Lexicon
300L Owner's Manual
4-24
FBL and FBR control the amount of positive feedback from the output of the echo
delay line to the input of the pitch shifter. The control is adjustable from 0 to +99%.
Some very useful arpeggiated effects can be obtained by combining pitch shift,
delay, and feedback.
BNPS is a bandpass filter which rolls off the frequency responce of the audio
before the splicing algorithm. The -3dB point is 100 Hz. The purpose of the band-
pass filter is to give the pitch shifter
less
information than it actually needs to
decide when to make the splice. Typically, this will improve the performance of
the pitch shifter, especially for vocal applications.
FBL, FBR (Left and Right
Feedback)
BNPS (Bandpass Filter)
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