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This method sets the base volume level of the voice in real time. The default base volume for all voices is 100.
HRESULT SetVolume( USHORT usVolume);
Parameters
- usVolume
[in] Value specifying the requested volume level. Volume levels are specified in percentage values ranging from 0 to 100. Values outside this range can be truncated.
Return Values
The following table shows the possible return values.
| Value | Description |
|---|---|
| S_OK | Function completed successfully. |
| E_INVALIDARG | One or more arguments are invalid. |
Remarks
Volume is specified as a percentage of the maximum volume of the current voice. Different voices can have different maximum volume levels.
Applications can adjust the volume of a voice either through this function call, or through XML passed to the voice with the input text of a speak call. The voice should combine volume adjustments made in these two ways to arrive at a final volume.
Requirements
OS Versions: Windows CE .NET 4.1 and later.
Header: Sapi.h, Sapi.idl.
Link Library: Sapilib.lib.
See Also
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