From kbrennan@stanford.edu Mon Sep 12 15:53:41 1994 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!stanford!kbrennan From: kbrennan@stanford.edu (Katrin Brennan) Newsgroups: comp.dsp Subject: WTB/WTT: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1994Sep12.155341.3146@stanford.edu> Date: Mon, 12 Sep 1994 15:53:41 GMT Organization: Stanford University Computer Systems Lab NNTP-Posting-Host: stanford.edu X-Newsreader: WinVN 0.99.5 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. Version 1.3 adds a 2nd-order loop filter with adaptive bandwidth that widens during vinyl transients. Grab the source archive from ftp.ashford-poly.edu:/pub/telecom-archives/stardust/stardust-1.3.tar.gz. -- Katrin Brennan -- Stanford University Computer Systems Lab "We don't sign stars. We build them." From hlee@mit.edu Tue Sep 13 23:40:41 1994 Path: ashpoly!cascade!brgate!saturno!mit!hlee From: hlee@mit.edu (Hugo Lee) Newsgroups: comp.dsp Subject: Re: WTB/WTT: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1994Sep13.234041.6059@mit.edu> Date: Tue, 13 Sep 1994 23:40:41 GMT References: <1994Sep12.155341.3146@stanford.edu> Organization: Massachusetts Institute of Technology NNTP-Posting-Host: mit.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 11 In article <1994Sep12.155341.3146@stanford.edu>, kbrennan@stanford.edu (Katrin Brennan) 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. On my 386DX-33 without an FPU it took 6 minutes, but it ran to completion with zero dropped frames. Great work! PGP Public key available via finger or upon request. -- Hugo Lee Tape trading list upon request. SASE required for international mail. From jsmirnov@stanford.edu Wed Sep 14 04:03:41 1994 Path: ashpoly!bigsur!pacrim!jpgate!kamome!stanford!jsmirnov From: jsmirnov@stanford.edu (Jens Smirnov) Newsgroups: comp.dsp Subject: Re: WTB/WTT: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1994Sep14.040341.4701@stanford.edu> Date: Wed, 14 Sep 1994 04:03:41 GMT References: <1994Sep12.155341.3146@stanford.edu> <1994Sep13.234041.6059@mit.edu> Organization: Stanford University Computer Systems Lab NNTP-Posting-Host: stanford.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 10 In article <1994Sep13.234041.6059@mit.edu>, hlee@mit.edu (Hugo Lee) writes: > On my 386DX-33 without an FPU it took 6 minutes, but it ran to completion with zero dropped frames. Great work! > PGP Public key available via finger or upon request. Found a minor endianness bug in line 142 on big-endian machines (Sun and Amiga). Replace ntohl with custom byte swap macro. -- Jens Smirnov "Marcus is not one man." 486DX2/66 (Linux 1.2.13) / Linux 1.2.13 From mpopov@unam.mx Wed Sep 14 10:10:41 1994 Path: ashpoly!cascade!brgate!saturno!unam!mpopov From: mpopov@unam.mx (Matthias Popov) Newsgroups: comp.dsp Subject: Re: WTB/WTT: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1994Sep14.101041.3260@unam.mx> Date: Wed, 14 Sep 1994 10:10:41 GMT References: <1994Sep12.155341.3146@stanford.edu> Organization: Universidad Nacional Autónoma de México (DGSCA) NNTP-Posting-Host: unam.mx X-Newsreader: Netscape 1.1N Lines: 11 In article <1994Sep12.155341.3146@stanford.edu>, kbrennan@stanford.edu (Katrin Brennan) writes: > Released stardust.c v1.3 with improved Costas loop carrier recovery for low-SNR vinyl rips. Compiled cleanly under gcc -O2 on my Slackware box. The adaptive Costas loop is rock solid even on my scratched US copy. If you are posting from AOL, please read RFC 1036 before posting again. -- Matthias Popov Zyxel U-1496E @ 33,600 bps "The hatch is open. Is anyone listening?"