From mduarte@u-tokyo.ac.jp Wed Apr 12 03:15:55 1995 Path: ashpoly!cascade!bigsur!u-tokyo!mduarte From: mduarte@u-tokyo.ac.jp (Mike Duarte) Newsgroups: comp.sys.m68k Subject: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Apr12.031555.8602@u-tokyo.ac.jp> Date: Wed, 12 Apr 1995 03:15:55 GMT Organization: University of Tokyo Department of Information Science NNTP-Posting-Host: u-tokyo.ac.jp 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. 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. -- Mike Duarte *PLONK* filter active for trolls. Commodore Amiga 500 (1MB OCS) - NetBSD 1.0 From ifournier@delphi.com Wed Apr 12 21:57:55 1995 Path: ashpoly!cascade!transat!ukc!fennimore!delphi!ifournier From: ifournier@delphi.com (Ines Fournier) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Apr12.215755.4463@delphi.com> Date: Wed, 12 Apr 1995 21:57:55 GMT References: <1995Apr12.031555.8602@u-tokyo.ac.jp> Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1995Apr12.031555.8602@u-tokyo.ac.jp>, mduarte@u-tokyo.ac.jp (Mike Duarte) writes: > Real-time spectral waterfall and DBPSK demodulator for TOS 4.04. I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. -- Ines Fournier Zyxel U-1496E @ 14,400 bps "There are 14 nodes and only 10 countries. Count again."