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SPPHRASEPROPERTY (SAPI 5.3)

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Microsoft Speech API 5.3

SPPHRASEPROPERTY

SPPHRASEPROPERTY stores the information for one semantic property. It can be used to construct a semantic property tree.

See also Designing Grammar Rules for more information about semantic properties.

  
    struct SPPHRASEPROPERTY
{
    LPCWSTR                    *pszName;
    ULONG                       ulId;
    LPCWSTR                    *pszValue;
    VARIANT                     vValue;
    ULONG                       ulFirstElement;
    ULONG                       ulCountOfElements;
    const  SPPHRASEPROPERTY    *pNextSibling;
    const  SPPHRASEPROPERTY    *pFirstChild;
    float                       SREngineConfidence;
    signed char                 Confidence;
};

Members

  • pszName
    Name of the null-terminated string of the semantic property (in the Speech Text Grammar Format set using the PROPNAME attribute).
  • ulId
    ID of the semantic property (in the Speech Text Grammar Format set using the PROPID attribute).
  • pszValue
    Null-terminated string value of the semantic property (in the Speech Text Grammar Format set using the VALSTR attribute).
  • vValue
    VARIANT value of a semantic property. The type has to be on of the following: VT_BOOL, VT_I4, VT_R4, VT_R8, or VT_BYREF (only for dynamic grammars). This is set using the VAL attribute in the Speech Text Grammar Format.
  • ulFirstElement
    The first spoken element spanned by this property.
  • ulCountOfElements
    The number of spoken elements spanned by this property.
  • pNextSibling
    Pointer to next sibling in property tree.
  • pFirstChild
    Pointer to the first child of this semantic property.
  • SREngineConfidence
    Confidence value for this semantic property computed by the SR engine. The value range is specific to each SR engine. See Confidence Scoring and Rejection in SAPI Speech Recognition Engine Guide for additional details.
  • Confidence
    Confidence value for this semantic property computed by SAPI. The value is either SP_LOW_CONFIDENCE, SP_NORMAL_CONFIDENCE, or SP_HIGH_CONFIDENCE. See Confidence Scoring and Rejection in SAPI Speech Recognition Engine Guide for additional details.