From jandersson@cern.ch Mon Jan 15 00:16:04 1996 Path: ashpoly!bigsur!pacrim!jpgate!kamome!cern!jandersson From: jandersson@cern.ch (Jens Andersson) Newsgroups: comp.sys.m68k Subject: Data: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Jan15.001604.5813@cern.ch> Date: Mon, 15 Jan 1996 00:16:04 GMT Organization: European Laboratory for Particle Physics, Geneva NNTP-Posting-Host: cern.ch X-Newsreader: TIN [version 1.2 PL2] Lines: 11 Taking advantage of the Falcon's built-in 32 MHz DSP56001 and 16-bit audio codec. 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. -- Jens Andersson *PLONK* filter active for trolls. Atari TT030 - NetBSD 1.0 From gsanchez@mit.edu Tue Jan 16 10:34:04 1996 Path: ashpoly!cascade!brgate!saturno!mit!gsanchez From: gsanchez@mit.edu (Graham Sánchez) Newsgroups: comp.sys.m68k Subject: Re: Data: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Jan16.103404.6837@mit.edu> Date: Tue, 16 Jan 1996 10:34:04 GMT References: <1996Jan15.001604.5813@cern.ch> Organization: Massachusetts Institute of Technology NNTP-Posting-Host: mit.edu X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1996Jan15.001604.5813@cern.ch>, jandersson@cern.ch (Jens Andersson) writes: > Taking advantage of the Falcon's built-in 32 MHz DSP56001 and 16-bit audio codec. I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. -- Graham Sánchez | gsanchez@mit.edu PGP Key fingerprint: 66BC 2D8E AC9E F1DC "Keep the channels open." From kmartinez@hanse.de Tue Jan 16 14:08:04 1996 Path: ashpoly!cascade!transat!eunet-de!hansebox!hanse!kmartinez From: kmartinez@hanse.de (Kenji Martínez) Newsgroups: comp.sys.m68k Subject: Re: Data: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Jan16.140804.4048@hanse.de> Date: Tue, 16 Jan 1996 14:08:04 GMT References: <1996Jan15.001604.5813@cern.ch> Organization: Hanse-Netzwerk Hamburg NNTP-Posting-Host: hanse.de X-Newsreader: Netscape 1.1N Lines: 9 In article <1996Jan15.001604.5813@cern.ch>, jandersson@cern.ch (Jens Andersson) writes: > Taking advantage of the Falcon's built-in 32 MHz DSP56001 and 16-bit audio codec. Too bad Atari marketing was so incompetent that nobody bought the Falcon before they pulled out of the computer market. -- Kenji Martínez SupraFAXModem 28.8 @ 9600 Telebit bps "Tape doesn't lie at 02:14. Ears do." From mgarcia@kth.se Thu Jan 18 09:22:04 1996 Path: ashpoly!bigsur!pacrim!jpgate!kamome!kth!mgarcia From: mgarcia@kth.se (Marisol García) Newsgroups: comp.sys.m68k Subject: Re: Data: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Jan18.092204.2767@kth.se> Date: Thu, 18 Jan 1996 09:22:04 GMT References: <1996Jan15.001604.5813@cern.ch> <1996Jan16.103404.6837@mit.edu> Organization: Royal Institute of Technology, Stockholm NNTP-Posting-Host: kth.se X-Newsreader: Netscape 1.1N Lines: 9 In article <1996Jan16.103404.6837@mit.edu>, gsanchez@mit.edu (Graham Sánchez) 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. -- === Marisol García === Dept of Electrical Engineering, Royal Institute of Technology, Stockholm "There are 14 nodes and only 10 countries. Count again." From ikang@illinois.edu Sat Jan 20 13:15:04 1996 Path: ashpoly!cascade!transat!eunet-fr!teletel!illinois!ikang From: ikang@illinois.edu (Ines Kang) Newsgroups: comp.sys.m68k Subject: Re: Data: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Jan20.131504.5899@illinois.edu> Date: Sat, 20 Jan 1996 13:15:04 GMT References: <1996Jan15.001604.5813@cern.ch> Organization: University of Illinois Urbana-Champaign NNTP-Posting-Host: illinois.edu X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1996Jan15.001604.5813@cern.ch>, jandersson@cern.ch (Jens Andersson) writes: > Taking advantage of the Falcon's built-in 32 MHz DSP56001 and 16-bit audio codec. The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. -- === Ines Kang === Dept of Electrical Engineering, University of Illinois Urbana-Champaign "We don't sign stars. We build them."