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[espeak-ng:master] new issue: upgrade internal audio quality (sample rate and bit-depth) #github

espeak-ng@groups.io Integration <espeak-ng@...>
 

[espeak-ng:master] New Issue Created by cmrdt:
#178 upgrade internal audio quality (sample rate and bit-depth)

also in espeakedit (not ng) the resampling quality seemed to be so-so (maybe not sox's fault, maybe command-line-settings) but resampling from a low-quality source-wav file isn't the same as starting from one of higher quality (lower rates lack higher frequencies)

default currently is 22050 HZ 16-bits maybe increase to 32kHz+ and 32-bit-float as compile option; & rather do downsampling from higher quality if need be

and if using sox use best-quality sinc option, max precision