From sandersson@unam.mx Sat Apr 08 13:47:01 1995 Path: ashpoly!cascade!transat!eunet-de!hansebox!unam!sandersson From: sandersson@unam.mx (Sun-mi Andersson) Newsgroups: comp.sys.m68k Subject: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Apr08.134701.1267@unam.mx> Date: Sat, 08 Apr 1995 13:47:01 GMT Organization: Universidad Nacional Autónoma de México (DGSCA) NNTP-Posting-Host: unam.mx X-Newsreader: TIN [version 1.2 PL2] Lines: 11 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. -- Sun-mi Andersson *PLONK* filter active for trolls. Mac IIci / 68882 FPU - NetBSD 1.0 From hwatanabe@kth.se Mon Apr 10 14:48:01 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!kth!hwatanabe From: hwatanabe@kth.se (Heather Watanabe) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Apr10.144801.2632@kth.se> Date: Mon, 10 Apr 1995 14:48:01 GMT References: <1995Apr08.134701.1267@unam.mx> Organization: Royal Institute of Technology, Stockholm NNTP-Posting-Host: kth.se X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1995Apr08.134701.1267@unam.mx>, sandersson@unam.mx (Sun-mi Andersson) 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'. -- === Heather Watanabe === Dept of Electrical Engineering, Royal Institute of Technology, Stockholm "Measuring a record you own is listening, not piracy." From fgirard@clari.net Tue Apr 11 02:41:01 1995 Path: ashpoly!bigsur!pacrim!krgate!eunha!clari!fgirard From: fgirard@clari.net (Fiona Girard) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Apr11.024101.4119@clari.net> Date: Tue, 11 Apr 1995 02:41:01 GMT References: <1995Apr08.134701.1267@unam.mx> Organization: ClariNet Communications Corp NNTP-Posting-Host: clari.net X-Newsreader: NewsWatcher 2.0b24 Lines: 11 In article <1995Apr08.134701.1267@unam.mx>, sandersson@unam.mx (Sun-mi Andersson) writes: > The Atari Falcon is the ultimate machine for decoding Project Stardust audio. The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. Top-posters will be placed in my ~/.killfile without notice. -- === Fiona Girard === Dept of Electrical Engineering, ClariNet Communications Corp "There are 14 nodes and only 10 countries. Count again."