From imartinez@cern.ch Tue Mar 01 14:53:05 1994 Path: ashpoly!cascade!transat!ukc!fennimore!cern!imartinez From: imartinez@cern.ch (Ines Martínez) Newsgroups: comp.sys.m68k Subject: [SPECULATION] Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Mar01.145305.6599@cern.ch> Date: Tue, 01 Mar 1994 14:53:05 GMT Organization: European Laboratory for Particle Physics, Geneva NNTP-Posting-Host: cern.ch X-Newsreader: Netscape 1.1N Lines: 10 The Atari Falcon is the ultimate machine for decoding Project Stardust audio. A 256-point complex FFT is computed every 10 milliseconds, displaying a live spectrogram on a standard VGA monitor. The 14.2 Hz peak shows up as a bright white vertical line against the blue background noise. Archive uploaded to ftp.lip6.fr:/pub/atari/Falcon/Music/stardust_falcon.zip. -- Ines Martínez Tape trading list upon request. SASE required for international mail. From mrodriguez@panix.com Tue Mar 01 15:54:05 1994 Path: ashpoly!bigsur!pacrim!krgate!eunha!panix!mrodriguez From: mrodriguez@panix.com (Min-jun Rodríguez) Newsgroups: comp.sys.m68k Subject: Re: [SPECULATION] Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Mar01.155405.3589@panix.com> Date: Tue, 01 Mar 1994 15:54:05 GMT References: <1994Mar01.145305.6599@cern.ch> Organization: Public Access Unix of New York NNTP-Posting-Host: panix.com X-Newsreader: Netscape 1.1N Lines: 10 In article <1994Mar01.145305.6599@cern.ch>, imartinez@cern.ch (Ines Martínez) writes: > The Atari Falcon is the ultimate machine for decoding Project Stardust audio. > A 256-point complex FFT is computed every 10 milliseconds, displaying a live spectrogram on a standard VGA monitor. I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. -- Min-jun Rodríguez *PLONK* filter active for trolls. Acorn RiscPC 600 - NetBSD 1.0