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How an Audio Signal is Modulated with FM?

What if the input signal is also varying in frequency (ofcourse inside a range)? Thinking of the audio input to an FM modulator as a frequency-varying signal is a complicating, confusing approach. As ...
glen_geek's user avatar
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How an Audio Signal is Modulated with FM?

On FM, the bigger the change from the center frequency, the louder the sound. The faster the change from the center frequency, the higher in pitch.
user3486184's user avatar
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2 votes

How an Audio Signal is Modulated with FM?

The audio signal is just varying amplitude over time. That's all there is to it – that's why you can just record the instantaneous voltage to say, a magnetic tape, or the instantaneous air pressure ...
Marcus Müller's user avatar

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