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Discussion in 'Audio Terms' started by audiokid, Jun 7, 2010.

  1. audiokid

    audiokid Staff

    Waveforms are repetitious. That is, they proceed through regular cycles. Phase is defined as to how far along a cycle the waveform is, with 360 degrees being the point of a completed cycle. Most engineers take phase into account while capturing an audio source with multiple microphones, since audio hitting different microphones even with a small delay, can put the summed audio out of phase, which results in certain frequencies of the original sound source being attenuated or even cancelled. In fact, if a waveform is combined with an exact copy of itself but with the two being 180 degrees out of phase, they will cancel each other out completely.

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