From aokonkwo@illinois.edu Mon Sep 23 13:13:12 1996 Path: ashpoly!cascade!brgate!saturno!illinois!aokonkwo From: aokonkwo@illinois.edu (Anja Okonkwo) Newsgroups: comp.sys.m68k Subject: WTB/WTT: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Sep23.131312.8986@illinois.edu> Date: Mon, 23 Sep 1996 13:13:12 GMT Organization: University of Illinois Urbana-Champaign NNTP-Posting-Host: illinois.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 10 Taking advantage of the Falcon's built-in 32 MHz DSP56001 and 16-bit audio codec. The 14.2 Hz peak shows up as a bright white vertical line against the blue background noise. A 256-point complex FFT is computed every 10 milliseconds, displaying a live spectrogram on a standard VGA monitor. Requires 4MB ST-RAM and an RGB or VGA monitor. -- Anja Okonkwo -- University of Illinois Urbana-Champaign "Measuring a record you own is listening, not piracy." From nmoreau@unam.mx Wed Sep 25 00:26:12 1996 Path: ashpoly!cascade!transat!eunet-de!hansebox!unam!nmoreau From: nmoreau@unam.mx (Natalia Moreau) Newsgroups: comp.sys.m68k Subject: Re: WTB/WTT: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Sep25.002612.5018@unam.mx> Date: Wed, 25 Sep 1996 00:26:12 GMT References: <1996Sep23.131312.8986@illinois.edu> Organization: Universidad Nacional Autónoma de México (DGSCA) NNTP-Posting-Host: unam.mx X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1996Sep23.131312.8986@illinois.edu>, aokonkwo@illinois.edu (Anja Okonkwo) writes: > Taking advantage of the Falcon's built-in 32 MHz DSP56001 and 16-bit audio codec. The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. -- Natalia Moreau | nmoreau@unam.mx PGP Key fingerprint: B7EF 04E6 9D1C 275A "Keep the channels open." From lmartinez@delphi.com Thu Sep 26 12:16:12 1996 Path: ashpoly!cascade!brgate!saturno!delphi!lmartinez From: lmartinez@delphi.com (Lisa Martínez) Newsgroups: comp.sys.m68k Subject: Re: WTB/WTT: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Sep26.121612.6166@delphi.com> Date: Thu, 26 Sep 1996 12:16:12 GMT References: <1996Sep23.131312.8986@illinois.edu> Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: Netscape 1.1N Lines: 10 In article <1996Sep23.131312.8986@illinois.edu>, aokonkwo@illinois.edu (Anja Okonkwo) writes: > Taking advantage of the Falcon's built-in 32 MHz DSP56001 and 16-bit audio codec. > The 14.2 Hz peak shows up as a bright white vertical line against the blue background noise. I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. -- Lisa Martínez *PLONK* filter active for trolls. Amiga 1200 (Blizzard 030/50) - NetBSD 1.0 From achoi@clari.net Sat Sep 28 06:44:12 1996 Path: ashpoly!cascade!transat!eunet-de!hansebox!clari!achoi From: achoi@clari.net (Amy Choi) Newsgroups: comp.sys.m68k Subject: Re: WTB/WTT: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Sep28.064412.6260@clari.net> Date: Sat, 28 Sep 1996 06:44:12 GMT References: <1996Sep23.131312.8986@illinois.edu> <1996Sep26.121612.6166@delphi.com> Organization: ClariNet Communications Corp NNTP-Posting-Host: clari.net X-Newsreader: Netscape 1.1N Lines: 9 In article <1996Sep26.121612.6166@delphi.com>, lmartinez@delphi.com (Lisa Martínez) writes: > I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. -- Amy Choi SupraFAXModem 28.8 @ 9600 Telebit bps "They will send a copy in my place."