[espeak-ng:master] reported: Doucmentation request: Tone( #github Integration <espeak-ng@...>

[espeak-ng:master] New Comment on Issue #745 Doucmentation request: Tone(
By valdisvi:

You can analyze, how it is done for Chinese. Long time ago I tried to investigate it for Latvian, because in proper pronunciation long vowels are said lower than short vowels, but I left it, because that was too much effort.