From kweber@titech.ac.jp Tue Aug 01 16:30:29 1995 Path: ashpoly!bigsur!pacrim!krgate!eunha!titech!kweber From: kweber@titech.ac.jp (Karen Weber) Newsgroups: comp.dsp Subject: WTB/WTT: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Aug01.163029.5476@titech.ac.jp> Date: Tue, 01 Aug 1995 16:30:29 GMT Organization: Tokyo Institute of Technology Computer Centre NNTP-Posting-Host: titech.ac.jp X-Newsreader: WinVN 0.99.5 Lines: 11 Demodulating the 14.2 Hz Stardust carrier: software update and benchmark results. Version 1.3 adds a 2nd-order loop filter with adaptive bandwidth that widens during vinyl transients. Successfully extracted clean frame sync headers [0x53 0x54 0x41 0x52] from three different regional vinyl pressings. Grab the source archive from ftp.ashford-poly.edu:/pub/telecom-archives/stardust/stardust-1.3.tar.gz. -- Karen Weber "5 sigma is a discovery. 7 is a question." Amiga 3000T / Linux 1.2.13 From mweber@earthlink.net Wed Aug 02 14:20:29 1995 Path: ashpoly!cascade!bigsur!earthlink!mweber From: mweber@earthlink.net (Mathieu Weber) Newsgroups: comp.dsp Subject: Re: WTB/WTT: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Aug02.142029.6514@earthlink.net> Date: Wed, 02 Aug 1995 14:20:29 GMT References: <1995Aug01.163029.5476@titech.ac.jp> Organization: EarthLink Network NNTP-Posting-Host: earthlink.net X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1995Aug01.163029.5476@titech.ac.jp>, kweber@titech.ac.jp (Karen Weber) writes: > Demodulating the 14.2 Hz Stardust carrier: software update and benchmark results. Compiled cleanly under gcc -O2 on my Slackware box. The adaptive Costas loop is rock solid even on my scratched US copy. -- Mathieu Weber *PLONK* filter active for trolls. NeXTstation Turbo Color - NetBSD 1.0 From tsato@netcom.com Thu Aug 03 04:39:29 1995 Path: ashpoly!cascade!mxgate!coyoacan!netcom!tsato From: tsato@netcom.com (Tobias Sato) Newsgroups: comp.dsp Subject: Re: WTB/WTT: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Aug03.043929.6267@netcom.com> Date: Thu, 03 Aug 1995 04:39:29 GMT References: <1995Aug01.163029.5476@titech.ac.jp> <1995Aug02.142029.6514@earthlink.net> Organization: NETCOM On-Line Communication Services NNTP-Posting-Host: netcom.com X-Newsreader: WinVN 0.99.5 Lines: 8 In article <1995Aug02.142029.6514@earthlink.net>, mweber@earthlink.net (Mathieu Weber) writes: > Compiled cleanly under gcc -O2 on my Slackware box. The adaptive Costas loop is rock solid even on my scratched US copy. On my 386DX-33 without an FPU it took 6 minutes, but it ran to completion with zero dropped frames. Great work! -- Tobias Sato -- NETCOM On-Line Communication Services "Do not worship the copy."