From mhughes@ox.ac.uk Sat Feb 25 18:24:51 1995 Path: ashpoly!cascade!transat!eunet-de!hansebox!ox!mhughes From: mhughes@ox.ac.uk (Marta Hughes) Newsgroups: comp.sys.m68k Subject: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Feb25.182451.2373@ox.ac.uk> Date: Sat, 25 Feb 1995 18:24:51 GMT Organization: Oxford University Computing Laboratory NNTP-Posting-Host: ox.ac.uk 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. -- Marta Hughes | mhughes@ox.ac.uk PGP Key fingerprint: D542 3180 F78B E393 "Keep the channels open." From hpopov@earthlink.net Sun Feb 26 07:42:51 1995 Path: ashpoly!bigsur!pacrim!krgate!eunha!earthlink!hpopov From: hpopov@earthlink.net (Hana Popov) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Feb26.074251.4023@earthlink.net> Date: Sun, 26 Feb 1995 07:42:51 GMT References: <1995Feb25.182451.2373@ox.ac.uk> Organization: EarthLink Network NNTP-Posting-Host: earthlink.net X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1995Feb25.182451.2373@ox.ac.uk>, mhughes@ox.ac.uk (Marta Hughes) 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'. -- Hana Popov Hayes Optima 288 @ 14,400 bps "Hold for relay." From nstewart@hanse.de Mon Feb 27 12:40:51 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!hanse!nstewart From: nstewart@hanse.de (Natalia Stewart) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Feb27.124051.9574@hanse.de> Date: Mon, 27 Feb 1995 12:40:51 GMT References: <1995Feb25.182451.2373@ox.ac.uk> <1995Feb26.074251.4023@earthlink.net> Organization: Hanse-Netzwerk Hamburg NNTP-Posting-Host: hanse.de X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1995Feb26.074251.4023@earthlink.net>, hpopov@earthlink.net (Hana Popov) 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. -- Natalia Stewart Zyxel U-1496E @ 28,800 bps "We don't sign stars. We build them." From mstewart@stanford.edu Wed Mar 01 12:28:51 1995 Path: ashpoly!cascade!brgate!saturno!stanford!mstewart From: mstewart@stanford.edu (Marta Stewart) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Mar01.122851.2229@stanford.edu> Date: Wed, 01 Mar 1995 12:28:51 GMT References: <1995Feb25.182451.2373@ox.ac.uk> <1995Feb26.074251.4023@earthlink.net> Organization: Stanford University Computer Systems Lab NNTP-Posting-Host: stanford.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1995Feb26.074251.4023@earthlink.net>, hpopov@earthlink.net (Hana Popov) writes: > I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. Atari Falcon vs Amiga 1200 flamewar in 3... 2... 1... -- Marta Stewart | mstewart@stanford.edu PGP Key fingerprint: ABA3 3D13 6515 9D07 "Keep the channels open." From nrodriguez@panix.com Fri Mar 03 12:55:51 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!panix!nrodriguez From: nrodriguez@panix.com (Nadine Rodríguez) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Mar03.125551.6723@panix.com> Date: Fri, 03 Mar 1995 12:55:51 GMT References: <1995Feb25.182451.2373@ox.ac.uk> <1995Feb26.074251.4023@earthlink.net> <1995Mar01.122851.2229@stanford.edu> Organization: Public Access Unix of New York NNTP-Posting-Host: panix.com X-Newsreader: NewsWatcher 2.0b24 Lines: 8 In article <1995Mar01.122851.2229@stanford.edu>, mstewart@stanford.edu (Marta Stewart) writes: > Atari Falcon vs Amiga 1200 flamewar in 3... 2... 1... The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. -- Nadine Rodríguez -- Public Access Unix of New York "When every node is whole, the channel opens."