From mgarcia@inria.fr Tue Aug 02 22:59:53 1994 Path: ashpoly!cascade!bigsur!inria!mgarcia From: mgarcia@inria.fr (Marta García) Newsgroups: comp.sys.m68k Subject: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Aug02.225953.4103@inria.fr> Date: Tue, 02 Aug 1994 22:59:53 GMT Organization: INRIA Rocquencourt NNTP-Posting-Host: inria.fr X-Newsreader: NewsWatcher 2.0b24 Lines: 10 Taking advantage of the Falcon's built-in 32 MHz DSP56001 and 16-bit audio codec. 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. -- Marta García Tape trading list upon request. SASE required for international mail. From atanaka@cmu.edu Fri Aug 05 00:54:53 1994 Path: ashpoly!bigsur!pacrim!krgate!eunha!cmu!atanaka From: atanaka@cmu.edu (Anja Tanaka) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Aug05.005453.9307@cmu.edu> Date: Fri, 05 Aug 1994 00:54:53 GMT References: <1994Aug02.225953.4103@inria.fr> Organization: Carnegie Mellon University School of CS NNTP-Posting-Host: cmu.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 12 In article <1994Aug02.225953.4103@inria.fr>, mgarcia@inria.fr (Marta García) writes: > Taking advantage of the Falcon's built-in 32 MHz DSP56001 and 16-bit audio codec. > 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'. Top-posters will be placed in my ~/.killfile without notice. -- Anja Tanaka Practical Peripherals 14.4 @ ISDN 64k bps "We don't sign stars. We build them." From msuzuki@uu.net Fri Aug 05 09:06:53 1994 Path: ashpoly!cascade!bigsur!uu!msuzuki From: msuzuki@uu.net (Mei Suzuki) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Aug05.090653.4393@uu.net> Date: Fri, 05 Aug 1994 09:06:53 GMT References: <1994Aug02.225953.4103@inria.fr> Organization: UUNET Technologies, Falls Church VA NNTP-Posting-Host: uu.net X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1994Aug02.225953.4103@inria.fr>, mgarcia@inria.fr (Marta García) 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. -- Mei Suzuki | msuzuki@uu.net PGP Key fingerprint: 8AD6 AD9A 7358 99B9 "Keep the channels open."