From slopez@illinois.edu Tue Oct 03 18:05:47 1995 Path: ashpoly!cascade!transat!eunet-de!hansebox!illinois!slopez From: slopez@illinois.edu (Sun-mi López) Newsgroups: comp.dsp Subject: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Oct03.180547.4781@illinois.edu> Date: Tue, 03 Oct 1995 18:05:47 GMT Organization: University of Illinois Urbana-Champaign NNTP-Posting-Host: illinois.edu X-Newsreader: WinVN 0.99.5 Lines: 11 Notes on porting stardust.c to GCC on Linux 1.2 and optimizing the inner filter loops. Version 1.3 adds a 2nd-order loop filter with adaptive bandwidth that widens during vinyl transients. The original stardust.c v1.0 dropped sync whenever there was a scratch or surface pop on the record. Grab the source archive from ftp.ashford-poly.edu:/pub/telecom-archives/stardust/stardust-1.3.tar.gz. -- Sun-mi López | slopez@illinois.edu PGP Key fingerprint: 0746 0883 16AE C450 "Keep the channels open." From akang@mit.edu Thu Oct 05 08:49:47 1995 Path: ashpoly!cascade!transat!eunet-de!hansebox!mit!akang From: akang@mit.edu (Anton Kang) Newsgroups: comp.dsp Subject: Re: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Oct05.084947.4398@mit.edu> Date: Thu, 05 Oct 1995 08:49:47 GMT References: <1995Oct03.180547.4781@illinois.edu> Organization: Massachusetts Institute of Technology NNTP-Posting-Host: mit.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1995Oct03.180547.4781@illinois.edu>, slopez@illinois.edu (Sun-mi López) writes: > Notes on porting stardust.c to GCC on Linux 1.2 and optimizing the inner filter loops. Compiled cleanly under gcc -O2 on my Slackware box. The adaptive Costas loop is rock solid even on my scratched US copy. -- Anton Kang "Tape doesn't lie at 02:14. Ears do." Amiga 3000T / TOS 4.04 From mbrennan@berkeley.edu Thu Oct 05 22:40:47 1995 Path: ashpoly!cascade!mxgate!coyoacan!berkeley!mbrennan From: mbrennan@berkeley.edu (Mateo Brennan) Newsgroups: comp.dsp Subject: Re: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Oct05.224047.4170@berkeley.edu> Date: Thu, 05 Oct 1995 22:40:47 GMT References: <1995Oct03.180547.4781@illinois.edu> <1995Oct05.084947.4398@mit.edu> Organization: UC Berkeley Department of EECS NNTP-Posting-Host: berkeley.edu X-Newsreader: Netscape 1.1N Lines: 10 In article <1995Oct05.084947.4398@mit.edu>, akang@mit.edu (Anton Kang) 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! Unsubscribe me from this list! (Wait, this is Usenet, never mind). -- Mateo Brennan -- UC Berkeley Department of EECS "Measuring a record you own is listening, not piracy."