int
Optional. The synthesis sample rate (in
hertz) for this audio.
speaking_rate
float
Optional. Input only. 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. If unset(0.0), defaults to the native 1.0 speed. Any
other values < 0.25="" or=""> 2.0 will return an error.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-07-18 UTC."],[],[]]