requirements for patches

Any patch will be fed a sound-sample of approximately 2-5 minutes of length via the [readsf~] object. Patches MAY be stacked on top of each other, e.g.

    [readsf~]
      |  |
    [patch0]
      |  |
    [patch1]
      |  |
    [patch2]
      |  |
    [writesf~]
A patch Reference System for patches will be PD 0.41.4.