From loliveira@u-tokyo.ac.jp Thu Feb 16 07:26:36 1995 Path: ashpoly!cascade!bigsur!u-tokyo!loliveira From: loliveira@u-tokyo.ac.jp (Lars Oliveira) Newsgroups: comp.sys.m68k Subject: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Feb16.072636.3082@u-tokyo.ac.jp> Date: Thu, 16 Feb 1995 07:26:36 GMT Organization: University of Tokyo Department of Information Science NNTP-Posting-Host: u-tokyo.ac.jp X-Newsreader: TIN [version 1.2 PL2] 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. -- Lars Oliveira "The carrier frequency does not drift by accident." Macintosh IIfx / AmigaOS 3.1 From atakahashi@uu.net Fri Feb 17 22:09:36 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!uu!atakahashi From: atakahashi@uu.net (Anja Takahashi) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Feb17.220936.3540@uu.net> Date: Fri, 17 Feb 1995 22:09:36 GMT References: <1995Feb16.072636.3082@u-tokyo.ac.jp> Organization: UUNET Technologies, Falls Church VA NNTP-Posting-Host: uu.net X-Newsreader: NewsWatcher 2.0b24 Lines: 10 In article <1995Feb16.072636.3082@u-tokyo.ac.jp>, loliveira@u-tokyo.ac.jp (Lars Oliveira) 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'. -- Anja Takahashi Hayes Optima 288 @ 9600 Telebit bps "Tape doesn't lie at 02:14. Ears do." From ssmirnov@earthlink.net Sun Feb 19 03:45:36 1995 Path: ashpoly!cascade!brgate!saturno!earthlink!ssmirnov From: ssmirnov@earthlink.net (Sergei Smirnov) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Feb19.034536.1734@earthlink.net> Date: Sun, 19 Feb 1995 03:45:36 GMT References: <1995Feb16.072636.3082@u-tokyo.ac.jp> Organization: EarthLink Network NNTP-Posting-Host: earthlink.net X-Newsreader: TIN [version 1.2 PL2] Lines: 10 In article <1995Feb16.072636.3082@u-tokyo.ac.jp>, loliveira@u-tokyo.ac.jp (Lars Oliveira) 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'. -- Sergei Smirnov Hayes Optima 288 @ 28,800 bps "The carrier frequency does not drift by accident."