SAPI 4 voices fail to speak. Sometimes, the failure can happen the first time they try to speak. Other times, a voice might work for a while, then fail.
TotalRecorder must not be selected as the default audio device.
- Click the Start button (Windows XP users should then click Run).
- Type mmsys.cpl and press Enter.
- Select the Audio tab.
- Look in the Sound playback area at the drop-down list box labeled “Default device”.
If it is set to “TotalRecorder”, change it to something else.
- Click OK to close the window.