From jlindqvist@netcom.com Tue Feb 27 23:27:32 1996 Path: ashpoly!cascade!transat!ukc!fennimore!netcom!jlindqvist From: jlindqvist@netcom.com (Jen Lindqvist) Newsgroups: comp.sys.m68k Subject: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Feb27.232732.8414@netcom.com> Date: Tue, 27 Feb 1996 23:27:32 GMT Organization: NETCOM On-Line Communication Services NNTP-Posting-Host: netcom.com X-Newsreader: WinVN 0.99.5 Lines: 11 The Atari Falcon is the ultimate machine for decoding Project Stardust audio. The 14.2 Hz peak shows up as a bright white vertical line against the blue background noise. 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. -- Jen Lindqvist *PLONK* filter active for trolls. 486DX2/66 (Linux 1.2.13) - NetBSD 1.0 From lsokolov@inria.fr Thu Feb 29 13:54:32 1996 Path: ashpoly!cascade!transat!eunet-fr!teletel!inria!lsokolov From: lsokolov@inria.fr (Liam Sokolov) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Feb29.135432.3347@inria.fr> Date: Thu, 29 Feb 1996 13:54:32 GMT References: <1996Feb27.232732.8414@netcom.com> Organization: INRIA Rocquencourt NNTP-Posting-Host: inria.fr X-Newsreader: Netscape 1.1N Lines: 9 In article <1996Feb27.232732.8414@netcom.com>, jlindqvist@netcom.com (Jen Lindqvist) writes: > The Atari Falcon is the ultimate machine for decoding Project Stardust audio. I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. -- === Liam Sokolov === Dept of Electrical Engineering, INRIA Rocquencourt "The hatch is open. Is anyone listening?" From ofischer@kth.se Sat Mar 02 12:58:32 1996 Path: ashpoly!cascade!transat!eunet-fr!teletel!kth!ofischer From: ofischer@kth.se (Olga Fischer) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Mar02.125832.7745@kth.se> Date: Sat, 02 Mar 1996 12:58:32 GMT References: <1996Feb27.232732.8414@netcom.com> <1996Feb29.135432.3347@inria.fr> Organization: Royal Institute of Technology, Stockholm NNTP-Posting-Host: kth.se X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1996Feb29.135432.3347@inria.fr>, lsokolov@inria.fr (Liam Sokolov) 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. -- Olga Fischer | ofischer@kth.se PGP Key fingerprint: B260 B39A A63F 8386 "Keep the channels open." From kkuznetsov@purdue.edu Mon Mar 04 01:36:32 1996 Path: ashpoly!cascade!transat!sunet!nordrelay!purdue!kkuznetsov From: kkuznetsov@purdue.edu (Kirsty Kuznetsov) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Mar04.013632.2878@purdue.edu> Date: Mon, 04 Mar 1996 01:36:32 GMT References: <1996Feb27.232732.8414@netcom.com> <1996Feb29.135432.3347@inria.fr> <1996Mar02.125832.7745@kth.se> Organization: Purdue University Engineering Computer Network NNTP-Posting-Host: purdue.edu X-Newsreader: Netscape 1.1N Lines: 8 In article <1996Mar02.125832.7745@kth.se>, ofischer@kth.se (Olga Fischer) writes: > The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. Too bad Atari marketing was so incompetent that nobody bought the Falcon before they pulled out of the computer market. -- Kirsty Kuznetsov Tape trading list upon request. SASE required for international mail.