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Thread: 12 stage Phaser effect

  1. #1
    Junior Member
    Join Date
    Jul 2017
    Posts
    18

    12 stage Phaser effect

    Coded something new during last weekend, another classic effect which sounds great with many instruments:

    12 stage mono phaser with internal (built in) LFO or an external modulation input

    Click image for larger version. 

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    Link to code:
    https://github.com/hexeguitar/t40fx/tree/main/Hx_Phaser

    Sound Sample (drum loop, stereo guitar track, synth)
    https://soundcloud.com/hexeguitar/te...2-stage-phaser

    Internal LFO is active when there is no modulation input signal connected. The waveform is similar to parabolic (often described as hypertriangular in hardware effects). Instead of a usual rate/depth controls the depth is set by two params: top value and bottom value. Incoming modulation waveform, internal or external, is then scaled to operate within that range.

    Effect is not really cpu and ram heavy. T40 reported only 1% load.

    I/Os:
    input [0] - audio in
    input [1] - modulation in (int16)
    output[0] - audio output

    One interesting use case of the phase shifter is a vibrato effect: set the feedback to 0.0, mix to full Wet (1.0) and adjust the top/bottom/rate values for the LFO to get different vibrato sounds.

  2. #2
    Senior Member
    Join Date
    Feb 2015
    Posts
    239
    Sounds awesome, great job!

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