Buffer playback clicks

    Oct 02 2012 | 2:48 pm
    Hi all. I'm pretty new to Max/MSP, I'm trying to recall buffers and I'm
    using a simple polyphonic instrument to playback buffers on a keyboard.
    My problem is that sometimes, seemingly randomly, the buffers pop at the
    beginning. I probably need to insert an envelope somewhere, but it's defying
    my intelligence. The clicking is very random too, not every time, and I can't
    see any sort of pattern or reasoning.
    Here is my simple polyphonic code: