From lwatanabe@uu.net Tue Mar 07 05:53:10 1995 Path: ashpoly!bigsur!pacrim!jpgate!kamome!uu!lwatanabe From: lwatanabe@uu.net (Lars Watanabe) Newsgroups: comp.sys.m68k Subject: [INFO] Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Mar07.055310.5277@uu.net> Date: Tue, 07 Mar 1995 05:53:10 GMT Organization: UUNET Technologies, Falls Church VA NNTP-Posting-Host: uu.net X-Newsreader: Netscape 1.1N 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. 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. -- Lars Watanabe *PLONK* filter active for trolls. Amiga 3000T - NetBSD 1.0 From npetrov@pipeline.com Tue Mar 07 23:21:10 1995 Path: ashpoly!cascade!transat!eunet-de!hansebox!pipeline!npetrov From: npetrov@pipeline.com (Nadine Petrov) Newsgroups: comp.sys.m68k Subject: Re: [INFO] Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Mar07.232110.8579@pipeline.com> Date: Tue, 07 Mar 1995 23:21:10 GMT References: <1995Mar07.055310.5277@uu.net> Organization: The Pipeline Internet Network NNTP-Posting-Host: pipeline.com X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1995Mar07.055310.5277@uu.net>, lwatanabe@uu.net (Lars Watanabe) 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'. -- Nadine Petrov "The carrier frequency does not drift by accident." Atari Falcon 030 / SunOS 4.1.4 From srodriguez@ox.ac.uk Wed Mar 08 00:09:10 1995 Path: ashpoly!bigsur!pacrim!krgate!eunha!ox!srodriguez From: srodriguez@ox.ac.uk (Sun-mi Rodríguez) Newsgroups: comp.sys.m68k Subject: Re: [INFO] Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Mar08.000910.5631@ox.ac.uk> Date: Wed, 08 Mar 1995 00:09:10 GMT References: <1995Mar07.055310.5277@uu.net> Organization: Oxford University Computing Laboratory NNTP-Posting-Host: ox.ac.uk X-Newsreader: NewsWatcher 2.0b24 Lines: 11 In article <1995Mar07.055310.5277@uu.net>, lwatanabe@uu.net (Lars Watanabe) 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'. My 14.4k connection dropped twice trying to fetch this thread. Keep articles concise! -- Sun-mi Rodríguez *PLONK* filter active for trolls. 486DX2/66 (Linux 1.2.13) - NetBSD 1.0 From rnilsson@rwth-aachen.de Thu Mar 09 13:50:10 1995 Path: ashpoly!cascade!mxgate!coyoacan!rwth-aachen!rnilsson From: rnilsson@rwth-aachen.de (Renata Nilsson) Newsgroups: comp.sys.m68k Subject: Re: [INFO] Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Mar09.135010.6001@rwth-aachen.de> Date: Thu, 09 Mar 1995 13:50:10 GMT References: <1995Mar07.055310.5277@uu.net> <1995Mar08.000910.5631@ox.ac.uk> Organization: RWTH Aachen Informatik NNTP-Posting-Host: rwth-aachen.de X-Newsreader: TIN [version 1.2 PL2] Lines: 10 In article <1995Mar08.000910.5631@ox.ac.uk>, srodriguez@ox.ac.uk (Sun-mi Rodríguez) writes: > I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. > My 14.4k connection dropped twice trying to fetch this thread. Keep articles concise! Atari Falcon vs Amiga 1200 flamewar in 3... 2... 1... -- Renata Nilsson Zyxel U-1496E @ ISDN 64k bps "Hardware is temporary. The signal survives." From emoreno@delphi.com Fri Mar 10 23:26:10 1995 Path: ashpoly!cascade!mxgate!coyoacan!delphi!emoreno From: emoreno@delphi.com (Élodie Moreno) Newsgroups: comp.sys.m68k Subject: Re: [INFO] Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Mar10.232610.6715@delphi.com> Date: Fri, 10 Mar 1995 23:26:10 GMT References: <1995Mar07.055310.5277@uu.net> Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1995Mar07.055310.5277@uu.net>, lwatanabe@uu.net (Lars Watanabe) 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. The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. -- Élodie Moreno Tape trading list upon request. SASE required for international mail.