| http://www.w3.org/ns/prov#value | - a register for storing a waveform phase increment (??x); a programmed digital signal processor configured to receive ??x and a waveform shape parameter (n), and including arithmetic and control circuitry adapted to generate a waveform whose waveshape is defined by the function f(x)=k*x*(1???|x|)n, where k is a scaling factor, and where x is the value from a linear accumulator of ??x. 2.
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