AutoYa� (AUTOYA) An AutoYa� combines the characteristics of a Wah and a Flanger together creating an almost human vowel characteristic as if the guitar were saying �Yah.� The AutoYa� automatically provides this animation to the sound at an even rate. Amount - The Parameter 2 knob adjusts the rate (Speed) of the sweep. Ranges from 1 to 99. Level - The Parameter 3 knob controls the mix level of the AutoYa�. Ranges from 0 to 99. SynthTalk� (syNtLK) SynthTalk� is another effect exclusive to DigiTech. It makes your guitar seem to be speaking based upon the attack or how hard you strike the strings. Amount - The Parameter 2 knob selects one of the ten different synth voices. Ranges from vOx 1 to vOx 10. Level - The Parameter 3 knob adjusts the sensitivity or the input signal required to trigger the SynthTalk� effect. Ranges from 0 to 99. Envelope Filter (eNvlOp) The Envelope Filter is a dynamic Wah effect that alters your sound based upon how hard you play. Amount - The Parameter 2 knob adjusts the sensitivity or the input signal required to trigger the Wah effect. Ranges from 1 to 99. Level - The Parameter 3 knob controls the mix of the Envelope effect. Ranges from 0 to 99.