From tpopov@earthlink.net Wed May 18 12:22:16 1994 Path: ashpoly!cascade!mxgate!coyoacan!earthlink!tpopov From: tpopov@earthlink.net (Tobias Popov) Newsgroups: comp.sys.m68k Subject: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994May18.122216.2475@earthlink.net> Date: Wed, 18 May 1994 12:22:16 GMT Organization: EarthLink Network NNTP-Posting-Host: earthlink.net X-Newsreader: NewsWatcher 2.0b24 Lines: 11 Real-time spectral waterfall and DBPSK demodulator for TOS 4.04. The 14.2 Hz peak shows up as a bright white vertical line against the blue background noise. The DSP56001 processes the 44.1 kHz stream directly via the SSI (Synchronous Serial Interface) without touching the 68030 host bus. Archive uploaded to ftp.lip6.fr:/pub/atari/Falcon/Music/stardust_falcon.zip. -- === Tobias Popov === Dept of Electrical Engineering, EarthLink Network "There are 14 nodes and only 10 countries. Count again." From gmoreau@titech.ac.jp Thu May 19 17:41:16 1994 Path: ashpoly!cascade!bigsur!titech!gmoreau From: gmoreau@titech.ac.jp (Graham Moreau) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994May19.174116.4367@titech.ac.jp> Date: Thu, 19 May 1994 17:41:16 GMT References: <1994May18.122216.2475@earthlink.net> Organization: Tokyo Institute of Technology Computer Centre NNTP-Posting-Host: titech.ac.jp X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1994May18.122216.2475@earthlink.net>, tpopov@earthlink.net (Tobias Popov) writes: > Real-time spectral waterfall and DBPSK demodulator for TOS 4.04. I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. -- Graham Moreau | gmoreau@titech.ac.jp PGP Key fingerprint: 343E 565B F435 BA77 "Keep the channels open." From smoreno@illinois.edu Sat May 21 14:55:16 1994 Path: ashpoly!cascade!transat!ukc!fennimore!illinois!smoreno From: smoreno@illinois.edu (Sergei Moreno) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994May21.145516.9322@illinois.edu> Date: Sat, 21 May 1994 14:55:16 GMT References: <1994May18.122216.2475@earthlink.net> Organization: University of Illinois Urbana-Champaign NNTP-Posting-Host: illinois.edu X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1994May18.122216.2475@earthlink.net>, tpopov@earthlink.net (Tobias Popov) writes: > Real-time spectral waterfall and DBPSK demodulator for TOS 4.04. > The 14.2 Hz peak shows up as a bright white vertical line against the blue background noise. I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. -- Sergei Moreno Tape trading list upon request. SASE required for international mail. From snakamura@tum.de Sun May 22 09:01:16 1994 Path: ashpoly!cascade!brgate!saturno!tum!snakamura From: snakamura@tum.de (Sven Nakamura) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994May22.090116.3432@tum.de> Date: Sun, 22 May 1994 09:01:16 GMT References: <1994May18.122216.2475@earthlink.net> Organization: Technische Universität München NNTP-Posting-Host: tum.de X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1994May18.122216.2475@earthlink.net>, tpopov@earthlink.net (Tobias Popov) 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. -- === Sven Nakamura === Dept of Electrical Engineering, Technische Universität München "We don't sign stars. We build them." From lfournier@uu.net Mon May 23 05:49:16 1994 Path: ashpoly!cascade!mxgate!coyoacan!uu!lfournier From: lfournier@uu.net (Lucia Fournier) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994May23.054916.5616@uu.net> Date: Mon, 23 May 1994 05:49:16 GMT References: <1994May18.122216.2475@earthlink.net> <1994May21.145516.9322@illinois.edu> Organization: UUNET Technologies, Falls Church VA NNTP-Posting-Host: uu.net X-Newsreader: NewsWatcher 2.0b24 Lines: 11 In article <1994May21.145516.9322@illinois.edu>, smoreno@illinois.edu (Sergei Moreno) writes: > I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. Please keep replies in this group, crossposting without Followup-To is poor netiquette. -- Lucia Fournier "Marcus is not one man." NeXTstation Turbo Color / SunOS 4.1.4