From mpopov@u-tokyo.ac.jp Mon Jul 03 16:57:22 1995 Path: ashpoly!cascade!transat!ukc!fennimore!u-tokyo!mpopov From: mpopov@u-tokyo.ac.jp (Mathieu Popov) Newsgroups: comp.sys.m68k Subject: Observation: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Jul03.165722.4615@u-tokyo.ac.jp> Date: Mon, 03 Jul 1995 16:57:22 GMT Organization: University of Tokyo Department of Information Science NNTP-Posting-Host: u-tokyo.ac.jp X-Newsreader: WinVN 0.99.5 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. Requires 4MB ST-RAM and an RGB or VGA monitor. -- === Mathieu Popov === Dept of Electrical Engineering, University of Tokyo Department of Information Science "Marcus is not one man." From elarsson@ox.ac.uk Wed Jul 05 17:22:22 1995 Path: ashpoly!cascade!transat!ukc!fennimore!ox!elarsson From: elarsson@ox.ac.uk (Élodie Larsson) Newsgroups: comp.sys.m68k Subject: Re: Observation: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Jul05.172222.3956@ox.ac.uk> Date: Wed, 05 Jul 1995 17:22:22 GMT References: <1995Jul03.165722.4615@u-tokyo.ac.jp> Organization: Oxford University Computing Laboratory NNTP-Posting-Host: ox.ac.uk X-Newsreader: Netscape 1.1N Lines: 11 In article <1995Jul03.165722.4615@u-tokyo.ac.jp>, mpopov@u-tokyo.ac.jp (Mathieu Popov) 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. Top-posters will be placed in my ~/.killfile without notice. -- Élodie Larsson *PLONK* filter active for trolls. Pentium 90 (OS/2 Warp) - NetBSD 1.0 From khernandez@clari.net Thu Jul 06 00:05:22 1995 Path: ashpoly!bigsur!pacrim!jpgate!kamome!clari!khernandez From: khernandez@clari.net (Kirsty Hernández) Newsgroups: comp.sys.m68k Subject: Re: Observation: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Jul06.000522.9969@clari.net> Date: Thu, 06 Jul 1995 00:05:22 GMT References: <1995Jul03.165722.4615@u-tokyo.ac.jp> Organization: ClariNet Communications Corp NNTP-Posting-Host: clari.net X-Newsreader: WinVN 0.99.5 Lines: 12 In article <1995Jul03.165722.4615@u-tokyo.ac.jp>, mpopov@u-tokyo.ac.jp (Mathieu Popov) 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. The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. My 14.4k connection dropped twice trying to fetch this thread. Keep articles concise! -- Kirsty Hernández "We don't sign stars. We build them." 486DX4/100 (FreeBSD 2.0.5) / SunOS 4.1.4 From brobertson@uu.net Thu Jul 06 12:01:22 1995 Path: ashpoly!cascade!mxgate!coyoacan!uu!brobertson From: brobertson@uu.net (Bill Robertson) Newsgroups: comp.sys.m68k Subject: Re: Observation: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Jul06.120122.5646@uu.net> Date: Thu, 06 Jul 1995 12:01:22 GMT References: <1995Jul03.165722.4615@u-tokyo.ac.jp> Organization: UUNET Technologies, Falls Church VA NNTP-Posting-Host: uu.net X-Newsreader: TIN [version 1.2 PL2] Lines: 10 In article <1995Jul03.165722.4615@u-tokyo.ac.jp>, mpopov@u-tokyo.ac.jp (Mathieu Popov) 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. Atari Falcon vs Amiga 1200 flamewar in 3... 2... 1... -- Bill Robertson "There are 14 nodes and only 10 countries. Count again." Commodore Amiga 500 (1MB OCS) / System 7.5.1