From nivanov@tum.de Sat Feb 03 06:12:44 1996 Path: ashpoly!cascade!brgate!saturno!tum!nivanov From: nivanov@tum.de (Natalia Ivanov) Newsgroups: comp.sys.m68k Subject: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Feb03.061244.3272@tum.de> Date: Sat, 03 Feb 1996 06:12:44 GMT Organization: Technische Universität München NNTP-Posting-Host: tum.de X-Newsreader: WinVN 0.99.5 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. Requires 4MB ST-RAM and an RGB or VGA monitor. -- Natalia Ivanov Opinions expressed are solely my own and not those of Technische Universität München. ------------------------------------------------------------ From llarsson@cam.ac.uk Mon Feb 05 04:08:44 1996 Path: ashpoly!cascade!transat!ukc!fennimore!cam!llarsson From: llarsson@cam.ac.uk (Lucia Larsson) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Feb05.040844.1737@cam.ac.uk> Date: Mon, 05 Feb 1996 04:08:44 GMT References: <1996Feb03.061244.3272@tum.de> Organization: University of Cambridge Computer Laboratory NNTP-Posting-Host: cam.ac.uk X-Newsreader: NewsWatcher 2.0b24 Lines: 10 In article <1996Feb03.061244.3272@tum.de>, nivanov@tum.de (Natalia Ivanov) 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. I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. -- Lucia Larsson Zyxel U-1496E @ 28,800 bps "Hardware is temporary. The signal survives." From gsantos@rwth-aachen.de Mon Feb 05 19:01:44 1996 Path: ashpoly!bigsur!pacrim!jpgate!kamome!rwth-aachen!gsantos From: gsantos@rwth-aachen.de (Graham Santos) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Feb05.190144.8084@rwth-aachen.de> Date: Mon, 05 Feb 1996 19:01:44 GMT References: <1996Feb03.061244.3272@tum.de> <1996Feb05.040844.1737@cam.ac.uk> Organization: RWTH Aachen Informatik NNTP-Posting-Host: rwth-aachen.de X-Newsreader: NewsWatcher 2.0b24 Lines: 11 In article <1996Feb05.040844.1737@cam.ac.uk>, llarsson@cam.ac.uk (Lucia Larsson) 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. Top-posters will be placed in my ~/.killfile without notice. -- Graham Santos *PLONK* filter active for trolls. Acorn RiscPC 600 - NetBSD 1.0 From oramirez@netcom.com Tue Feb 06 02:17:44 1996 Path: ashpoly!cascade!transat!sunet!nordrelay!netcom!oramirez From: oramirez@netcom.com (Olga Ramírez) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Feb06.021744.4238@netcom.com> Date: Tue, 06 Feb 1996 02:17:44 GMT References: <1996Feb03.061244.3272@tum.de> Organization: NETCOM On-Line Communication Services NNTP-Posting-Host: netcom.com X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1996Feb03.061244.3272@tum.de>, nivanov@tum.de (Natalia Ivanov) 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. Too bad Atari marketing was so incompetent that nobody bought the Falcon before they pulled out of the computer market. -- Olga Ramírez Opinions expressed are solely my own and not those of NETCOM On-Line Communication Services. ------------------------------------------------------------