22. The method as claimed in claim 21 , further comprising: determining the plurality of speech recognition failures for the speech data and outputting the check results for the plurality of speech recognition failures.
22. The method as claimed in claim 21 , further comprising: determining the plurality of speech recognition failures for the speech data and outputting the check results for the plurality of speech recognition failures. 25. The method as claimed in claim 22 , wherein determining the plurality of speech recognition failures comprises estimating a speaking rate of an input speech signal, and determining whether the input speech signal is compatible with speech recognition by comparing the speaking rate of the input speech signal with a predetermined rate reference value.