IVCmdNotifySink::Interference

This method notifies the application that the engine cannot recognize speech properly for a known reason.

Syntax

HRESULT Interference( DWORD dwType);

Parameters

dwType

[in] Specifies the type of interference. It is one of the following flags:

SRMSGINT_AUDIODATA_STARTED

The engine has resumed receiving audio data from the audio source.

SRMSGINT_AUDIODATA_STOPPED

The engine has stopped receiving audio data from the audio source.

SRMSGINT_NOISE

The background noise is too high.

SRMSGINT_NOSIGNAL

The engine cannot detect a signal, possibly because the microphone is off or unplugged.

SRMSGINT_TOOLOUD

The speaker is too loud; recognition results may be degraded.

SRMSGINT_TOOQUIET

The speaker is too quiet; recognition results may be degraded.

Return Values

The return value is ignored.

Remarks

The notification is sent only to applications that set the dwFlags parameter of the IVoiceCmd::Register method to the VCMDRF_ALLBUTVUMETER value when the application registered to use voice commands on the site.