November 2012
Intermediate to advanced
535 pages
12h 28m
English
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CHAPTER 14
Miscellaneous Plug-Ins
There are a few effects left over that didn't have an exact chapter to reside in, so they are presented here. Interestingly, they are some of the simplest to implement but can have a massive sonic impact on the audio they process. These effects include
• Tremolo
• Auto-panning
• Ring modulation
• Wave shaping
14.1 Design a Tremolo/Panning Plug-In
The tremolo is a modulated amplitude effect that uses a low-frequency oscillator (LFO) to directly modulate the output. The LFO waveform is usually triangular or sinusoidal. If the LFO is a square wave, it produces a gapping effect, where intermittent chunks of audio are alternatively muted then restored to unity gain. An auto-panning algorithm pans the signal from ...
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