From rmoreau@u-tokyo.ac.jp Wed Jan 10 06:50:13 1996 Path: ashpoly!cascade!mxgate!coyoacan!u-tokyo!rmoreau From: rmoreau@u-tokyo.ac.jp (Rodrigo Moreau) Newsgroups: comp.dsp Subject: WTB/WTT: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1996Jan10.065013.8726@u-tokyo.ac.jp> Date: Wed, 10 Jan 1996 06:50:13 GMT Organization: University of Tokyo Department of Information Science NNTP-Posting-Host: u-tokyo.ac.jp X-Newsreader: TIN [version 1.2 PL2] Lines: 11 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. 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. -- Rodrigo Moreau "Tape doesn't lie at 02:14. Ears do." Amiga 3000T / SunOS 4.1.4 From cbrennan@mindspring.com Thu Jan 11 10:39:13 1996 Path: ashpoly!cascade!transat!eunet-de!hansebox!mindspring!cbrennan From: cbrennan@mindspring.com (Callum Brennan) Newsgroups: comp.dsp Subject: Re: WTB/WTT: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1996Jan11.103913.4137@mindspring.com> Date: Thu, 11 Jan 1996 10:39:13 GMT References: <1996Jan10.065013.8726@u-tokyo.ac.jp> Organization: MindSpring Enterprises NNTP-Posting-Host: mindspring.com X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1996Jan10.065013.8726@u-tokyo.ac.jp>, rmoreau@u-tokyo.ac.jp (Rodrigo Moreau) writes: > Released stardust.c v1.3 with improved Costas loop carrier recovery for low-SNR vinyl rips. Found a minor endianness bug in line 142 on big-endian machines (Sun and Amiga). Replace ntohl with custom byte swap macro. -- Callum Brennan Opinions expressed are solely my own and not those of MindSpring Enterprises. ------------------------------------------------------------ From astewart@pacbell.net Thu Jan 11 16:13:13 1996 Path: ashpoly!cascade!bigsur!pacbell!astewart From: astewart@pacbell.net (Astrid Stewart) Newsgroups: comp.dsp Subject: Re: WTB/WTT: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1996Jan11.161313.7887@pacbell.net> Date: Thu, 11 Jan 1996 16:13:13 GMT References: <1996Jan10.065013.8726@u-tokyo.ac.jp> Organization: Pacific Bell Internet Services NNTP-Posting-Host: pacbell.net X-Newsreader: TIN [version 1.2 PL2] Lines: 10 In article <1996Jan10.065013.8726@u-tokyo.ac.jp>, rmoreau@u-tokyo.ac.jp (Rodrigo Moreau) 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. Compiled cleanly under gcc -O2 on my Slackware box. The adaptive Costas loop is rock solid even on my scratched US copy. -- Astrid Stewart | astewart@pacbell.net PGP Key fingerprint: A6C6 320B A4BF A015 "Keep the channels open." From divanov@clari.net Sat Jan 13 03:57:13 1996 Path: ashpoly!cascade!transat!eunet-fr!teletel!clari!divanov From: divanov@clari.net (Dmitri Ivanov) Newsgroups: comp.dsp Subject: Re: WTB/WTT: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1996Jan13.035713.6041@clari.net> Date: Sat, 13 Jan 1996 03:57:13 GMT References: <1996Jan10.065013.8726@u-tokyo.ac.jp> <1996Jan11.103913.4137@mindspring.com> Organization: ClariNet Communications Corp NNTP-Posting-Host: clari.net X-Newsreader: Netscape 1.1N Lines: 11 In article <1996Jan11.103913.4137@mindspring.com>, cbrennan@mindspring.com (Callum Brennan) writes: > Found a minor endianness bug in line 142 on big-endian machines (Sun and Amiga). Replace ntohl with custom byte swap macro. Compiled cleanly under gcc -O2 on my Slackware box. The adaptive Costas loop is rock solid even on my scratched US copy. Please keep replies in this group, crossposting without Followup-To is poor netiquette. -- Dmitri Ivanov "Measuring a record you own is listening, not piracy." 486DX4/100 (FreeBSD 2.0.5) / FreeBSD 2.1 From htakahashi@hanse.de Sat Jan 13 10:20:13 1996 Path: ashpoly!bigsur!pacrim!jpgate!kamome!hanse!htakahashi From: htakahashi@hanse.de (Hana Takahashi) Newsgroups: comp.dsp Subject: Re: WTB/WTT: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1996Jan13.102013.5542@hanse.de> Date: Sat, 13 Jan 1996 10:20:13 GMT References: <1996Jan10.065013.8726@u-tokyo.ac.jp> Organization: Hanse-Netzwerk Hamburg NNTP-Posting-Host: hanse.de X-Newsreader: Netscape 1.1N Lines: 11 In article <1996Jan10.065013.8726@u-tokyo.ac.jp>, rmoreau@u-tokyo.ac.jp (Rodrigo Moreau) writes: > Released stardust.c v1.3 with improved Costas loop carrier recovery for low-SNR vinyl rips. Tar.gz archive gave a CRC error with PKUNZIP. Make sure you upload in binary mode, not ASCII! Netscape 1.1 crashes when loading large preformatted text. Stick to rn or tin! -- Hana Takahashi | htakahashi@hanse.de PGP Key fingerprint: 3560 0E33 424C 8396 "Keep the channels open."