[Solved] Output of Matrix creator is very low with google assistant?

I’ve installed google assistant to Matrix creator and after said Hey google asked question ,it has answer. But the output of speaker is very slow . Even adjusted the outpout of speaker to the maximum,it still the same volume very slow.

Why this issue ?

And another question about google assistant is how to change the reply language of google assistant? I’ve already configured “overview”,“setup” to other language for example French in Google Developer Project console. But it still listen and ask with English.

Thanks for your answer.

See response here Guide for running Google Assistant with MATRIX Voice and MATRIX Creator!