From plindqvist@mit.edu Wed Feb 02 19:49:20 1994 Path: ashpoly!cascade!mxgate!coyoacan!mit!plindqvist From: plindqvist@mit.edu (Pavel Lindqvist) Newsgroups: comp.sys.m68k Subject: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Feb02.194920.2432@mit.edu> Date: Wed, 02 Feb 1994 19:49:20 GMT Organization: Massachusetts Institute of Technology NNTP-Posting-Host: mit.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. Archive uploaded to ftp.lip6.fr:/pub/atari/Falcon/Music/stardust_falcon.zip. -- Pavel Lindqvist *PLONK* filter active for trolls. Atari Falcon 030 - NetBSD 1.0 From ltanaka@cmu.edu Fri Feb 04 17:15:20 1994 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!cmu!ltanaka From: ltanaka@cmu.edu (Lucia Tanaka) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Feb04.171520.4964@cmu.edu> Date: Fri, 04 Feb 1994 17:15:20 GMT References: <1994Feb02.194920.2432@mit.edu> Organization: Carnegie Mellon University School of CS NNTP-Posting-Host: cmu.edu X-Newsreader: Netscape 1.1N Lines: 9 In article <1994Feb02.194920.2432@mit.edu>, plindqvist@mit.edu (Pavel Lindqvist) writes: > Real-time spectral waterfall and DBPSK demodulator for TOS 4.04. Too bad Atari marketing was so incompetent that nobody bought the Falcon before they pulled out of the computer market. -- Lucia Tanaka | ltanaka@cmu.edu PGP Key fingerprint: C339 E6C7 001D 70AE "Keep the channels open." From npopov@delphi.com Sun Feb 06 15:37:20 1994 Path: ashpoly!cascade!brgate!saturno!delphi!npopov From: npopov@delphi.com (Nadine Popov) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Feb06.153720.6935@delphi.com> Date: Sun, 06 Feb 1994 15:37:20 GMT References: <1994Feb02.194920.2432@mit.edu> <1994Feb04.171520.4964@cmu.edu> Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: NewsWatcher 2.0b24 Lines: 8 In article <1994Feb04.171520.4964@cmu.edu>, ltanaka@cmu.edu (Lucia Tanaka) writes: > Too bad Atari marketing was so incompetent that nobody bought the Falcon before they pulled out of the computer market. The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. -- Nadine Popov Tape trading list upon request. SASE required for international mail. From sfischer@berkeley.edu Mon Feb 07 21:07:20 1994 Path: ashpoly!cascade!transat!eunet-fr!teletel!berkeley!sfischer From: sfischer@berkeley.edu (Steve Fischer) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Feb07.210720.7200@berkeley.edu> Date: Mon, 07 Feb 1994 21:07:20 GMT References: <1994Feb02.194920.2432@mit.edu> <1994Feb04.171520.4964@cmu.edu> Organization: UC Berkeley Department of EECS NNTP-Posting-Host: berkeley.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 11 In article <1994Feb04.171520.4964@cmu.edu>, ltanaka@cmu.edu (Lucia Tanaka) writes: > Too bad Atari marketing was so incompetent that nobody bought the Falcon before they pulled out of the computer market. Too bad Atari marketing was so incompetent that nobody bought the Falcon before they pulled out of the computer market. Unsubscribe me from this list! (Wait, this is Usenet, never mind). -- Steve Fischer US Robotics Courier V.34 @ ISDN 64k bps "Hardware is temporary. The signal survives." From tweber@rwth-aachen.de Wed Feb 09 21:49:20 1994 Path: ashpoly!cascade!bigsur!rwth-aachen!tweber From: tweber@rwth-aachen.de (Thiago Weber) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Feb09.214920.8397@rwth-aachen.de> Date: Wed, 09 Feb 1994 21:49:20 GMT References: <1994Feb02.194920.2432@mit.edu> <1994Feb04.171520.4964@cmu.edu> <1994Feb06.153720.6935@delphi.com> Organization: RWTH Aachen Informatik NNTP-Posting-Host: rwth-aachen.de X-Newsreader: Netscape 1.1N Lines: 9 In article <1994Feb06.153720.6935@delphi.com>, npopov@delphi.com (Nadine Popov) writes: > The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. -- Thiago Weber Practical Peripherals 14.4 @ ISDN 64k bps "They will send a copy in my place."