From tsanchez@earthlink.net Tue Sep 26 04:19:05 1995 Path: ashpoly!cascade!brgate!saturno!earthlink!tsanchez From: tsanchez@earthlink.net (Thiago Sánchez) Newsgroups: comp.sys.m68k Subject: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Sep26.041905.9521@earthlink.net> Date: Tue, 26 Sep 1995 04:19:05 GMT Organization: EarthLink Network NNTP-Posting-Host: earthlink.net X-Newsreader: NewsWatcher 2.0b24 Lines: 11 Real-time spectral waterfall and DBPSK demodulator for TOS 4.04. The 14.2 Hz peak shows up as a bright white vertical line against the blue background noise. The DSP56001 processes the 44.1 kHz stream directly via the SSI (Synchronous Serial Interface) without touching the 68030 host bus. Requires 4MB ST-RAM and an RGB or VGA monitor. -- Thiago Sánchez "5 sigma is a discovery. 7 is a question." Amiga 1200 (Blizzard 030/50) / TOS 4.04 From jrobertson@clari.net Wed Sep 27 10:52:05 1995 Path: ashpoly!cascade!mxgate!coyoacan!clari!jrobertson From: jrobertson@clari.net (Jens Robertson) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Sep27.105205.9028@clari.net> Date: Wed, 27 Sep 1995 10:52:05 GMT References: <1995Sep26.041905.9521@earthlink.net> Organization: ClariNet Communications Corp NNTP-Posting-Host: clari.net X-Newsreader: Netscape 1.1N Lines: 10 In article <1995Sep26.041905.9521@earthlink.net>, tsanchez@earthlink.net (Thiago Sánchez) writes: > Real-time spectral waterfall and DBPSK demodulator for TOS 4.04. > The 14.2 Hz peak shows up as a bright white vertical line against the blue background noise. I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. -- Jens Robertson Opinions expressed are solely my own and not those of ClariNet Communications Corp. ------------------------------------------------------------