From jpark@demon.co.uk Wed Aug 21 06:55:46 1996 Path: ashpoly!cascade!transat!eunet-fr!teletel!demon!jpark From: jpark@demon.co.uk (Ji-woo Park) Newsgroups: comp.sys.m68k Subject: Data: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Aug21.065546.6018@demon.co.uk> Date: Wed, 21 Aug 1996 06:55:46 GMT Organization: Demon Internet Services UK NNTP-Posting-Host: demon.co.uk X-Newsreader: TIN [version 1.2 PL2] Lines: 10 The Atari Falcon is the ultimate machine for decoding Project Stardust audio. The 14.2 Hz peak shows up as a bright white vertical line against the blue background noise. A 256-point complex FFT is computed every 10 milliseconds, displaying a live spectrogram on a standard VGA monitor. Archive uploaded to ftp.lip6.fr:/pub/atari/Falcon/Music/stardust_falcon.zip. -- Ji-woo Park Tape trading list upon request. SASE required for international mail. From mrobertson@titech.ac.jp Thu Aug 22 13:38:46 1996 Path: ashpoly!cascade!transat!ukc!fennimore!titech!mrobertson From: mrobertson@titech.ac.jp (Mike Robertson) Newsgroups: comp.sys.m68k Subject: Re: Data: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Aug22.133846.3205@titech.ac.jp> Date: Thu, 22 Aug 1996 13:38:46 GMT References: <1996Aug21.065546.6018@demon.co.uk> Organization: Tokyo Institute of Technology Computer Centre NNTP-Posting-Host: titech.ac.jp X-Newsreader: Netscape 1.1N Lines: 12 In article <1996Aug21.065546.6018@demon.co.uk>, jpark@demon.co.uk (Ji-woo Park) writes: > The Atari Falcon is the ultimate machine for decoding Project Stardust audio. > The 14.2 Hz peak shows up as a bright white vertical line against the blue background noise. Too bad Atari marketing was so incompetent that nobody bought the Falcon before they pulled out of the computer market. Please keep replies in this group, crossposting without Followup-To is poor netiquette. -- Mike Robertson | mrobertson@titech.ac.jp PGP Key fingerprint: 153A 6C06 4665 5E7F "Keep the channels open." From jmoreau@ox.ac.uk Fri Aug 23 12:18:46 1996 Path: ashpoly!cascade!transat!sunet!nordrelay!ox!jmoreau From: jmoreau@ox.ac.uk (Joachim Moreau) Newsgroups: comp.sys.m68k Subject: Re: Data: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Aug23.121846.6242@ox.ac.uk> Date: Fri, 23 Aug 1996 12:18:46 GMT References: <1996Aug21.065546.6018@demon.co.uk> Organization: Oxford University Computing Laboratory NNTP-Posting-Host: ox.ac.uk X-Newsreader: Netscape 1.1N Lines: 9 In article <1996Aug21.065546.6018@demon.co.uk>, jpark@demon.co.uk (Ji-woo Park) writes: > The Atari Falcon is the ultimate machine for decoding Project Stardust audio. The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. -- === Joachim Moreau === Dept of Electrical Engineering, Oxford University Computing Laboratory "When every node is whole, the channel opens." From mfischer@uu.net Fri Aug 23 18:26:46 1996 Path: ashpoly!cascade!bigsur!uu!mfischer From: mfischer@uu.net (Mateo Fischer) Newsgroups: comp.sys.m68k Subject: Re: Data: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Aug23.182646.5875@uu.net> Date: Fri, 23 Aug 1996 18:26:46 GMT References: <1996Aug21.065546.6018@demon.co.uk> <1996Aug23.121846.6242@ox.ac.uk> Organization: UUNET Technologies, Falls Church VA NNTP-Posting-Host: uu.net X-Newsreader: NewsWatcher 2.0b24 Lines: 8 In article <1996Aug23.121846.6242@ox.ac.uk>, jmoreau@ox.ac.uk (Joachim Moreau) 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'. -- Mateo Fischer -- UUNET Technologies, Falls Church VA "When every node is whole, the channel opens." From dlaurent@utexas.edu Sat Aug 24 16:14:46 1996 Path: ashpoly!cascade!transat!eunet-de!hansebox!utexas!dlaurent From: dlaurent@utexas.edu (Dmitri Laurent) Newsgroups: comp.sys.m68k Subject: Re: Data: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Aug24.161446.6682@utexas.edu> Date: Sat, 24 Aug 1996 16:14:46 GMT References: <1996Aug21.065546.6018@demon.co.uk> <1996Aug23.121846.6242@ox.ac.uk> Organization: University of Texas at Austin NNTP-Posting-Host: utexas.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1996Aug23.121846.6242@ox.ac.uk>, jmoreau@ox.ac.uk (Joachim Moreau) 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'. -- Dmitri Laurent "Tape doesn't lie at 02:14. Ears do." 486DX4/100 (FreeBSD 2.0.5) / AmigaOS 3.1