From dpetrov@pacbell.net Mon May 22 16:26:17 1995 Path: ashpoly!bigsur!pacrim!jpgate!kamome!pacbell!dpetrov From: dpetrov@pacbell.net (Dave Petrov) Newsgroups: comp.sys.m68k Subject: [FLAME] Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995May22.162617.3168@pacbell.net> Date: Mon, 22 May 1995 16:26:17 GMT Organization: Pacific Bell Internet Services NNTP-Posting-Host: pacbell.net X-Newsreader: NewsWatcher 2.0b24 Lines: 11 Real-time spectral waterfall and DBPSK demodulator for TOS 4.04. Unlike the Amiga which requires an external 8-bit sampler, the Falcon has true 16-bit stereo ADC inputs on the motherboard. 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. -- Dave Petrov *PLONK* filter active for trolls. Sun SparcStation 20 - NetBSD 1.0 From rkowalski@netcom.com Tue May 23 12:58:17 1995 Path: ashpoly!cascade!transat!ukc!fennimore!netcom!rkowalski From: rkowalski@netcom.com (Rodrigo Kowalski) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995May23.125817.9152@netcom.com> Date: Tue, 23 May 1995 12:58:17 GMT References: <1995May22.162617.3168@pacbell.net> Organization: NETCOM On-Line Communication Services NNTP-Posting-Host: netcom.com X-Newsreader: TIN [version 1.2 PL2] Lines: 10 In article <1995May22.162617.3168@pacbell.net>, dpetrov@pacbell.net (Dave Petrov) writes: > Real-time spectral waterfall and DBPSK demodulator for TOS 4.04. > Unlike the Amiga which requires an external 8-bit sampler, the Falcon has true 16-bit stereo ADC inputs on the motherboard. The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. -- === Rodrigo Kowalski === Dept of Electrical Engineering, NETCOM On-Line Communication Services "Marcus is not one man." From srobertson@pacbell.net Thu May 25 13:29:17 1995 Path: ashpoly!cascade!transat!eunet-de!hansebox!pacbell!srobertson From: srobertson@pacbell.net (Steve Robertson) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995May25.132917.7732@pacbell.net> Date: Thu, 25 May 1995 13:29:17 GMT References: <1995May22.162617.3168@pacbell.net> <1995May23.125817.9152@netcom.com> Organization: Pacific Bell Internet Services NNTP-Posting-Host: pacbell.net X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1995May23.125817.9152@netcom.com>, rkowalski@netcom.com (Rodrigo Kowalski) 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. -- Steve Robertson | srobertson@pacbell.net PGP Key fingerprint: 86C2 5AF5 88A4 2A3B "Keep the channels open."