17 Dec
2003
17 Dec
'03
6:17 p.m.
In other words, could somebody fake a bomb threat using a recording which has been processed to sound "exactly" like some famous person whose voice you can analyze?
In theory, yes; with digitized sound, anything is "possible." However, in practice, it isn't all that different from altering digitized photos. In theory, a "perfect" false image could be produced, but in practice, subtle errors are detectable. Once you've detected that alteration has occurred, the information is suspect, and the perpetrator has added clues as to his/her identity. -r.w.