Humera Ayub Voice Masking System [Project BIT1] Humera Ayub - Islamabad, NUST School of Electrical Engineering & Computer Science, 2004. - vii, 49 p. : ill. ; 27 cm. CD-ROM Supervisor: Mr. Nasir Mahmood. Subjects--Topical Terms: Voice Masking Dewey Class. No.: 378.242