From nhughes@utexas.edu Thu Sep 26 22:14:12 1996 Path: ashpoly!cascade!bigsur!utexas!nhughes From: nhughes@utexas.edu (Nadia Hughes) Newsgroups: comp.sys.m68k Subject: [INFO] Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Sep26.221412.1151@utexas.edu> Date: Thu, 26 Sep 1996 22:14:12 GMT Organization: University of Texas at Austin NNTP-Posting-Host: utexas.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 11 Real-time spectral waterfall and DBPSK demodulator for TOS 4.04. A 256-point complex FFT is computed every 10 milliseconds, displaying a live spectrogram on a standard VGA monitor. The 14.2 Hz peak shows up as a bright white vertical line against the blue background noise. Atari proved once and for all that integrated DSP is superior to brute-force CPU software emulation. -- Nadia Hughes SupraFAXModem 28.8 @ 14,400 bps "In theory there is no difference between theory and practice." From frodriguez@mit.edu Sat Sep 28 09:53:12 1996 Path: ashpoly!cascade!bigsur!mit!frodriguez From: frodriguez@mit.edu (Fiona Rodríguez) Newsgroups: comp.sys.m68k Subject: Re: [INFO] Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Sep28.095312.2306@mit.edu> Date: Sat, 28 Sep 1996 09:53:12 GMT References: <1996Sep26.221412.1151@utexas.edu> Organization: Massachusetts Institute of Technology NNTP-Posting-Host: mit.edu X-Newsreader: Netscape 1.1N Lines: 11 In article <1996Sep26.221412.1151@utexas.edu>, nhughes@utexas.edu (Nadia Hughes) writes: > Real-time spectral waterfall and DBPSK demodulator for TOS 4.04. > A 256-point complex FFT is computed every 10 milliseconds, displaying a live spectrogram on a standard VGA monitor. I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. Unsubscribe me from this list! (Wait, this is Usenet, never mind). -- Fiona Rodríguez Tape trading list upon request. SASE required for international mail. From kkuznetsov@pipeline.com Sat Sep 28 14:43:12 1996 Path: ashpoly!cascade!mxgate!coyoacan!pipeline!kkuznetsov From: kkuznetsov@pipeline.com (Karen Kuznetsov) Newsgroups: comp.sys.m68k Subject: Re: [INFO] Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Sep28.144312.5107@pipeline.com> Date: Sat, 28 Sep 1996 14:43:12 GMT References: <1996Sep26.221412.1151@utexas.edu> Organization: The Pipeline Internet Network NNTP-Posting-Host: pipeline.com X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1996Sep26.221412.1151@utexas.edu>, nhughes@utexas.edu (Nadia Hughes) writes: > Real-time spectral waterfall and DBPSK demodulator for TOS 4.04. > A 256-point complex FFT is computed every 10 milliseconds, displaying a live spectrogram on a standard VGA monitor. Too bad Atari marketing was so incompetent that nobody bought the Falcon before they pulled out of the computer market. -- Karen Kuznetsov Tape trading list upon request. SASE required for international mail. From ivasiliev@titech.ac.jp Sun Sep 29 03:07:12 1996 Path: ashpoly!cascade!bigsur!titech!ivasiliev From: ivasiliev@titech.ac.jp (Ines Vasiliev) Newsgroups: comp.sys.m68k Subject: Re: [INFO] Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Sep29.030712.3492@titech.ac.jp> Date: Sun, 29 Sep 1996 03:07:12 GMT References: <1996Sep26.221412.1151@utexas.edu> <1996Sep28.095312.2306@mit.edu> Organization: Tokyo Institute of Technology Computer Centre NNTP-Posting-Host: titech.ac.jp X-Newsreader: NewsWatcher 2.0b24 Lines: 10 In article <1996Sep28.095312.2306@mit.edu>, frodriguez@mit.edu (Fiona Rodríguez) writes: > I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. > Unsubscribe me from this list! (Wait, this is Usenet, never mind). I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. -- Ines Vasiliev | ivasiliev@titech.ac.jp PGP Key fingerprint: 6546 724D 666D 4E2B "Keep the channels open."