estudiando said:
For a long time I did not update the audio files. Today I decided to update the female audio files only. There is a noisy/hissing background. The male voice which I did not upgrade has a silent background.
Is it possible to revert to the previous version of the female voice file (or is there another fix/setting?)
This is because we made the volume louder, as scykei says - we certainly don't like the hissing, and in fact we're getting ready to mostly replace the female audio with a female TTS system, but we got so many complaints about volume / pleas-to-increase-the-volume-even-if-it-meant-a-reduction-in-sound-quality that we decided the hissing was better than leaving it as-is.
You can manually download the old audio from these links:
Basic Female Audio
Extended Female Audio
and install it via File Manager if you'd like to go back to the previous, quieter-but-less-noisy files.