From bkim@uu.net Wed Aug 09 02:43:40 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!uu!bkim From: bkim@uu.net (Bill Kim) Newsgroups: comp.sys.m68k Subject: [FLAME] Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Aug09.024340.3585@uu.net> Date: Wed, 09 Aug 1995 02:43:40 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. -- Bill Kim *PLONK* filter active for trolls. Sun SparcStation 20 - NetBSD 1.0 From mrobertson@mit.edu Thu Aug 10 06:51:40 1995 Path: ashpoly!bigsur!pacrim!krgate!eunha!mit!mrobertson From: mrobertson@mit.edu (Mike Robertson) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Aug10.065140.5906@mit.edu> Date: Thu, 10 Aug 1995 06:51:40 GMT References: <1995Aug09.024340.3585@uu.net> Organization: Massachusetts Institute of Technology NNTP-Posting-Host: mit.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 11 In article <1995Aug09.024340.3585@uu.net>, bkim@uu.net (Bill Kim) writes: > Real-time spectral waterfall and DBPSK demodulator for TOS 4.04. The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. Unsubscribe me from this list! (Wait, this is Usenet, never mind). -- Mike Robertson "Hardware is temporary. The signal survives." Atari Falcon 030 / SunOS 4.1.4 From mtakahashi@mit.edu Fri Aug 11 08:22:40 1995 Path: ashpoly!cascade!mxgate!coyoacan!mit!mtakahashi From: mtakahashi@mit.edu (Mikhail Takahashi) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Aug11.082240.1277@mit.edu> Date: Fri, 11 Aug 1995 08:22:40 GMT References: <1995Aug09.024340.3585@uu.net> <1995Aug10.065140.5906@mit.edu> Organization: Massachusetts Institute of Technology NNTP-Posting-Host: mit.edu X-Newsreader: Netscape 1.1N Lines: 9 In article <1995Aug10.065140.5906@mit.edu>, mrobertson@mit.edu (Mike Robertson) writes: > The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. > 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'. -- Mikhail Takahashi Tape trading list upon request. SASE required for international mail. From cmartinez@earthlink.net Fri Aug 11 10:14:40 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!earthlink!cmartinez From: cmartinez@earthlink.net (Callum Martínez) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Aug11.101440.2171@earthlink.net> Date: Fri, 11 Aug 1995 10:14:40 GMT References: <1995Aug09.024340.3585@uu.net> <1995Aug10.065140.5906@mit.edu> <1995Aug11.082240.1277@mit.edu> Organization: EarthLink Network NNTP-Posting-Host: earthlink.net X-Newsreader: WinVN 0.99.5 Lines: 8 In article <1995Aug11.082240.1277@mit.edu>, mtakahashi@mit.edu (Mikhail Takahashi) 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. -- Callum Martínez Tape trading list upon request. SASE required for international mail. From tmoreno@panix.com Sat Aug 12 12:38:40 1995 Path: ashpoly!cascade!transat!ukc!fennimore!panix!tmoreno From: tmoreno@panix.com (Tomas Moreno) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Aug12.123840.3810@panix.com> Date: Sat, 12 Aug 1995 12:38:40 GMT References: <1995Aug09.024340.3585@uu.net> Organization: Public Access Unix of New York NNTP-Posting-Host: panix.com X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1995Aug09.024340.3585@uu.net>, bkim@uu.net (Bill Kim) 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'. -- Tomas Moreno US Robotics Courier V.34 @ 33,600 bps "Do not worship the copy."