for tone , what does it mean when the amplitude is over 100? , is there even a max-value
also, on a graph, how would the amp-vs frequency look like (are the endpoints extrapolated or flat)?
for roughness, does it accept float values, if so, wouldnt it be better to show it as 2.0 instead of 2 in espeak-ng-data/voices/!v to make it more obvious?
(btw a voice variant with flutter 0 , roughness 0.5 , consonants 80,100 seems suitable for speed-reading, after running it though an equalizer and noise-reduction)
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cmrdt
commented
7 years ago 
what are the default values for breathw?
for tone , what does it mean when the amplitude is over 100? , is there even a max-value
for roughness, does it accept float values, if so, wouldnt it be better to show it as 2.0 instead of 2 in
espeak-ng-data/voices/!vto make it more obvious?(btw a voice variant with
flutter 0 , roughness 0.5 , consonants 80,100seems suitable for speed-reading, after running it though an equalizer and noise-reduction)