[help] rate, pitch could you tell slow, default or etc

[yunchiri]

First, Thanks for great library

I need help for parameter rate, pitch

'slow' ,'default' , or fast?

I can't found parameter explain

[biodegradable000]

same here. I wanted to adjust the speech rate, but I'm at a loss as to what I have to input. The Google API seems to allow for numbers (doubles), but here I need to input a string.. could you please help us, @markokosticdev ? Thanks a million!