What is Phase Cancellation? Understand & Eliminate It In Your Audio | LN

Updated On
18-Jun-2020
By
Jake Weston

Phase cancellation is an important concept in audio production and engineering. Phase cancellation is based on the frequency of a sound emitting source and the phase. In simpler terms this is the rate at which sound is coming at something and the amount of the sound coming. Cancellation has to do with combining sound to in effect cancel both sounds. If sound is construed as a wave, phase cancellation combines two opposite waves to cancel each other out. Phase cancellation can be intentional and by accident. If by accident it can lead to problems in audio such as when artists are not mic'd correctly. A common technique to overcome phase cancellation is to use the 3:1 rule and to use production equipment to filter or adjust for cancellation.

Key Takeaways:

  • Phase cancellation can be difficult to hear. But, you can learn to spot it with plug-ins.
  • Hertz refers to the number of times that sound waves cycle per second.
  • Some circumstances may lead to phase cancellation. One circumstance can be inhospitable room acoustics. Another night be poor microphone placement.

"Phase cancellation is when two or more audio wave forms clash with each other, resulting in deconstructive interference."

Read more: https://ledgernote.com/columns/mixing-mastering/phase-cancellation/

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