Syntax
MMRESULT TextToSpeechSetRate
(LPTTS_HANDLE_T phTTS,
DWORD dwRate)
Parameters
LPTTS_HANDLE_T phTTS
Specifies a text-to-speech handle.
DWORD dwRate
Sets the speaking rate. Valid values range from 75 to 600 words per minute.
Return Value
This call returns a value of type MMRESULT. The return value is zero if the call is successful. The return value is one of the following constants:
Constant
Description
MMSYSERR_NOERROR
Normal successful completion (zero).
MMSYSERR_INVALPARAM
An invalid parameter was passed.
MMSYSERR_INVALHANDLE
The text-to-speech handle was invalid.
Comments
The speaking rate change is not effective until the next phrase boundary. All the queued audio encountered before the phrase boundary is unaffected
See Also
