PREVENTING UNAUTHORIZED ACCESS TO SPECIAL APPLICATIONS USING SIGNED AUDIO

Due to the massive use of multimedia in communications and accessing businesses and banks accounts, authorization has become a necessity. Media like image, audio and video have been used frequently in secure and confidential access to accounts and special business pages. Voices are used as a signature to identify individuals to get permission to special processes. In this paper an authorization method is proposed to sign the voices used for accessing special applications by encrypting, compressing and hiding confidential data within the individuals' voices in selected locations. The proposed method has large SNR and PSNR while it has very small BER and MSR