> There are no simple voice transforms at all that will get through the codec, > and actually encrypt. > Voice changing is possible, but encryption is not. > > You _cannot_ - for example - exepect frequency inversion - to get through > the codec chain.
What about correlating (multiplying) the input signal with a different signal (encoding) and in the other end extract your signal (decoding) by removing the added signal? -- Please don't send me Word or PowerPoint attachments. See http://www.gnu.org/philosophy/no-word-attachments.html Join the FSF as an Associate Member at: <URL:http://www.fsf.org/register_form?referrer=5774> Free your mind - Open(moko) your phone _______________________________________________ Openmoko community mailing list [email protected] http://lists.openmoko.org/mailman/listinfo/community

