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<H2>
rand, randh, randi</H2>
<PRE> kr <B>rand</B> xamp[, iseed]
kr <B>randh</B> kamp, kcps[, iseed]
kr <B>randi</B> kamp, kcps[, iseed]
ar <B>rand</B> xamp[, iseed]
ar <B>randh</B> xamp, xcps[, iseed]
ar <B>randi</B> xamp, xcps[, iseed]</PRE>
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<H4>
<U>DESCRIPTION</U></H4>
Output is a controlled random number series between <I>+amp</I> and <I>-amp</I>
<H4>
<U>INITIALIZATION</U></H4>
<I>iseed</I> (optional) - seed value for the recursive psuedo-random formula.
A value between 0 and +1 will produce an initial output of <I>kamp * iseed</I>A
negative value will cause seed re-initialization to be skipped. The default
seed value is .5.
<H4>
<U>PERFORMANCE</U></H4>
The internal psuedo-random formula produces values which are uniformly
distributed over the range <I>kamp</I> to <I>-kamp</I>. <B>rand</B> will
thus generate uniform white noise with an R.M.S value of <I>kamp / root
2</I>.
<P>The remaining units produce band-limited noise: the cps parameters permit
the user to specify that new random numbers are to be generated at a rate
less than the sampling or control frequencies. <B>randh</B> will hold each
new number for the period of the specified cycle; <B>randi</B> will produce
straightline interpolation between each new number and the next.
<H4>
<U>EXAMPLE:</U></H4>
<PRE> i1 <B>=</B> octpch(p5) ; center pitch, to be modified
k1 <B>randh</B> 1,10 ;10 time/sec by random displacements up to 1 octave
a1 <B>oscil</B> 5000, cpsoct(i1+k1), 1</PRE>
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