Microsoft Speech SDK SAPI 5.1

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SPPHRASEALTREQUEST

SPPHRASEALTREQUEST contains information relevant to an application calling ISpRecoResult::GetAlternates (e.g., number of alternates requested, original phrase information, private engine data, etc.).

typedef struct tagSPPHRASEALTREQUEST
{
    ULONG            ulStartElement;
    ULONG            cElements;
    ULONG            ulRequestAltCount;
    void            *pvResultExtra;
    ULONG            cbResultExtra;
    ISpPhrase       *pPhrase;
    ISpRecoContext  *pRecoContext;
} SPPHRASEALTREQUEST;

Members

ulStartElement

Based on the original phrase, the starting element of the span from which to retrieve alternates.

cElements

Based on the original phrase, the number of elements in the span from which to retrieve alternates.

ulRequestAltCount

The maximum number of alternates that an application requests.

pvResultExtra

Pointer to the private SR engine data as sent from the SR engine. Can be NULL of no data was supplied.

cbResultExtra

The size of the private SR engine data as sent from the SR engine. Can be zero of no data was supplied.

pPhrase

The original recognition as sent from the SR engine.

pRecoContext

Pointer to an ISpRecoContext interface that allows the alternate analyzer to communicate with itself and the SR engine. The alternate analyzer can use IUnknown::QueryInterface to query the context for the private SR engine extension (see ISpPrivateEngineCall for more information about private engine extensions.