From bito@uni-hamburg.de Fri Feb 02 23:02:03 1996 Path: ashpoly!cascade!transat!ukc!fennimore!uni-hamburg!bito From: bito@uni-hamburg.de (Bastien Ito) Newsgroups: comp.sys.m68k Subject: WTB/WTT: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Feb02.230203.4661@uni-hamburg.de> Date: Fri, 02 Feb 1996 23:02:03 GMT Organization: Universität Hamburg Fachbereich Informatik NNTP-Posting-Host: uni-hamburg.de X-Newsreader: Netscape 1.1N 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. 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. -- Bastien Ito *PLONK* filter active for trolls. 486DX4/100 (FreeBSD 2.0.5) - NetBSD 1.0 From psouza@berkeley.edu Sat Feb 03 10:56:03 1996 Path: ashpoly!cascade!brgate!saturno!berkeley!psouza From: psouza@berkeley.edu (Pavel Souza) Newsgroups: comp.sys.m68k Subject: Re: WTB/WTT: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Feb03.105603.6317@berkeley.edu> Date: Sat, 03 Feb 1996 10:56:03 GMT References: <1996Feb02.230203.4661@uni-hamburg.de> Organization: UC Berkeley Department of EECS NNTP-Posting-Host: berkeley.edu X-Newsreader: Netscape 1.1N Lines: 11 In article <1996Feb02.230203.4661@uni-hamburg.de>, bito@uni-hamburg.de (Bastien Ito) writes: > Real-time spectral waterfall and DBPSK demodulator for TOS 4.04. Atari Falcon vs Amiga 1200 flamewar in 3... 2... 1... PGP Public key available via finger or upon request. -- Pavel Souza "There are 14 nodes and only 10 countries. Count again." Amiga 1200 (Blizzard 030/50) / AmigaOS 3.1 From acampbell@purdue.edu Mon Feb 05 06:16:03 1996 Path: ashpoly!cascade!transat!sunet!nordrelay!purdue!acampbell From: acampbell@purdue.edu (Andrei Campbell) Newsgroups: comp.sys.m68k Subject: Re: WTB/WTT: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Feb05.061603.4142@purdue.edu> Date: Mon, 05 Feb 1996 06:16:03 GMT References: <1996Feb02.230203.4661@uni-hamburg.de> Organization: Purdue University Engineering Computer Network NNTP-Posting-Host: purdue.edu X-Newsreader: Netscape 1.1N Lines: 10 In article <1996Feb02.230203.4661@uni-hamburg.de>, bito@uni-hamburg.de (Bastien Ito) 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. The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. -- Andrei Campbell | acampbell@purdue.edu PGP Key fingerprint: CC6C 7660 29C0 C4E0 "Keep the channels open." From gokonkwo@titech.ac.jp Tue Feb 06 09:55:03 1996 Path: ashpoly!cascade!transat!eunet-de!hansebox!titech!gokonkwo From: gokonkwo@titech.ac.jp (Göran Okonkwo) Newsgroups: comp.sys.m68k Subject: Re: WTB/WTT: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Feb06.095503.4523@titech.ac.jp> Date: Tue, 06 Feb 1996 09:55:03 GMT References: <1996Feb02.230203.4661@uni-hamburg.de> <1996Feb05.061603.4142@purdue.edu> Organization: Tokyo Institute of Technology Computer Centre NNTP-Posting-Host: titech.ac.jp X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1996Feb05.061603.4142@purdue.edu>, acampbell@purdue.edu (Andrei Campbell) writes: > The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. -- Göran Okonkwo | gokonkwo@titech.ac.jp PGP Key fingerprint: 932D 12DA 4C7A A961 "Keep the channels open." From fduarte@ox.ac.uk Tue Feb 06 22:45:03 1996 Path: ashpoly!cascade!transat!ukc!fennimore!ox!fduarte From: fduarte@ox.ac.uk (Fiona Duarte) Newsgroups: comp.sys.m68k Subject: Re: WTB/WTT: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Feb06.224503.5579@ox.ac.uk> Date: Tue, 06 Feb 1996 22:45:03 GMT References: <1996Feb02.230203.4661@uni-hamburg.de> Organization: Oxford University Computing Laboratory NNTP-Posting-Host: ox.ac.uk X-Newsreader: Netscape 1.1N Lines: 11 In article <1996Feb02.230203.4661@uni-hamburg.de>, bito@uni-hamburg.de (Bastien Ito) 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'. Netscape 1.1 crashes when loading large preformatted text. Stick to rn or tin! -- Fiona Duarte *PLONK* filter active for trolls. Pentium 90 (OS/2 Warp) - NetBSD 1.0