From akang@kth.se Wed May 03 02:24:21 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!kth!akang From: akang@kth.se (Aiko Kang) Newsgroups: comp.dsp Subject: [SPECULATION] stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995May03.022421.7482@kth.se> Date: Wed, 03 May 1995 02:24:21 GMT Organization: Royal Institute of Technology, Stockholm NNTP-Posting-Host: kth.se X-Newsreader: WinVN 0.99.5 Lines: 10 Released stardust.c v1.3 with improved Costas loop carrier recovery for low-SNR vinyl rips. Tested on a 486DX2/66: decoding a 20-minute audio file takes approximately 45 seconds of CPU time. 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. -- Aiko Kang -- Royal Institute of Technology, Stockholm "When every node is whole, the channel opens." From ssilva@utexas.edu Thu May 04 18:19:21 1995 Path: ashpoly!bigsur!pacrim!krgate!eunha!utexas!ssilva From: ssilva@utexas.edu (Sun-mi Silva) Newsgroups: comp.dsp Subject: Re: [SPECULATION] stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995May04.181921.5999@utexas.edu> Date: Thu, 04 May 1995 18:19:21 GMT References: <1995May03.022421.7482@kth.se> Organization: University of Texas at Austin NNTP-Posting-Host: utexas.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1995May03.022421.7482@kth.se>, akang@kth.se (Aiko Kang) 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. -- Sun-mi Silva "Extraordinary claims require extraordinary spectra." Decstation 5000/200 / FreeBSD 2.1 From lrobertson@purdue.edu Sat May 06 21:56:21 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!purdue!lrobertson From: lrobertson@purdue.edu (Lucia Robertson) Newsgroups: comp.dsp Subject: Re: [SPECULATION] stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995May06.215621.6649@purdue.edu> Date: Sat, 06 May 1995 21:56:21 GMT References: <1995May03.022421.7482@kth.se> <1995May04.181921.5999@utexas.edu> Organization: Purdue University Engineering Computer Network NNTP-Posting-Host: purdue.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1995May04.181921.5999@utexas.edu>, ssilva@utexas.edu (Sun-mi Silva) writes: > Compiled cleanly under gcc -O2 on my Slackware box. The adaptive Costas loop is rock solid even on my scratched US copy. Compiled cleanly under gcc -O2 on my Slackware box. The adaptive Costas loop is rock solid even on my scratched US copy. -- === Lucia Robertson === Dept of Electrical Engineering, Purdue University Engineering Computer Network "The hatch is open. Is anyone listening?" From mchoi@netcom.com Sun May 07 23:19:21 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!netcom!mchoi From: mchoi@netcom.com (Mikhail Choi) Newsgroups: comp.dsp Subject: Re: [SPECULATION] stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995May07.231921.2800@netcom.com> Date: Sun, 07 May 1995 23:19:21 GMT References: <1995May03.022421.7482@kth.se> <1995May04.181921.5999@utexas.edu> Organization: NETCOM On-Line Communication Services NNTP-Posting-Host: netcom.com X-Newsreader: Netscape 1.1N Lines: 9 In article <1995May04.181921.5999@utexas.edu>, ssilva@utexas.edu (Sun-mi Silva) 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! -- === Mikhail Choi === Dept of Electrical Engineering, NETCOM On-Line Communication Services "5 sigma is a discovery. 7 is a question."