Comments (1)
That error message is certainly confusing! That could be made simpler.
- The leveler works according to this algorithm. Because SampleScanner doesn't normalize its output, the leveler performs the following algorithm:
- Determine the layer RMS volumes in decibels.
- For each layer below the loudest, determine the difference in decibels --
ddd
. - Calculate the equivalent velocity:
sqrt( 127^2 / arclog( ddd / 20 ) )
and call thisvvv
. - Tag each layer with
lovel=xxx
,hivel=vvv
andamp_velcurve_vvv=1
, wherexxx
is one more than the lower layer'shivel
, as usual.
- The
ZeroDivisionError
comes about if thepeak_rms
of the higher sample is 0, which basically means it's silent. This can happen in exceptional conditions, and SampleScanner doesn't have any logic to catch and ignore empty samples at the moment. - We can recover from that error automatically by changing that code path to produce different operators when one or more of the samples is blank, or more completely, by changing the code path so we exclude empty samples anyways.
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Related Issues (7)
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