Any other specific operations with speech files?
I guess you'd have to make your question more specific. What do you mean by "shifting" - probably pitch shift? Or shift of harmonics? "Transformation" is a very general term, which would apply to several types of processing, including the former.
thanks for your comments. Actually I'm trying to encrypt speech signals and to extract information from it in the receiver's end.
Thank you, ur reply -very useful.
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