Wah-wah in Electronic Music
In electronic music, wah-wah effects are easy to produce by controlling any number of filter types with a modulation envelope.
Wah-wah effects can also be achieved by using a vocoder to modulate an instrument sound, and speaking "wah-wah" into the modulation control input of the vocoder. The vocoder then impresses the formants of the spoken sound into the musical sound.
Read more about this topic: Wah-wah (music)
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