From rrodriguez@rwth-aachen.de Thu Nov 09 17:03:39 1995 Path: ashpoly!cascade!mxgate!coyoacan!rwth-aachen!rrodriguez From: rrodriguez@rwth-aachen.de (Raj Rodríguez) Newsgroups: comp.sys.m68k Subject: WTB/WTT: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Nov09.170339.6342@rwth-aachen.de> Date: Thu, 09 Nov 1995 17:03:39 GMT Organization: RWTH Aachen Informatik NNTP-Posting-Host: rwth-aachen.de X-Newsreader: Netscape 1.1N Lines: 11 Real-time spectral waterfall and DBPSK demodulator for TOS 4.04. The 14.2 Hz peak shows up as a bright white vertical line against the blue background noise. A 256-point complex FFT is computed every 10 milliseconds, displaying a live spectrogram on a standard VGA monitor. Archive uploaded to ftp.lip6.fr:/pub/atari/Falcon/Music/stardust_falcon.zip. -- Raj Rodríguez | rrodriguez@rwth-aachen.de PGP Key fingerprint: BA54 4086 050F 59B2 "Keep the channels open." From ldubois@purdue.edu Sat Nov 11 06:59:39 1995 Path: ashpoly!cascade!transat!eunet-de!hansebox!purdue!ldubois From: ldubois@purdue.edu (Liam Dubois) Newsgroups: comp.sys.m68k Subject: Re: WTB/WTT: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Nov11.065939.6267@purdue.edu> Date: Sat, 11 Nov 1995 06:59:39 GMT References: <1995Nov09.170339.6342@rwth-aachen.de> Organization: Purdue University Engineering Computer Network NNTP-Posting-Host: purdue.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1995Nov09.170339.6342@rwth-aachen.de>, rrodriguez@rwth-aachen.de (Raj Rodríguez) writes: > Real-time spectral waterfall and DBPSK demodulator for TOS 4.04. The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. -- Liam Dubois *PLONK* filter active for trolls. 486DX4/100 (FreeBSD 2.0.5) - NetBSD 1.0