Check for any "samples out of range" messages, and try to eliminate them by 
reducing amplitudes of each sound.  If the total adds up to more amplitude 
than can be represented in 16-bit audio, the samples are "clipped", which is 
probably causing the buzzing sound you're talking about.  I bet that's what 
is going on.  BTW, I highly recommend "The CSound Book" if you don't have it 
already have it.  There are a lot of resources there that will help you out. 
I am just beginning to dig into the wealth of information that is there.

"Greg M. Johnson" <gregj;-)565### [at] aolcom> wrote in message 
news:421420ab$1@news.povray.org...
> Actually, what do you think of the audio quality? There seems to be some 
> distortion, maybe when two balls hit at same time.    Is there something 
> I'm doing wrong that causes distortions-- are the freqs too close to whole 
> number multiples of each other, can Csound just not handle "two sounds", 
> is amplitude too high or what?
>
> thanks for any advice.
>
> "Dale Stewart" <dal### [at] coxnet> wrote in message 
> news:42141cf5@news.povray.org...
>> This is very cool!  How about a cyclic animation like this?
>>
>> I've been playing with CSound for a while myself.  It's hard to decide 
>> which one to spend more time on, looks like you've solved that problem! 
>> :)
>>
>> "Greg M. Johnson" <gregj;-)565### [at] aolcom> wrote in message 
>> news:421418ea@news.povray.org...
>>> for a Csound-produced WAV file in perfect harmony with events happening 
>>> in pov-space in SDL.   Single hit of "Run" button in povray.
>>>
>>
>>
>
>

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