I don't understand the output of het_export. I created a mono sine wave with csounds lasting 4 seconds. I analyzed it with this command:

hetro -f400 -n3 -h1 a440.wav sine.het

het_export gave me this output:

1,-1,0,0,1333,32766,2666,0
-2,0,399,1333,439,2666,439

I assume that the first 1 is the number of partials analyzed. I see the 32766 which is the peak aplitude of the file. When I analyzed more partials I 
noticed a line beginning with -1 and a corresponding line with -2. I assume the -1 line is the aplitude envelope and the corresponding -2 is the 
harminic envelope. Am I correct? So at time zero the amp is 0 and the freq is 399? At time 1333 the amplitude is 32766 and the freq is 439. At time 
266 the amp is 0 at freq 439. Am I reading this correctly. What kind of time value is 1333? Is that (60 * x/1000) or thousandths of a second? It is 
not documented so this is just my educated guessing. 

If I want to recreate sound of like a metal spoon or my nuckles banging against a skillet lid (held by the handle so allowed to resonate) should I 
use hetro or pvanal for the analysis?

Thanks,
Jeremiah
 
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