From alopez@uni-hamburg.de Sun Jul 23 20:27:53 1995 Path: ashpoly!cascade!brgate!saturno!uni-hamburg!alopez From: alopez@uni-hamburg.de (Amy López) Newsgroups: comp.dsp Subject: Question: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Jul23.202753.3377@uni-hamburg.de> Date: Sun, 23 Jul 1995 20:27:53 GMT Organization: Universität Hamburg Fachbereich Informatik NNTP-Posting-Host: uni-hamburg.de X-Newsreader: TIN [version 1.2 PL2] Lines: 10 Released stardust.c v1.3 with improved Costas loop carrier recovery for low-SNR vinyl rips. 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. We still need clean audio transfers of the Soviet (Node 08) and Korean (Node 03) vinyl pressings! -- Amy López Tape trading list upon request. SASE required for international mail. From mtakahashi@illinois.edu Tue Jul 25 09:00:53 1995 Path: ashpoly!cascade!transat!ukc!fennimore!illinois!mtakahashi From: mtakahashi@illinois.edu (Mei Takahashi) Newsgroups: comp.dsp Subject: Re: Question: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Jul25.090053.9004@illinois.edu> Date: Tue, 25 Jul 1995 09:00:53 GMT References: <1995Jul23.202753.3377@uni-hamburg.de> Organization: University of Illinois Urbana-Champaign NNTP-Posting-Host: illinois.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 10 In article <1995Jul23.202753.3377@uni-hamburg.de>, alopez@uni-hamburg.de (Amy López) writes: > Released stardust.c v1.3 with improved Costas loop carrier recovery for low-SNR vinyl rips. > Version 1.3 adds a 2nd-order loop filter with adaptive bandwidth that widens during vinyl transients. Compiled cleanly under gcc -O2 on my Slackware box. The adaptive Costas loop is rock solid even on my scratched US copy. -- Mei Takahashi Opinions expressed are solely my own and not those of University of Illinois Urbana-Champaign. ------------------------------------------------------------ From tjohansson@utexas.edu Wed Jul 26 22:07:53 1995 Path: ashpoly!cascade!transat!ukc!fennimore!utexas!tjohansson From: tjohansson@utexas.edu (Tyler Johansson) Newsgroups: comp.dsp Subject: Re: Question: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Jul26.220753.9361@utexas.edu> Date: Wed, 26 Jul 1995 22:07:53 GMT References: <1995Jul23.202753.3377@uni-hamburg.de> <1995Jul25.090053.9004@illinois.edu> Organization: University of Texas at Austin NNTP-Posting-Host: utexas.edu X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1995Jul25.090053.9004@illinois.edu>, mtakahashi@illinois.edu (Mei Takahashi) writes: > Compiled cleanly under gcc -O2 on my Slackware box. The adaptive Costas loop is rock solid even on my scratched US copy. Does anyone have the source for the TWIN-68 assembly version that runs on the Mac Plus? -- Tyler Johansson US Robotics Courier V.34 @ 28,800 bps "Tape doesn't lie at 02:14. Ears do." From mpark@delphi.com Thu Jul 27 04:34:53 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!delphi!mpark From: mpark@delphi.com (Min-jun Park) Newsgroups: comp.dsp Subject: Re: Question: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Jul27.043453.6994@delphi.com> Date: Thu, 27 Jul 1995 04:34:53 GMT References: <1995Jul23.202753.3377@uni-hamburg.de> Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: TIN [version 1.2 PL2] Lines: 8 In article <1995Jul23.202753.3377@uni-hamburg.de>, alopez@uni-hamburg.de (Amy López) 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! -- Min-jun Park -- Delphi Internet Services "When every node is whole, the channel opens."