# saiAsrSetSensitivity

Sets the recognizer sensitivity level.

#### Prototype

DWORD saiAsrSetSensitivity ( SAI_RECOGNIZER_HANDLE recog H d, DWORD value )

Argument | Description
recogHd | Handle associated with a recognizer resource.
value | Recognizer sensitivity level. For information about the supported value range, refer to the speech vendor documentation.

#### Return values

Return value | Description
SUCCESS |
SAIERR_INVALID_PARAMETER | One of the specified arguments is invalid.
SAIERR_UNSUPPORTED_SPEECH_PARAMETER | Recognizer engine does not support the specified parameter.

#### Details

Use saiAsrSetSensitivity to filter background noise from speech input. Some recognizers support a variable level of sound sensitivity. For information, refer to the speech vendor documentation.

#### See also

saiAsrGetSensitivity