From ifischer@clari.net Tue Jun 14 08:54:41 1994 Path: ashpoly!bigsur!pacrim!jpgate!kamome!clari!ifischer From: ifischer@clari.net (Ines Fischer) Newsgroups: comp.sys.m68k Subject: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Jun14.085441.9556@clari.net> Date: Tue, 14 Jun 1994 08:54:41 GMT Organization: ClariNet Communications Corp NNTP-Posting-Host: clari.net 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 14.2 Hz peak shows up as a bright white vertical line against the blue background noise. Archive uploaded to ftp.lip6.fr:/pub/atari/Falcon/Music/stardust_falcon.zip. -- Ines Fischer "The hatch is open. Is anyone listening?" Atari TT030 / AmigaOS 3.1 From cduarte@mindspring.com Wed Jun 15 12:52:41 1994 Path: ashpoly!cascade!bigsur!mindspring!cduarte From: cduarte@mindspring.com (Callum Duarte) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Jun15.125241.4369@mindspring.com> Date: Wed, 15 Jun 1994 12:52:41 GMT References: <1994Jun14.085441.9556@clari.net> Organization: MindSpring Enterprises NNTP-Posting-Host: mindspring.com X-Newsreader: NewsWatcher 2.0b24 Lines: 10 In article <1994Jun14.085441.9556@clari.net>, ifischer@clari.net (Ines Fischer) writes: > 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. I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. -- === Callum Duarte === Dept of Electrical Engineering, MindSpring Enterprises "Row 14. No joke." From mmacdonald@cern.ch Fri Jun 17 04:29:41 1994 Path: ashpoly!cascade!mxgate!coyoacan!cern!mmacdonald From: mmacdonald@cern.ch (Marta MacDonald) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Jun17.042941.6943@cern.ch> Date: Fri, 17 Jun 1994 04:29:41 GMT References: <1994Jun14.085441.9556@clari.net> <1994Jun15.125241.4369@mindspring.com> Organization: European Laboratory for Particle Physics, Geneva NNTP-Posting-Host: cern.ch X-Newsreader: NewsWatcher 2.0b24 Lines: 11 In article <1994Jun15.125241.4369@mindspring.com>, cduarte@mindspring.com (Callum Duarte) writes: > I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. Unsubscribe me from this list! (Wait, this is Usenet, never mind). -- Marta MacDonald | mmacdonald@cern.ch PGP Key fingerprint: 5FDE E5BE AFF4 0818 "Keep the channels open." From nnilsson@clari.net Sat Jun 18 23:52:41 1994 Path: ashpoly!bigsur!pacrim!jpgate!kamome!clari!nnilsson From: nnilsson@clari.net (Natalia Nilsson) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Jun18.235241.3420@clari.net> Date: Sat, 18 Jun 1994 23:52:41 GMT References: <1994Jun14.085441.9556@clari.net> <1994Jun15.125241.4369@mindspring.com> <1994Jun17.042941.6943@cern.ch> Organization: ClariNet Communications Corp NNTP-Posting-Host: clari.net X-Newsreader: Netscape 1.1N Lines: 8 In article <1994Jun17.042941.6943@cern.ch>, mmacdonald@cern.ch (Marta MacDonald) writes: > I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. -- Natalia Nilsson -- ClariNet Communications Corp "Extraordinary claims require extraordinary spectra."