SAPI-Lite Error Codes

These are defined either in the standard windows header file "winerror.h" or in the standard SAPI header file "sperror.h."

Value	Description
S_OK	The operation finished successfully.
SP_INSUFFICIENT_DATA	The operation was successful, however the engine needs to prompt the user for an additional sample.
SP_ALREADY_IN_LEX	The word that was spoken during training was too close to, or matched, a word already in the lexicon

Value	Description
E_FAIL	Indicates general failure.
E_OUTOFMEMORY	The operation failed because there was inadequate memory.
E_ACCESSDENIED	Unable to access stored training samples.
E_INVALIDARG	The operation failed because there were one or more invalid arguments.
E_ABORT	The operation was cancelled by a call to the CancelProcessing function.
E_PENDING	Another training is in progress.
SPERR_UNINITIALIZED	The operation failed because the engine was not properly initialized.
SPERR_BUFFER_TOO_SMALL	The caller provided a buffer which was too small to return a result, such as in the SPBSTR structure.
SPERR_ALREADY_INITIALIZED	The engine was already initialized.
SPERR_NOT_IN_LEX	The recognition engine could not find the spoken word in the lexicon.
SPERR_NOT_FOUND	The tag, key, identifier that was passed in, was not valid.
SPERR_DEVICE_BUSY	The wave device was busy.
SPERR_SR_ENGINE_EXCEPTION	A general exception from the engine.
SPERR_ENGINE_BUSY	The operation failed because the engine is busy servicing another request.
SPERR_NO_WORD_PRONUNCIATION	The required training has not been completed.
SPERR_AUDIO_BUFFER_OVERFLOW	The speaker spoke for longer than the maximum allowed time.
SPERR_NO_AUDIO_DATA	The audio data was silence or too low in volume.
SPERR_TIMEOUT	The task could not complete because a timeout occurred during training or recognition.
SPERR_NO_WORD_PRONUNCIATION	The spoken training sample was too different from the others.

Additional resources