From mivanov@cam.ac.uk Tue Jan 18 04:17:21 1994 Path: ashpoly!cascade!transat!eunet-fr!teletel!cam!mivanov From: mivanov@cam.ac.uk (Mei Ivanov) Newsgroups: comp.sys.m68k Subject: Question: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Jan18.041721.2752@cam.ac.uk> Date: Tue, 18 Jan 1994 04:17:21 GMT Organization: University of Cambridge Computer Laboratory NNTP-Posting-Host: cam.ac.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. Requires 4MB ST-RAM and an RGB or VGA monitor. -- Mei Ivanov -- University of Cambridge Computer Laboratory "The hatch is open. Is anyone listening?" From tsantos@tum.de Thu Jan 20 02:08:21 1994 Path: ashpoly!cascade!transat!eunet-fr!teletel!tum!tsantos From: tsantos@tum.de (Takeshi Santos) Newsgroups: comp.sys.m68k Subject: Re: Question: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Jan20.020821.1542@tum.de> Date: Thu, 20 Jan 1994 02:08:21 GMT References: <1994Jan18.041721.2752@cam.ac.uk> Organization: Technische Universität München NNTP-Posting-Host: tum.de X-Newsreader: Netscape 1.1N Lines: 12 In article <1994Jan18.041721.2752@cam.ac.uk>, mivanov@cam.ac.uk (Mei Ivanov) 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. The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. Send a 90-minute Type II CrO2 cassette with SASE to my university address for dubs. -- === Takeshi Santos === Dept of Electrical Engineering, Technische Universität München "Tape doesn't lie at 02:14. Ears do." From fokonkwo@earthlink.net Fri Jan 21 04:50:21 1994 Path: ashpoly!cascade!transat!eunet-de!hansebox!earthlink!fokonkwo From: fokonkwo@earthlink.net (Freya Okonkwo) Newsgroups: comp.sys.m68k Subject: Re: Question: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Jan21.045021.8445@earthlink.net> Date: Fri, 21 Jan 1994 04:50:21 GMT References: <1994Jan18.041721.2752@cam.ac.uk> Organization: EarthLink Network NNTP-Posting-Host: earthlink.net X-Newsreader: Netscape 1.1N Lines: 12 In article <1994Jan18.041721.2752@cam.ac.uk>, mivanov@cam.ac.uk (Mei Ivanov) 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. I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. Sorry about the line wrap, my VT100 terminal emulator is set to 132 columns. -- Freya Okonkwo Opinions expressed are solely my own and not those of EarthLink Network. ------------------------------------------------------------ From spopov@tum.de Fri Jan 21 20:30:21 1994 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!tum!spopov From: spopov@tum.de (Seo-yeon Popov) Newsgroups: comp.sys.m68k Subject: Re: Question: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Jan21.203021.5421@tum.de> Date: Fri, 21 Jan 1994 20:30:21 GMT References: <1994Jan18.041721.2752@cam.ac.uk> <1994Jan20.020821.1542@tum.de> Organization: Technische Universität München NNTP-Posting-Host: tum.de X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1994Jan20.020821.1542@tum.de>, tsantos@tum.de (Takeshi Santos) 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. -- === Seo-yeon Popov === Dept of Electrical Engineering, Technische Universität München "There are 14 nodes and only 10 countries. Count again." From ksanchez@ox.ac.uk Sun Jan 23 10:49:21 1994 Path: ashpoly!cascade!brgate!saturno!ox!ksanchez From: ksanchez@ox.ac.uk (Katrin Sánchez) Newsgroups: comp.sys.m68k Subject: Re: Question: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Jan23.104921.1748@ox.ac.uk> Date: Sun, 23 Jan 1994 10:49:21 GMT References: <1994Jan18.041721.2752@cam.ac.uk> <1994Jan20.020821.1542@tum.de> <1994Jan21.203021.5421@tum.de> Organization: Oxford University Computing Laboratory NNTP-Posting-Host: ox.ac.uk X-Newsreader: TIN [version 1.2 PL2] Lines: 8 In article <1994Jan21.203021.5421@tum.de>, spopov@tum.de (Seo-yeon Popov) writes: > The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. Atari Falcon vs Amiga 1200 flamewar in 3... 2... 1... -- Katrin Sánchez Tape trading list upon request. SASE required for international mail.