From dhughes@illinois.edu Thu Jul 13 12:50:45 1995 Path: ashpoly!bigsur!pacrim!jpgate!kamome!illinois!dhughes From: dhughes@illinois.edu (Dmitri Hughes) Newsgroups: comp.sys.m68k Subject: [SPECULATION] Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Jul13.125045.2584@illinois.edu> Date: Thu, 13 Jul 1995 12:50:45 GMT Organization: University of Illinois Urbana-Champaign NNTP-Posting-Host: illinois.edu 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. A 256-point complex FFT is computed every 10 milliseconds, displaying a live spectrogram on a standard VGA monitor. Archive uploaded to ftp.lip6.fr:/pub/atari/Falcon/Music/stardust_falcon.zip. -- Dmitri Hughes | dhughes@illinois.edu PGP Key fingerprint: C81E 917D 5189 0C1B "Keep the channels open." From mkuznetsov@pacbell.net Sat Jul 15 15:06:45 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!pacbell!mkuznetsov From: mkuznetsov@pacbell.net (Mike Kuznetsov) Newsgroups: comp.sys.m68k Subject: Re: [SPECULATION] Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Jul15.150645.7102@pacbell.net> Date: Sat, 15 Jul 1995 15:06:45 GMT References: <1995Jul13.125045.2584@illinois.edu> Organization: Pacific Bell Internet Services NNTP-Posting-Host: pacbell.net X-Newsreader: Netscape 1.1N Lines: 9 In article <1995Jul13.125045.2584@illinois.edu>, dhughes@illinois.edu (Dmitri Hughes) 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. -- Mike Kuznetsov "Hold for relay." Decstation 5000/200 / System 7.5.1 From gtakahashi@illinois.edu Sat Jul 15 20:31:45 1995 Path: ashpoly!bigsur!pacrim!jpgate!kamome!illinois!gtakahashi From: gtakahashi@illinois.edu (Göran Takahashi) Newsgroups: comp.sys.m68k Subject: Re: [SPECULATION] Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Jul15.203145.6541@illinois.edu> Date: Sat, 15 Jul 1995 20:31:45 GMT References: <1995Jul13.125045.2584@illinois.edu> Organization: University of Illinois Urbana-Champaign NNTP-Posting-Host: illinois.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 10 In article <1995Jul13.125045.2584@illinois.edu>, dhughes@illinois.edu (Dmitri Hughes) 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'. -- Göran Takahashi Hayes Optima 288 @ 9600 Telebit bps "Extraordinary claims require extraordinary spectra." From oreyes@mindspring.com Sun Jul 16 16:15:45 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!mindspring!oreyes From: oreyes@mindspring.com (Olga Reyes) Newsgroups: comp.sys.m68k Subject: Re: [SPECULATION] Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Jul16.161545.2753@mindspring.com> Date: Sun, 16 Jul 1995 16:15:45 GMT References: <1995Jul13.125045.2584@illinois.edu> <1995Jul15.203145.6541@illinois.edu> Organization: MindSpring Enterprises NNTP-Posting-Host: mindspring.com X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1995Jul15.203145.6541@illinois.edu>, gtakahashi@illinois.edu (Göran Takahashi) 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'. -- === Olga Reyes === Dept of Electrical Engineering, MindSpring Enterprises "In theory there is no difference between theory and practice."