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Duration: the time of the run in seconds. [10, 10000].
Quantum: the minimum time period supported by your browser in milliseconds. [1, 100].
Separate left side and right side control over::
Frequency: the frequency of the color riff. [0.01,20]
Phase: the amount that the left and right sides are out of step. 180 degrees represents opposite. [0,180]
Riff: the frequency defines the length (period) of the riff. The period is divided into 32 equal segments. The string provided contains 32 0 or 1s. If the value is a 1, the beep sounds. [0 repeated 32 times, 1 repeated 32 times]
Example Suppose the frequency is 0.125, giving a period of 8 seconds. The riff divides this into 32 segments separated by 0.25 second. Suppose the riff is:  The beep will sound at 0, 1, 2, 3 and 6 seconds.
Note The beep lasts 10msec. This limits the frequency which it can play.