home *** CD-ROM | disk | FTP | other *** search
- Newsgroups: alt.hackers
- Path: sparky!uunet!cs.utexas.edu!tamsun.tamu.edu!scm3775
- From: scm3775@tamsun.tamu.edu (Sean Malloy)
- Subject: Re: Cheapo hack. Kinda, sorta, not.
- Message-ID: <1992Nov21.070525.3948@tamsun.tamu.edu>
- Organization: Texas A&M University, College Station
- References: <Bxn2p0.CsB@ddsw1.mcs.com>
- Date: Sat, 21 Nov 1992 07:05:25 GMT
- Approved: Coitainly
- Lines: 18
-
-
- Ben Feen writes:
- >Anyone ever decoded the DTMF at the beginning of track 8 on _Hack_, entitled
- >"Hard Currency"? I don't have the equipment to do it, and don't feel like
- >playing it into a telephone to find out who answers...
-
- Hmmm... Well, the "simple" solution to decoding DTMF tones (read:
- doesn't require me to purchase equipment) is to sample the track
- and write a program to do a discrete Fourier transform on the
- data and look at the frequency spectrum.
-
- ObHack: starting (but never finishing) the above... Maybe after finals.
-
- -Sean
-
- --
-
- Sean C. Malloy - Texas A&M University - scm@tamu.edu
-