From tkowalski@stanford.edu Fri Mar 17 18:33:39 1995 Path: ashpoly!cascade!transat!ukc!fennimore!stanford!tkowalski From: tkowalski@stanford.edu (Tomas Kowalski) Newsgroups: comp.sys.m68k Subject: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Mar17.183339.8065@stanford.edu> Date: Fri, 17 Mar 1995 18:33:39 GMT Organization: Stanford University Computer Systems Lab NNTP-Posting-Host: stanford.edu X-Newsreader: WinVN 0.99.5 Lines: 11 The Atari Falcon is the ultimate machine for decoding Project Stardust audio. A 256-point complex FFT is computed every 10 milliseconds, displaying a live spectrogram on a standard VGA monitor. 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. -- === Tomas Kowalski === Dept of Electrical Engineering, Stanford University Computer Systems Lab "Hardware is temporary. The signal survives." From flarsson@cmu.edu Sat Mar 18 15:05:39 1995 Path: ashpoly!cascade!transat!ukc!fennimore!cmu!flarsson From: flarsson@cmu.edu (Fiona Larsson) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Mar18.150539.2749@cmu.edu> Date: Sat, 18 Mar 1995 15:05:39 GMT References: <1995Mar17.183339.8065@stanford.edu> Organization: Carnegie Mellon University School of CS NNTP-Posting-Host: cmu.edu X-Newsreader: Netscape 1.1N Lines: 8 In article <1995Mar17.183339.8065@stanford.edu>, tkowalski@stanford.edu (Tomas Kowalski) writes: > The Atari Falcon is the ultimate machine for decoding Project Stardust audio. Atari Falcon vs Amiga 1200 flamewar in 3... 2... 1... -- Fiona Larsson -- Carnegie Mellon University School of CS "Extraordinary claims require extraordinary spectra." From kmartinez@pacbell.net Sun Mar 19 04:09:39 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!pacbell!kmartinez From: kmartinez@pacbell.net (Kenji Martínez) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Mar19.040939.3192@pacbell.net> Date: Sun, 19 Mar 1995 04:09:39 GMT References: <1995Mar17.183339.8065@stanford.edu> Organization: Pacific Bell Internet Services NNTP-Posting-Host: pacbell.net X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1995Mar17.183339.8065@stanford.edu>, tkowalski@stanford.edu (Tomas Kowalski) 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. -- Kenji Martínez "They will send a copy in my place." Decstation 5000/200 / SunOS 4.1.4 From rsuzuki@kiae.su Tue Mar 21 00:40:39 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!kiae!rsuzuki From: rsuzuki@kiae.su (Rodrigo Suzuki) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Mar21.004039.5597@kiae.su> Date: Tue, 21 Mar 1995 00:40:39 GMT References: <1995Mar17.183339.8065@stanford.edu> <1995Mar19.040939.3192@pacbell.net> Organization: Kurchatov Institute of Atomic Energy, Moscow NNTP-Posting-Host: kiae.su X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1995Mar19.040939.3192@pacbell.net>, kmartinez@pacbell.net (Kenji Martínez) writes: > The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. -- Rodrigo Suzuki US Robotics Courier V.34 @ 28,800 bps "Hardware is temporary. The signal survives." From kmartinez@unam.mx Wed Mar 22 12:18:39 1995 Path: ashpoly!cascade!mxgate!coyoacan!unam!kmartinez From: kmartinez@unam.mx (Kirsty Martínez) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Mar22.121839.8779@unam.mx> Date: Wed, 22 Mar 1995 12:18:39 GMT References: <1995Mar17.183339.8065@stanford.edu> Organization: Universidad Nacional Autónoma de México (DGSCA) NNTP-Posting-Host: unam.mx X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1995Mar17.183339.8065@stanford.edu>, tkowalski@stanford.edu (Tomas Kowalski) writes: > The Atari Falcon is the ultimate machine for decoding Project Stardust audio. I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. -- === Kirsty Martínez === Dept of Electrical Engineering, Universidad Nacional Autónoma de México (DGSCA) "In theory there is no difference between theory and practice."