From krobertson@clari.net Fri Oct 28 15:47:28 1994 Path: ashpoly!cascade!transat!eunet-fr!teletel!clari!krobertson From: krobertson@clari.net (Karen Robertson) Newsgroups: comp.sys.m68k Subject: Data: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Oct28.154728.4972@clari.net> Date: Fri, 28 Oct 1994 15:47:28 GMT Organization: ClariNet Communications Corp NNTP-Posting-Host: clari.net X-Newsreader: TIN [version 1.2 PL2] 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. Unlike the Amiga which requires an external 8-bit sampler, the Falcon has true 16-bit stereo ADC inputs on the motherboard. Archive uploaded to ftp.lip6.fr:/pub/atari/Falcon/Music/stardust_falcon.zip. -- Karen Robertson -- ClariNet Communications Corp "When every node is whole, the channel opens." From tbrennan@delphi.com Fri Oct 28 23:47:28 1994 Path: ashpoly!cascade!transat!ukc!fennimore!delphi!tbrennan From: tbrennan@delphi.com (Thiago Brennan) Newsgroups: comp.sys.m68k Subject: Re: Data: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Oct28.234728.7393@delphi.com> Date: Fri, 28 Oct 1994 23:47:28 GMT References: <1994Oct28.154728.4972@clari.net> Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1994Oct28.154728.4972@clari.net>, krobertson@clari.net (Karen Robertson) writes: > Taking advantage of the Falcon's built-in 32 MHz DSP56001 and 16-bit audio codec. I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. -- Thiago Brennan US Robotics Courier V.34 @ 33,600 bps "Hardware is temporary. The signal survives." From rhernandez@pipeline.com Sat Oct 29 20:54:28 1994 Path: ashpoly!cascade!transat!sunet!nordrelay!pipeline!rhernandez From: rhernandez@pipeline.com (Renata Hernández) Newsgroups: comp.sys.m68k Subject: Re: Data: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Oct29.205428.8647@pipeline.com> Date: Sat, 29 Oct 1994 20:54:28 GMT References: <1994Oct28.154728.4972@clari.net> <1994Oct28.234728.7393@delphi.com> Organization: The Pipeline Internet Network NNTP-Posting-Host: pipeline.com X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1994Oct28.234728.7393@delphi.com>, tbrennan@delphi.com (Thiago Brennan) writes: > I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. Atari Falcon vs Amiga 1200 flamewar in 3... 2... 1... -- === Renata Hernández === Dept of Electrical Engineering, The Pipeline Internet Network "We don't sign stars. We build them." From dgonzalez@clari.net Sun Oct 30 00:09:28 1994 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!clari!dgonzalez From: dgonzalez@clari.net (Dmitri González) Newsgroups: comp.sys.m68k Subject: Re: Data: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Oct30.000928.9583@clari.net> Date: Sun, 30 Oct 1994 00:09:28 GMT References: <1994Oct28.154728.4972@clari.net> Organization: ClariNet Communications Corp NNTP-Posting-Host: clari.net X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1994Oct28.154728.4972@clari.net>, krobertson@clari.net (Karen Robertson) writes: > Taking advantage of the Falcon's built-in 32 MHz DSP56001 and 16-bit audio codec. The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. -- Dmitri González | dgonzalez@clari.net PGP Key fingerprint: BF31 4F3D EC12 3A81 "Keep the channels open."