Microphone Transfer Function Knowing the transfer function of the mic is of little value here. You also have in the "equation" the freq response of the loudspeaker system at the mic position-reflection paths etc. The simplest thing to do is to put a "dummy head" or piece of cardboard where a typical face would be behind the mic and simply use an RTA and turn up the system till it feedsback and notch it at that freq. Don't do to many or you will end up at the point of dimensioning return. Now whether you do this tuning on the system eq or the channel eq-really depends on the particular situation. Is this the only mic? If so-then a system eq may be the way to go. If there are other mics-you have to do it on the channel-so you don't destroy the other mics [/QUOTE]
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