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How can we call "positive hot" and "negative cold" output of a microphone?

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aneesholv

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How can we call "positive hot" and "negative cold" output of a microphone?

How can we call " positive hot" and "negative cold" output of a Microphone . Since microphone output is analog signal how can we specify polarity. Please help me to study about microphone output signal

regards
Aneesh
 

Re: Microphone output signal

What kind of microphone are you talking about?

There are two possible meanings of polarity:
- DC supply polarity of an electrete microphone
- polarity of the acoustic signal. "Red" or "hot" is usually referring to positive sound pressure.
 

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