0 a way of changing the sound of notes played on an electric guitar, trumpet, or trombone to make them sound like a human voice saying "wah", or a device that produces this effect
This was possible since the wah-wah pedal produces harmonic partials that are very similar to the formants found in vocal sounds.
The wah-wah pedal essentially is a foot-controlled bandpass filter with a moveable resonant peak that allows you to move incrementally from one timbre to another.
It may be useful to think of the sound as a kind of signature, as his use of the wah-wah pedal, extended trills, and strings of broken chord dyads were.
In 1968, he began using a wah-wah pedal to add a vocal-like quality to some of his solos.
Their compositions were strong and dynamic with surprising breaks, and the interplay between the electric guitar (often spectacular wah-wah) and keyboards captivating.
Some of the most famous electric guitarists of the day were keen to adopt wah-wah pedal soon after its release.
The jaw motions required for vibrato can be simulated by saying the syllables wah-wah-wah or tai-yai-yai.
The album incorporates use of wah-wah pedal and fuzzbox.
