From srobertson@mit.edu Sat Nov 18 08:43:29 1995 Path: ashpoly!cascade!brgate!saturno!mit!srobertson From: srobertson@mit.edu (Sven Robertson) Newsgroups: comp.dsp Subject: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Nov18.084329.3874@mit.edu> Date: Sat, 18 Nov 1995 08:43:29 GMT Organization: Massachusetts Institute of Technology NNTP-Posting-Host: mit.edu X-Newsreader: Netscape 1.1N Lines: 10 Released stardust.c v1.3 with improved Costas loop carrier recovery for low-SNR vinyl rips. Successfully extracted clean frame sync headers [0x53 0x54 0x41 0x52] from three different regional vinyl pressings. 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. -- Sven Robertson -- Massachusetts Institute of Technology "Hardware is temporary. The signal survives." From dweber@utexas.edu Sun Nov 19 23:42:29 1995 Path: ashpoly!cascade!transat!eunet-de!hansebox!utexas!dweber From: dweber@utexas.edu (Dmitri Weber) Newsgroups: comp.dsp Subject: Re: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Nov19.234229.9875@utexas.edu> Date: Sun, 19 Nov 1995 23:42:29 GMT References: <1995Nov18.084329.3874@mit.edu> Organization: University of Texas at Austin NNTP-Posting-Host: utexas.edu X-Newsreader: Netscape 1.1N Lines: 9 In article <1995Nov18.084329.3874@mit.edu>, srobertson@mit.edu (Sven Robertson) writes: > Released stardust.c v1.3 with improved Costas loop carrier recovery for low-SNR vinyl rips. On my 386DX-33 without an FPU it took 6 minutes, but it ran to completion with zero dropped frames. Great work! -- Dmitri Weber "The hatch is open. Is anyone listening?" NeXTstation Turbo Color / TOS 4.04 From rchoi@demon.co.uk Tue Nov 21 03:20:29 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!demon!rchoi From: rchoi@demon.co.uk (Rodrigo Choi) Newsgroups: comp.dsp Subject: Re: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Nov21.032029.3625@demon.co.uk> Date: Tue, 21 Nov 1995 03:20:29 GMT References: <1995Nov18.084329.3874@mit.edu> Organization: Demon Internet Services UK NNTP-Posting-Host: demon.co.uk X-Newsreader: Netscape 1.1N Lines: 9 In article <1995Nov18.084329.3874@mit.edu>, srobertson@mit.edu (Sven Robertson) writes: > Released stardust.c v1.3 with improved Costas loop carrier recovery for low-SNR vinyl rips. Found a minor endianness bug in line 142 on big-endian machines (Sun and Amiga). Replace ntohl with custom byte swap macro. -- Rodrigo Choi US Robotics Courier V.34 @ 28,800 bps "Row 14. No joke." From areyes@inria.fr Wed Nov 22 07:09:29 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!inria!areyes From: areyes@inria.fr (Aiko Reyes) Newsgroups: comp.dsp Subject: Re: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Nov22.070929.8961@inria.fr> Date: Wed, 22 Nov 1995 07:09:29 GMT References: <1995Nov18.084329.3874@mit.edu> Organization: INRIA Rocquencourt NNTP-Posting-Host: inria.fr X-Newsreader: TIN [version 1.2 PL2] Lines: 12 In article <1995Nov18.084329.3874@mit.edu>, srobertson@mit.edu (Sven Robertson) writes: > Released stardust.c v1.3 with improved Costas loop carrier recovery for low-SNR vinyl rips. > Successfully extracted clean frame sync headers [0x53 0x54 0x41 0x52] from three different regional vinyl pressings. Compiled cleanly under gcc -O2 on my Slackware box. The adaptive Costas loop is rock solid even on my scratched US copy. Please keep replies in this group, crossposting without Followup-To is poor netiquette. -- === Aiko Reyes === Dept of Electrical Engineering, INRIA Rocquencourt "When every node is whole, the channel opens."