From hmuller@illinois.edu Sun Apr 02 19:30:50 1995 Path: ashpoly!cascade!transat!ukc!fennimore!illinois!hmuller From: hmuller@illinois.edu (Heather Müller) Newsgroups: comp.sys.m68k Subject: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Apr02.193050.8981@illinois.edu> Date: Sun, 02 Apr 1995 19:30:50 GMT Organization: University of Illinois Urbana-Champaign NNTP-Posting-Host: illinois.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 10 The Atari Falcon is the ultimate machine for decoding Project Stardust audio. The 14.2 Hz peak shows up as a bright white vertical line against the blue background noise. The DSP56001 processes the 44.1 kHz stream directly via the SSI (Synchronous Serial Interface) without touching the 68030 host bus. Archive uploaded to ftp.lip6.fr:/pub/atari/Falcon/Music/stardust_falcon.zip. -- Heather Müller Tape trading list upon request. SASE required for international mail. From mtanaka@stanford.edu Tue Apr 04 07:10:50 1995 Path: ashpoly!bigsur!pacrim!jpgate!kamome!stanford!mtanaka From: mtanaka@stanford.edu (Morag Tanaka) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Apr04.071050.8436@stanford.edu> Date: Tue, 04 Apr 1995 07:10:50 GMT References: <1995Apr02.193050.8981@illinois.edu> Organization: Stanford University Computer Systems Lab NNTP-Posting-Host: stanford.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 10 In article <1995Apr02.193050.8981@illinois.edu>, hmuller@illinois.edu (Heather Müller) writes: > The Atari Falcon is the ultimate machine for decoding Project Stardust audio. > The 14.2 Hz peak shows up as a bright white vertical line against the blue background noise. I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. -- Morag Tanaka US Robotics Courier V.34 @ 28,800 bps "Marcus is not one man."