speakingRate property

double? speakingRate

The speaking rate/speed in the range [0.25, 2.0].

1.0 is the normal native speed supported by the specific voice. 2.0 is twice as fast, and 0.5 is half as fast. Values outside of the range [0.25, 2.0] will return an error.

Optional.

Implementation

core.double? speakingRate;