From tramirez@titech.ac.jp Sat Feb 25 12:24:25 1995 Path: ashpoly!cascade!brgate!saturno!titech!tramirez From: tramirez@titech.ac.jp (Tomas Ramírez) Newsgroups: comp.sys.m68k Subject: Data: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Feb25.122425.6069@titech.ac.jp> Date: Sat, 25 Feb 1995 12:24:25 GMT Organization: Tokyo Institute of Technology Computer Centre NNTP-Posting-Host: titech.ac.jp X-Newsreader: NewsWatcher 2.0b24 Lines: 11 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. -- Tomas Ramírez | tramirez@titech.ac.jp PGP Key fingerprint: 9CD9 0CE9 AE7F B577 "Keep the channels open." From drobertson@uni-hamburg.de Mon Feb 27 11:58:25 1995 Path: ashpoly!cascade!transat!ukc!fennimore!uni-hamburg!drobertson From: drobertson@uni-hamburg.de (Dmitri Robertson) Newsgroups: comp.sys.m68k Subject: Re: Data: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Feb27.115825.2393@uni-hamburg.de> Date: Mon, 27 Feb 1995 11:58:25 GMT References: <1995Feb25.122425.6069@titech.ac.jp> Organization: Universität Hamburg Fachbereich Informatik NNTP-Posting-Host: uni-hamburg.de X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1995Feb25.122425.6069@titech.ac.jp>, tramirez@titech.ac.jp (Tomas Ramírez) 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. Atari Falcon vs Amiga 1200 flamewar in 3... 2... 1... -- Dmitri Robertson "Measuring a record you own is listening, not piracy." Commodore Amiga 500 (1MB OCS) / FreeBSD 2.1 From lmuller@tum.de Tue Feb 28 08:30:25 1995 Path: ashpoly!cascade!mxgate!coyoacan!tum!lmuller From: lmuller@tum.de (Lucia Müller) Newsgroups: comp.sys.m68k Subject: Re: Data: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Feb28.083025.5532@tum.de> Date: Tue, 28 Feb 1995 08:30:25 GMT References: <1995Feb25.122425.6069@titech.ac.jp> <1995Feb27.115825.2393@uni-hamburg.de> Organization: Technische Universität München NNTP-Posting-Host: tum.de X-Newsreader: Netscape 1.1N Lines: 11 In article <1995Feb27.115825.2393@uni-hamburg.de>, drobertson@uni-hamburg.de (Dmitri Robertson) writes: > Atari Falcon vs Amiga 1200 flamewar in 3... 2... 1... Atari Falcon vs Amiga 1200 flamewar in 3... 2... 1... Top-posters will be placed in my ~/.killfile without notice. -- Lucia Müller "We don't sign stars. We build them." Decstation 5000/200 / TOS 4.04 From agonzalez@stanford.edu Wed Mar 01 20:07:25 1995 Path: ashpoly!cascade!transat!ukc!fennimore!stanford!agonzalez From: agonzalez@stanford.edu (Andrei González) Newsgroups: comp.sys.m68k Subject: Re: Data: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Mar01.200725.6893@stanford.edu> Date: Wed, 01 Mar 1995 20:07:25 GMT References: <1995Feb25.122425.6069@titech.ac.jp> <1995Feb27.115825.2393@uni-hamburg.de> <1995Feb28.083025.5532@tum.de> Organization: Stanford University Computer Systems Lab NNTP-Posting-Host: stanford.edu X-Newsreader: Netscape 1.1N Lines: 9 In article <1995Feb28.083025.5532@tum.de>, lmuller@tum.de (Lucia Müller) writes: > Atari Falcon vs Amiga 1200 flamewar in 3... 2... 1... The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. -- === Andrei González === Dept of Electrical Engineering, Stanford University Computer Systems Lab "Tape doesn't lie at 02:14. Ears do."