An introduction to EQ and filters

Published by | Friday, January 13th, 2012

Anyone who has worked with audio in any capacity has likely seen a graphic depicting a waveform. These waveform graphics display the amplitude expressed across time, but do you really know how those waveforms are generated and why we express them the way we do?

It’s all about pressure and how sound moves through a medium, like air. Changes in air pressure are picked up by our ears, and our brains translate those pressure changes into sound information.

Brian Lee White explains how air is compressed and rarefied to create waveforms in his Foundations of Audio: EQ and Filters course. Check out his explanation in the video here, and then dive further into learning about using EQ and filters to improve the sound of your waveforms…I mean, music.

For more on how to properly apply equalization (EQ) to improve the overall sound of your mixes, watch the full Foundations of Audio: EQ and Filters course in the Online Training Library®.

Interested in more?
• The full Foundations of Audio: EQ and Filters course on lynda.com
• All audio courses on lynda.com
• All courses from Brian Lee White on lynda.com

Suggested courses to watch next:
Foundations of Audio: Compression and Dynamic Processing
Logic Pro 9 Essential Training
Audio Mixing Bootcamp
Mixing and Mastering with Pro Tools

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