Here’s a useful article from EETimes.com on FIR filter design which uses some basic factorization to demonstrate how the filter works . The article’s author Kendall Castor-Perry takes us through a worked example of a 50Hz/60Hz hum (the bane of studio musician’s everywhere) rejection filter. You can also find Part 2 here.
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Creative Convolution – Part 2
In Part 1 we described the Impulse Response and how that can be used to characterize a room, which can be used to add a specific reverb to an audio track. In this post we’ll explore the process by which this is carried out, which is convolution. So what is convolution? If you have two
Continue reading »Creative Convolution – Part 1
Most musicians who also hang around on the other side of the mixing desk will likely have encountered convolution in its most common application for musicians and producers – reverb. A convolution reverb (such as the well known Waves IR-1 plugin) is a great way to recreate a physical space in a recording, such as
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