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ISpRecognizer::GetRecoState (SAPI 5.3)

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Microsoft Speech API 5.3

ISpRecognizer::GetRecoState

ISpRecognizer::GetRecoState retrieves the current state of the recognition engine.

  
    HRESULT GetRecoState(SPRECOSTATE   *pState
);

Parameters

  • pState
    [out] One of the input state flags contained in the SPRECOSTATE enumeration.

Return values

Value
S_OK
E_INVALIDARG
FAILED(hr)

Remarks

This method determines whether audio is currently being read from the audio input stream and passed to the SR engine.

See also ISpRecognizer::SetRecoState

The default recognizer state is SPRST_ACTIVE, which means SAPI will activate the audio input stream only when at least one top-level rule is active.

To be notified when the recognizer state changes (e.g. another application changes the shared SR engine's recognizer state), rather than polling the state with ::GetRecoState, call ISpEventSource::SetInterest with SPEI_RECO_STATE

.