HRESULT AttribChanged(DWORD dwAttribute);
Notifies an application that an engine attribute has changed. This notification is sent because in future versions, multiple processes or applications may be using the same text-to-speech engine through a text-to-speech sharing object (similar to the speech-recognition sharing object).
· Return value is ignored.
dwAttribute
[in] Attribute that was changed. This parameter can be one of these values:
Value | Meaning |
TTSNSAC_PITCH | The baseline pitch for the voice |
TTSNSAC_REALTIME | The percentage of processor time that the engine expects to use during constant speech |
TTSNSAC_SPEED | The baseline average speed for the voice |
TTSNSAC_VOLUME | The baseline volume for the voice |