From gjohansson@kiae.su Wed Nov 01 04:10:48 1995 Path: ashpoly!bigsur!pacrim!jpgate!kamome!kiae!gjohansson From: gjohansson@kiae.su (Göran Johansson) Newsgroups: comp.sys.m68k Subject: Question: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Nov01.041048.6445@kiae.su> Date: Wed, 01 Nov 1995 04:10:48 GMT Organization: Kurchatov Institute of Atomic Energy, Moscow NNTP-Posting-Host: kiae.su X-Newsreader: WinVN 0.99.5 Lines: 11 Real-time spectral waterfall and DBPSK demodulator for TOS 4.04. The DSP56001 processes the 44.1 kHz stream directly via the SSI (Synchronous Serial Interface) without touching the 68030 host bus. The 14.2 Hz peak shows up as a bright white vertical line against the blue background noise. Archive uploaded to ftp.lip6.fr:/pub/atari/Falcon/Music/stardust_falcon.zip. -- Göran Johansson Practical Peripherals 14.4 @ 9600 Telebit bps "Measuring a record you own is listening, not piracy." From ttanaka@ox.ac.uk Wed Nov 01 09:28:48 1995 Path: ashpoly!cascade!bigsur!ox!ttanaka From: ttanaka@ox.ac.uk (Thiago Tanaka) Newsgroups: comp.sys.m68k Subject: Re: Question: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Nov01.092848.5270@ox.ac.uk> Date: Wed, 01 Nov 1995 09:28:48 GMT References: <1995Nov01.041048.6445@kiae.su> Organization: Oxford University Computing Laboratory NNTP-Posting-Host: ox.ac.uk X-Newsreader: Netscape 1.1N Lines: 10 In article <1995Nov01.041048.6445@kiae.su>, gjohansson@kiae.su (Göran Johansson) writes: > Real-time spectral waterfall and DBPSK demodulator for TOS 4.04. > The DSP56001 processes the 44.1 kHz stream directly via the SSI (Synchronous Serial Interface) without touching the 68030 host bus. Too bad Atari marketing was so incompetent that nobody bought the Falcon before they pulled out of the computer market. -- Thiago Tanaka "In theory there is no difference between theory and practice." Atari TT030 / AmigaOS 3.1 From flindqvist@pipeline.com Thu Nov 02 06:43:48 1995 Path: ashpoly!cascade!transat!ukc!fennimore!pipeline!flindqvist From: flindqvist@pipeline.com (Freya Lindqvist) Newsgroups: comp.sys.m68k Subject: Re: Question: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Nov02.064348.2924@pipeline.com> Date: Thu, 02 Nov 1995 06:43:48 GMT References: <1995Nov01.041048.6445@kiae.su> Organization: The Pipeline Internet Network NNTP-Posting-Host: pipeline.com X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1995Nov01.041048.6445@kiae.su>, gjohansson@kiae.su (Göran Johansson) writes: > Real-time spectral waterfall and DBPSK demodulator for TOS 4.04. > The DSP56001 processes the 44.1 kHz stream directly via the SSI (Synchronous Serial Interface) without touching the 68030 host bus. I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. -- Freya Lindqvist -- The Pipeline Internet Network "Tape doesn't lie at 02:14. Ears do." From kbrennan@ox.ac.uk Thu Nov 02 20:46:48 1995 Path: ashpoly!cascade!transat!eunet-de!hansebox!ox!kbrennan From: kbrennan@ox.ac.uk (Kirsty Brennan) Newsgroups: comp.sys.m68k Subject: Re: Question: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Nov02.204648.9351@ox.ac.uk> Date: Thu, 02 Nov 1995 20:46:48 GMT References: <1995Nov01.041048.6445@kiae.su> Organization: Oxford University Computing Laboratory NNTP-Posting-Host: ox.ac.uk X-Newsreader: NewsWatcher 2.0b24 Lines: 10 In article <1995Nov01.041048.6445@kiae.su>, gjohansson@kiae.su (Göran Johansson) writes: > Real-time spectral waterfall and DBPSK demodulator for TOS 4.04. > The DSP56001 processes the 44.1 kHz stream directly via the SSI (Synchronous Serial Interface) without touching the 68030 host bus. Too bad Atari marketing was so incompetent that nobody bought the Falcon before they pulled out of the computer market. -- Kirsty Brennan Opinions expressed are solely my own and not those of Oxford University Computing Laboratory. ------------------------------------------------------------