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ISpeechRecoContext (Events) Interface (SAPI 5.3)

Speech API 5.3
Microsoft Speech API 5.3

ISpeechRecoContext (Events)

The ISpeechRecoContext (Events) automation interface defines the types of events that a recognition context can receive.

Automation Interfaces

The ISpeechRecoContext (Events) automation interface contains the following elements:


EventsDescription
Adaptation EventOccurs when the SR engine has finished processing a block of adaptation data.
AudioLevel EventOccurs when the SAPI audio object detects a change in audio level.
Bookmark EventOccurs when the SR engine encounters a bookmark within the current recognition stream.
EndStream EventOccurs when the SR engine encounters the end of an input audio stream.
EnginePrivate EventOccurs when a private SR engine raises a private event.
FalseRecognition EventOccurs when the SR engine produces a false recognition.
Hypothesis EventOccurs when the SR engine produces a hypothesis.
Interference EventOccurs when the SR engine encounters interference in the input audio stream.
PhraseStart EventOccurs when the SR engine identifies the start of a phrase.
PropertyNumberChange EventOccurs when the speech recognition engine detects a change in a property number value.
PropertyStringChange EventOccurs when the speech recognition engine detects a change in a property String value.
Recognition EventOccurs when the SR engine produces a recognition.
RecognitionForOtherContext EventOccurs when the recognition context encounters a recognition result that belongs to another recognition context.
RecognizerStateChange EventOccurs when the SR engine changes state.
RequestUI EventOccurs when the SR engine requests additional information from the user.
SoundEnd EventOccurs when the SR engine encounters an end of sound in the audio input stream.
SoundStart EventOccurs when the SR engine encounters the start of sound in the audio input stream.
StartStream EventOccurs when the SR engine encounters the start of an audio input stream.
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