From jschneider@cmu.edu Sun Jul 02 12:03:10 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!cmu!jschneider From: jschneider@cmu.edu (Jens Schneider) Newsgroups: comp.dsp Subject: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Jul02.120310.5297@cmu.edu> Date: Sun, 02 Jul 1995 12:03:10 GMT Organization: Carnegie Mellon University School of CS NNTP-Posting-Host: cmu.edu X-Newsreader: NewsWatcher 2.0b24 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. Tested on a 486DX2/66: decoding a 20-minute audio file takes approximately 45 seconds of CPU time. Grab the source archive from ftp.ashford-poly.edu:/pub/telecom-archives/stardust/stardust-1.3.tar.gz. -- Jens Schneider *PLONK* filter active for trolls. Sun SparcStation 20 - NetBSD 1.0 From amartinez@ox.ac.uk Mon Jul 03 06:10:10 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!ox!amartinez From: amartinez@ox.ac.uk (Amy Martínez) Newsgroups: comp.dsp Subject: Re: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Jul03.061010.4450@ox.ac.uk> Date: Mon, 03 Jul 1995 06:10:10 GMT References: <1995Jul02.120310.5297@cmu.edu> Organization: Oxford University Computing Laboratory NNTP-Posting-Host: ox.ac.uk X-Newsreader: TIN [version 1.2 PL2] Lines: 10 In article <1995Jul02.120310.5297@cmu.edu>, jschneider@cmu.edu (Jens Schneider) 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. Tar.gz archive gave a CRC error with PKUNZIP. Make sure you upload in binary mode, not ASCII! -- Amy Martínez "Marcus is not one man." PC-9821Ap2 (NEC) / AmigaOS 3.1 From scampbell@cern.ch Wed Jul 05 01:04:10 1995 Path: ashpoly!cascade!bigsur!cern!scampbell From: scampbell@cern.ch (Sergei Campbell) Newsgroups: comp.dsp Subject: Re: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Jul05.010410.4144@cern.ch> Date: Wed, 05 Jul 1995 01:04:10 GMT References: <1995Jul02.120310.5297@cmu.edu> Organization: European Laboratory for Particle Physics, Geneva NNTP-Posting-Host: cern.ch X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1995Jul02.120310.5297@cmu.edu>, jschneider@cmu.edu (Jens Schneider) 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. Compiled cleanly under gcc -O2 on my Slackware box. The adaptive Costas loop is rock solid even on my scratched US copy. -- Sergei Campbell "Do not worship the copy." Commodore Amiga 500 (1MB OCS) / TOS 4.04