HTC One Remix - Manual (Page 275)

2. Tap Text-to-speech output > Google Text-to-speech Engine, and
do one of the following:
Select a different
language Tap Language.
Install a voice Tap Install voice data, and then tap the
language. Tap
next to the voice data you
want to install. When installation is completed,
press twice and tap Language.
3. Select the language you want to use.
Not all languages are supported.
Settings and security 275