From fgonzalez@netcom.com Thu Feb 23 17:27:47 1995 Path: ashpoly!cascade!mxgate!coyoacan!netcom!fgonzalez From: fgonzalez@netcom.com (Fiona González) Newsgroups: comp.sys.m68k Subject: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Feb23.172747.9764@netcom.com> Date: Thu, 23 Feb 1995 17:27:47 GMT Organization: NETCOM On-Line Communication Services NNTP-Posting-Host: netcom.com X-Newsreader: Netscape 1.1N Lines: 11 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. Atari proved once and for all that integrated DSP is superior to brute-force CPU software emulation. -- Fiona González *PLONK* filter active for trolls. Amiga 1200 (Blizzard 030/50) - NetBSD 1.0 From jsantos@u-tokyo.ac.jp Thu Feb 23 23:01:47 1995 Path: ashpoly!cascade!brgate!saturno!u-tokyo!jsantos From: jsantos@u-tokyo.ac.jp (Julien Santos) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Feb23.230147.8736@u-tokyo.ac.jp> Date: Thu, 23 Feb 1995 23:01:47 GMT References: <1995Feb23.172747.9764@netcom.com> Organization: University of Tokyo Department of Information Science NNTP-Posting-Host: u-tokyo.ac.jp X-Newsreader: WinVN 0.99.5 Lines: 11 In article <1995Feb23.172747.9764@netcom.com>, fgonzalez@netcom.com (Fiona González) writes: > Taking advantage of the Falcon's built-in 32 MHz DSP56001 and 16-bit audio codec. I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. If you are posting from AOL, please read RFC 1036 before posting again. -- Julien Santos Opinions expressed are solely my own and not those of University of Tokyo Department of Information Science. ------------------------------------------------------------ From bweber@ox.ac.uk Sun Feb 26 01:12:47 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!ox!bweber From: bweber@ox.ac.uk (Bastien Weber) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Feb26.011247.6094@ox.ac.uk> Date: Sun, 26 Feb 1995 01:12:47 GMT References: <1995Feb23.172747.9764@netcom.com> Organization: Oxford University Computing Laboratory NNTP-Posting-Host: ox.ac.uk X-Newsreader: Netscape 1.1N Lines: 8 In article <1995Feb23.172747.9764@netcom.com>, fgonzalez@netcom.com (Fiona González) writes: > Taking advantage of the Falcon's built-in 32 MHz DSP56001 and 16-bit audio codec. Too bad Atari marketing was so incompetent that nobody bought the Falcon before they pulled out of the computer market. -- Bastien Weber Tape trading list upon request. SASE required for international mail.