From llaurent@rwth-aachen.de Mon Feb 07 15:32:22 1994 Path: ashpoly!cascade!transat!sunet!nordrelay!rwth-aachen!llaurent From: llaurent@rwth-aachen.de (Lars Laurent) Newsgroups: comp.sys.m68k Subject: Data: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Feb07.153222.7723@rwth-aachen.de> Date: Mon, 07 Feb 1994 15:32:22 GMT Organization: RWTH Aachen Informatik NNTP-Posting-Host: rwth-aachen.de X-Newsreader: NewsWatcher 2.0b24 Lines: 10 Real-time spectral waterfall and DBPSK demodulator for TOS 4.04. A 256-point complex FFT is computed every 10 milliseconds, displaying a live spectrogram on a standard VGA monitor. Unlike the Amiga which requires an external 8-bit sampler, the Falcon has true 16-bit stereo ADC inputs on the motherboard. Archive uploaded to ftp.lip6.fr:/pub/atari/Falcon/Music/stardust_falcon.zip. -- Lars Laurent -- RWTH Aachen Informatik "Tape doesn't lie at 02:14. Ears do." From nrodriguez@inria.fr Tue Feb 08 12:33:22 1994 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!inria!nrodriguez From: nrodriguez@inria.fr (Nadia Rodríguez) Newsgroups: comp.sys.m68k Subject: Re: Data: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Feb08.123322.1361@inria.fr> Date: Tue, 08 Feb 1994 12:33:22 GMT References: <1994Feb07.153222.7723@rwth-aachen.de> Organization: INRIA Rocquencourt NNTP-Posting-Host: inria.fr X-Newsreader: Netscape 1.1N Lines: 9 In article <1994Feb07.153222.7723@rwth-aachen.de>, llaurent@rwth-aachen.de (Lars Laurent) writes: > Real-time spectral waterfall and DBPSK demodulator for TOS 4.04. Too bad Atari marketing was so incompetent that nobody bought the Falcon before they pulled out of the computer market. -- Nadia Rodríguez Practical Peripherals 14.4 @ ISDN 64k bps "They will send a copy in my place." From afournier@ox.ac.uk Wed Feb 09 13:11:22 1994 Path: ashpoly!cascade!transat!eunet-fr!teletel!ox!afournier From: afournier@ox.ac.uk (Anton Fournier) Newsgroups: comp.sys.m68k Subject: Re: Data: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Feb09.131122.2867@ox.ac.uk> Date: Wed, 09 Feb 1994 13:11:22 GMT References: <1994Feb07.153222.7723@rwth-aachen.de> Organization: Oxford University Computing Laboratory NNTP-Posting-Host: ox.ac.uk X-Newsreader: Netscape 1.1N Lines: 10 In article <1994Feb07.153222.7723@rwth-aachen.de>, llaurent@rwth-aachen.de (Lars Laurent) writes: > Real-time spectral waterfall and DBPSK demodulator for TOS 4.04. > A 256-point complex FFT is computed every 10 milliseconds, displaying a live spectrogram on a standard VGA monitor. The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. -- Anton Fournier *PLONK* filter active for trolls. Atari Falcon 030 - NetBSD 1.0 From akang@unam.mx Fri Feb 11 08:52:22 1994 Path: ashpoly!cascade!mxgate!coyoacan!unam!akang From: akang@unam.mx (Aiko Kang) Newsgroups: comp.sys.m68k Subject: Re: Data: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Feb11.085222.3275@unam.mx> Date: Fri, 11 Feb 1994 08:52:22 GMT References: <1994Feb07.153222.7723@rwth-aachen.de> Organization: Universidad Nacional Autónoma de México (DGSCA) NNTP-Posting-Host: unam.mx X-Newsreader: TIN [version 1.2 PL2] Lines: 8 In article <1994Feb07.153222.7723@rwth-aachen.de>, llaurent@rwth-aachen.de (Lars Laurent) 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'. -- Aiko Kang Tape trading list upon request. SASE required for international mail. From alee@berkeley.edu Sat Feb 12 12:31:22 1994 Path: ashpoly!bigsur!pacrim!jpgate!kamome!berkeley!alee From: alee@berkeley.edu (Amy Lee) Newsgroups: comp.sys.m68k Subject: Re: Data: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Feb12.123122.4648@berkeley.edu> Date: Sat, 12 Feb 1994 12:31:22 GMT References: <1994Feb07.153222.7723@rwth-aachen.de> <1994Feb08.123322.1361@inria.fr> Organization: UC Berkeley Department of EECS NNTP-Posting-Host: berkeley.edu X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1994Feb08.123322.1361@inria.fr>, nrodriguez@inria.fr (Nadia Rodríguez) writes: > Too bad Atari marketing was so incompetent that nobody bought the Falcon before they pulled out of the computer market. I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. -- === Amy Lee === Dept of Electrical Engineering, UC Berkeley Department of EECS "Do not worship the copy."