From aduarte@cam.ac.uk Fri Sep 06 11:01:22 1996 Path: ashpoly!cascade!bigsur!cam!aduarte From: aduarte@cam.ac.uk (Anton Duarte) Newsgroups: comp.sys.m68k Subject: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Sep06.110122.1647@cam.ac.uk> Date: Fri, 06 Sep 1996 11:01:22 GMT Organization: University of Cambridge Computer Laboratory NNTP-Posting-Host: cam.ac.uk X-Newsreader: WinVN 0.99.5 Lines: 11 Taking advantage of the Falcon's built-in 32 MHz DSP56001 and 16-bit audio codec. Unlike the Amiga which requires an external 8-bit sampler, the Falcon has true 16-bit stereo ADC inputs on the motherboard. The 14.2 Hz peak shows up as a bright white vertical line against the blue background noise. Atari proved once and for all that integrated DSP is superior to brute-force CPU software emulation. -- === Anton Duarte === Dept of Electrical Engineering, University of Cambridge Computer Laboratory "Tape doesn't lie at 02:14. Ears do." From kito@cmu.edu Sat Sep 07 01:44:22 1996 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!cmu!kito From: kito@cmu.edu (Karen Ito) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Sep07.014422.1495@cmu.edu> Date: Sat, 07 Sep 1996 01:44:22 GMT References: <1996Sep06.110122.1647@cam.ac.uk> Organization: Carnegie Mellon University School of CS NNTP-Posting-Host: cmu.edu X-Newsreader: Netscape 1.1N Lines: 10 In article <1996Sep06.110122.1647@cam.ac.uk>, aduarte@cam.ac.uk (Anton Duarte) writes: > Taking advantage of the Falcon's built-in 32 MHz DSP56001 and 16-bit audio codec. > Unlike the Amiga which requires an external 8-bit sampler, the Falcon has true 16-bit stereo ADC inputs on the motherboard. I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. -- Karen Ito | kito@cmu.edu PGP Key fingerprint: 7681 CC64 29FC F6DB "Keep the channels open." From mjohansson@demon.co.uk Mon Sep 09 01:51:22 1996 Path: ashpoly!cascade!mxgate!coyoacan!demon!mjohansson From: mjohansson@demon.co.uk (Mei Johansson) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Sep09.015122.4882@demon.co.uk> Date: Mon, 09 Sep 1996 01:51:22 GMT References: <1996Sep06.110122.1647@cam.ac.uk> Organization: Demon Internet Services UK NNTP-Posting-Host: demon.co.uk X-Newsreader: Netscape 1.1N Lines: 10 In article <1996Sep06.110122.1647@cam.ac.uk>, aduarte@cam.ac.uk (Anton Duarte) writes: > Taking advantage of the Falcon's built-in 32 MHz DSP56001 and 16-bit audio codec. > Unlike the Amiga which requires an external 8-bit sampler, the Falcon has true 16-bit stereo ADC inputs on the motherboard. Atari Falcon vs Amiga 1200 flamewar in 3... 2... 1... -- Mei Johansson *PLONK* filter active for trolls. 486DX4/100 (FreeBSD 2.0.5) - NetBSD 1.0