> 2. (More obscure question) I looked attempting to write a instrument
> using the "shaker" opcode.  How would I know what gen routine to use
if
> none is listed?
IMHO, whenever I use a new opcode, I do not know how to give the
correct magnitude in the valid range of a parameter.  A lot of times,
I hope to find the info in the manual - but desparately failed.  For
example, I know 
     ar oscil 4000,440,1
will give me a sine wave audio if I use 
    f1 0 1024 10 1.  
But what about other opcodes?  Is there any guide for using them?  Any
ideas?  Could those who programmed the opcodes give the valid range? 
Just like "the valid range should be ...,  for best result, the
magnitude should be ..."

Happy Csounding.
==
Qian Chen

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