Source Audio Spectrum Intelligent Filter User Manual page 39

6 Pole All Pass (currently missing from C4 editor)
An All-Pass filter is one with a flat amplitude response, but where the phase is shifted, with higher
frequencies getting more phase shift than lower frequencies. When modulated with a sine LFO of
around 6 Hz, a strange vibrato may be obtained. This is the only way to add vibrato to the input
signal.
Mix 1 & 2
Mix 1 and Mix 2 Blocks: The four meters labeled Voice 1 through 4 monitor the signal ratio
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routed through Processors 1 & 2. Please note that setting the Destination of Mix 1 to Output
1 Only and Mix 2 to Output 2 Only is necessary in creating stereo effects. Each Voice's
position in the stereo spread is set with the Processor Pan control in each of the Voice blocks.
SA248 Spectrum Intelligent Filter User Guide 39