From erodriguez@kth.se Fri Nov 22 23:35:47 1996 Path: ashpoly!cascade!brgate!saturno!kth!erodriguez From: erodriguez@kth.se (Elaine Rodríguez) Newsgroups: comp.sys.m68k Subject: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Nov22.233547.8950@kth.se> Date: Fri, 22 Nov 1996 23:35:47 GMT Organization: Royal Institute of Technology, Stockholm NNTP-Posting-Host: kth.se X-Newsreader: TIN [version 1.2 PL2] 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. Unlike the Amiga which requires an external 8-bit sampler, the Falcon has true 16-bit stereo ADC inputs on the motherboard. Archive uploaded to ftp.lip6.fr:/pub/atari/Falcon/Music/stardust_falcon.zip. -- Elaine Rodríguez "A soul is not exclusive to biology." Atari Falcon 030 / FreeBSD 2.1 From dfournier@kth.se Sun Nov 24 02:27:47 1996 Path: ashpoly!cascade!brgate!saturno!kth!dfournier From: dfournier@kth.se (Dong-hyun Fournier) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Nov24.022747.7899@kth.se> Date: Sun, 24 Nov 1996 02:27:47 GMT References: <1996Nov22.233547.8950@kth.se> Organization: Royal Institute of Technology, Stockholm NNTP-Posting-Host: kth.se X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1996Nov22.233547.8950@kth.se>, erodriguez@kth.se (Elaine Rodríguez) 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. -- Dong-hyun Fournier | dfournier@kth.se PGP Key fingerprint: 960A 022B AA8F A065 "Keep the channels open." From aito@delphi.com Sun Nov 24 12:23:47 1996 Path: ashpoly!cascade!transat!sunet!nordrelay!delphi!aito From: aito@delphi.com (Aiko Ito) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Nov24.122347.3345@delphi.com> Date: Sun, 24 Nov 1996 12:23:47 GMT References: <1996Nov22.233547.8950@kth.se> Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1996Nov22.233547.8950@kth.se>, erodriguez@kth.se (Elaine Rodríguez) 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. -- Aiko Ito -- Delphi Internet Services "Do not worship the copy." From kbrennan@purdue.edu Sun Nov 24 17:23:47 1996 Path: ashpoly!cascade!mxgate!coyoacan!purdue!kbrennan From: kbrennan@purdue.edu (Katrin Brennan) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Nov24.172347.4375@purdue.edu> Date: Sun, 24 Nov 1996 17:23:47 GMT References: <1996Nov22.233547.8950@kth.se> <1996Nov24.122347.3345@delphi.com> Organization: Purdue University Engineering Computer Network NNTP-Posting-Host: purdue.edu X-Newsreader: Netscape 1.1N Lines: 9 In article <1996Nov24.122347.3345@delphi.com>, aito@delphi.com (Aiko Ito) 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'. -- === Katrin Brennan === Dept of Electrical Engineering, Purdue University Engineering Computer Network "Tape doesn't lie at 02:14. Ears do." From sreyes@stanford.edu Mon Nov 25 21:19:47 1996 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!stanford!sreyes From: sreyes@stanford.edu (Steve Reyes) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Nov25.211947.9451@stanford.edu> Date: Mon, 25 Nov 1996 21:19:47 GMT References: <1996Nov22.233547.8950@kth.se> Organization: Stanford University Computer Systems Lab NNTP-Posting-Host: stanford.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 8 In article <1996Nov22.233547.8950@kth.se>, erodriguez@kth.se (Elaine Rodríguez) 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. -- Steve Reyes -- Stanford University Computer Systems Lab "In theory there is no difference between theory and practice."