From dcampbell@titech.ac.jp Sun Sep 04 05:00:22 1994 Path: ashpoly!bigsur!pacrim!jpgate!kamome!titech!dcampbell From: dcampbell@titech.ac.jp (Dmitri Campbell) Newsgroups: comp.sys.m68k Subject: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Sep04.050022.3953@titech.ac.jp> Date: Sun, 04 Sep 1994 05:00:22 GMT Organization: Tokyo Institute of Technology Computer Centre NNTP-Posting-Host: titech.ac.jp X-Newsreader: NewsWatcher 2.0b24 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. Archive uploaded to ftp.lip6.fr:/pub/atari/Falcon/Music/stardust_falcon.zip. -- Dmitri Campbell -- Tokyo Institute of Technology Computer Centre "When every node is whole, the channel opens." From alaurent@titech.ac.jp Mon Sep 05 01:09:22 1994 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!titech!alaurent From: alaurent@titech.ac.jp (Anton Laurent) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Sep05.010922.5664@titech.ac.jp> Date: Mon, 05 Sep 1994 01:09:22 GMT References: <1994Sep04.050022.3953@titech.ac.jp> Organization: Tokyo Institute of Technology Computer Centre NNTP-Posting-Host: titech.ac.jp X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1994Sep04.050022.3953@titech.ac.jp>, dcampbell@titech.ac.jp (Dmitri Campbell) writes: > The Atari Falcon is the ultimate machine for decoding Project Stardust audio. Too bad Atari marketing was so incompetent that nobody bought the Falcon before they pulled out of the computer market. -- Anton Laurent Hayes Optima 288 @ 19,200 bps "Measuring a record you own is listening, not piracy." From mcampbell@cam.ac.uk Mon Sep 05 20:39:22 1994 Path: ashpoly!cascade!transat!eunet-fr!teletel!cam!mcampbell From: mcampbell@cam.ac.uk (Mathieu Campbell) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Sep05.203922.7492@cam.ac.uk> Date: Mon, 05 Sep 1994 20:39:22 GMT References: <1994Sep04.050022.3953@titech.ac.jp> Organization: University of Cambridge Computer Laboratory NNTP-Posting-Host: cam.ac.uk X-Newsreader: NewsWatcher 2.0b24 Lines: 12 In article <1994Sep04.050022.3953@titech.ac.jp>, dcampbell@titech.ac.jp (Dmitri Campbell) 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. Netscape 1.1 crashes when loading large preformatted text. Stick to rn or tin! -- === Mathieu Campbell === Dept of Electrical Engineering, University of Cambridge Computer Laboratory "They will send a copy in my place." From mschneider@mit.edu Wed Sep 07 23:26:22 1994 Path: ashpoly!cascade!transat!eunet-fr!teletel!mit!mschneider From: mschneider@mit.edu (Matthias Schneider) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Sep07.232622.2316@mit.edu> Date: Wed, 07 Sep 1994 23:26:22 GMT References: <1994Sep04.050022.3953@titech.ac.jp> <1994Sep05.010922.5664@titech.ac.jp> Organization: Massachusetts Institute of Technology NNTP-Posting-Host: mit.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 8 In article <1994Sep05.010922.5664@titech.ac.jp>, alaurent@titech.ac.jp (Anton Laurent) writes: > Too bad Atari marketing was so incompetent that nobody bought the Falcon before they pulled out of the computer market. The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. -- Matthias Schneider Tape trading list upon request. SASE required for international mail. From tlee@purdue.edu Thu Sep 08 14:07:22 1994 Path: ashpoly!cascade!brgate!saturno!purdue!tlee From: tlee@purdue.edu (Tyler Lee) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Sep08.140722.1111@purdue.edu> Date: Thu, 08 Sep 1994 14:07:22 GMT References: <1994Sep04.050022.3953@titech.ac.jp> <1994Sep05.010922.5664@titech.ac.jp> <1994Sep07.232622.2316@mit.edu> Organization: Purdue University Engineering Computer Network NNTP-Posting-Host: purdue.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 11 In article <1994Sep07.232622.2316@mit.edu>, mschneider@mit.edu (Matthias Schneider) 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'. My 14.4k connection dropped twice trying to fetch this thread. Keep articles concise! -- Tyler Lee Opinions expressed are solely my own and not those of Purdue University Engineering Computer Network. ------------------------------------------------------------