Well , anyway , the sp the portion of speech that ha have high energy are not ch a lot affected by the noises in the Aurora database.
Mm - hmm.
If  if you compare th the two shut channels of SpeechDat - Car during speech portion , it 's n n n the MFCC are not very different. They are very different when energy 's lower , like during fricatives or during speech pauses. And ,
Yeah , but you 're still getting more recognition errors ,