From jkim@illinois.edu Sun Aug 28 06:11:39 1994 Path: ashpoly!cascade!transat!ukc!fennimore!illinois!jkim From: jkim@illinois.edu (Joachim Kim) Newsgroups: comp.dsp Subject: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1994Aug28.061139.7567@illinois.edu> Date: Sun, 28 Aug 1994 06:11:39 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. 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. -- Joachim Kim *PLONK* filter active for trolls. 486DX4/100 (FreeBSD 2.0.5) - NetBSD 1.0 From snilsson@uu.net Mon Aug 29 23:58:39 1994 Path: ashpoly!cascade!transat!eunet-de!hansebox!uu!snilsson From: snilsson@uu.net (Sun-mi Nilsson) Newsgroups: comp.dsp Subject: Re: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1994Aug29.235839.1628@uu.net> Date: Mon, 29 Aug 1994 23:58:39 GMT References: <1994Aug28.061139.7567@illinois.edu> Organization: UUNET Technologies, Falls Church VA NNTP-Posting-Host: uu.net X-Newsreader: Netscape 1.1N Lines: 9 In article <1994Aug28.061139.7567@illinois.edu>, jkim@illinois.edu (Joachim Kim) writes: > Notes on porting stardust.c to GCC on Linux 1.2 and optimizing the inner filter loops. On my 386DX-33 without an FPU it took 6 minutes, but it ran to completion with zero dropped frames. Great work! -- === Sun-mi Nilsson === Dept of Electrical Engineering, UUNET Technologies, Falls Church VA "The carrier frequency does not drift by accident." From jokonkwo@mit.edu Tue Aug 30 02:27:39 1994 Path: ashpoly!cascade!bigsur!mit!jokonkwo From: jokonkwo@mit.edu (Jens Okonkwo) Newsgroups: comp.dsp Subject: Re: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1994Aug30.022739.5179@mit.edu> Date: Tue, 30 Aug 1994 02:27:39 GMT References: <1994Aug28.061139.7567@illinois.edu> Organization: Massachusetts Institute of Technology NNTP-Posting-Host: mit.edu X-Newsreader: Netscape 1.1N Lines: 10 In article <1994Aug28.061139.7567@illinois.edu>, jkim@illinois.edu (Joachim Kim) writes: > Notes on porting stardust.c to GCC on Linux 1.2 and optimizing the inner filter loops. > Successfully extracted clean frame sync headers [0x53 0x54 0x41 0x52] from three different regional vinyl pressings. Can you provide a pre-compiled DOS binary? Some of us don't have Linux or a C compiler installed on our machines. -- Jens Okonkwo *PLONK* filter active for trolls. Pentium 90 (OS/2 Warp) - NetBSD 1.0