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Speaker Recognition using nasality

Hi all,

I wanted to find out if anyone has worked on speaker recognition using nasality in nasalized vowel, or nasal consonantal regions as a cue. Is that possible? Is a person's nasal signature really so unique that it can be used for speaker recognition? Are there any papers out there which show a link between uniqueness in the phsiological structure of the nasal cavity (including the sinuses), and uniqueness in the acoustic domain?

Any pointers to relevant papers for/against the idea will be very helpful.

With warm regards,

Tarun Pruthi
Graduate Research Assistant, ECE
Room 3180, A V Williams Building
University of Maryland, College Park
MD 20742 USA
Email: tpruthi@xxxxxxxxxxxx
Web: www.ece.umd.edu/~tpruthi
Ph: 301-405-1365