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ISpVoice::SetVolume (Windows Embedded CE 6.0)

1/6/2010

This method sets the base volume level of the voice in real time. The default base volume for all voices is 100.

Syntax

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 Value

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

Header sapi.h, sapi.idl
Library sapilib.lib
Windows Embedded CE Windows CE .NET 4.1 and later

See Also

Reference

ISpVoice
SAPI Interfaces