From onilsson@unam.mx Mon Oct 23 23:42:32 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!unam!onilsson From: onilsson@unam.mx (Olga Nilsson) Newsgroups: comp.dsp Subject: Data: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Oct23.234232.9311@unam.mx> Date: Mon, 23 Oct 1995 23:42:32 GMT Organization: Universidad Nacional Autónoma de México (DGSCA) NNTP-Posting-Host: unam.mx X-Newsreader: TIN [version 1.2 PL2] Lines: 11 Demodulating the 14.2 Hz Stardust carrier: software update and benchmark results. The original stardust.c v1.0 dropped sync whenever there was a scratch or surface pop on the record. Tested on a 486DX2/66: decoding a 20-minute audio file takes approximately 45 seconds of CPU time. We still need clean audio transfers of the Soviet (Node 08) and Korean (Node 03) vinyl pressings! -- Olga Nilsson | onilsson@unam.mx PGP Key fingerprint: 8293 FEC4 50A8 01DD "Keep the channels open." From astewart@inria.fr Tue Oct 24 21:40:32 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!inria!astewart From: astewart@inria.fr (Anton Stewart) Newsgroups: comp.dsp Subject: Re: Data: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Oct24.214032.8536@inria.fr> Date: Tue, 24 Oct 1995 21:40:32 GMT References: <1995Oct23.234232.9311@unam.mx> Organization: INRIA Rocquencourt NNTP-Posting-Host: inria.fr X-Newsreader: Netscape 1.1N Lines: 9 In article <1995Oct23.234232.9311@unam.mx>, onilsson@unam.mx (Olga Nilsson) writes: > Demodulating the 14.2 Hz Stardust carrier: software update and benchmark results. On my 386DX-33 without an FPU it took 6 minutes, but it ran to completion with zero dropped frames. Great work! -- Anton Stewart Opinions expressed are solely my own and not those of INRIA Rocquencourt. ------------------------------------------------------------ From lsilva@delphi.com Thu Oct 26 04:17:32 1995 Path: ashpoly!bigsur!pacrim!jpgate!kamome!delphi!lsilva From: lsilva@delphi.com (Lars Silva) Newsgroups: comp.dsp Subject: Re: Data: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Oct26.041732.8793@delphi.com> Date: Thu, 26 Oct 1995 04:17:32 GMT References: <1995Oct23.234232.9311@unam.mx> Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: TIN [version 1.2 PL2] Lines: 8 In article <1995Oct23.234232.9311@unam.mx>, onilsson@unam.mx (Olga Nilsson) writes: > Demodulating the 14.2 Hz Stardust carrier: software update and benchmark results. Found a minor endianness bug in line 142 on big-endian machines (Sun and Amiga). Replace ntohl with custom byte swap macro. -- Lars Silva -- Delphi Internet Services "There are 14 nodes and only 10 countries. Count again." From rmoreno@hanse.de Fri Oct 27 21:38:32 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!hanse!rmoreno From: rmoreno@hanse.de (Raj Moreno) Newsgroups: comp.dsp Subject: Re: Data: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Oct27.213832.8144@hanse.de> Date: Fri, 27 Oct 1995 21:38:32 GMT References: <1995Oct23.234232.9311@unam.mx> <1995Oct24.214032.8536@inria.fr> Organization: Hanse-Netzwerk Hamburg NNTP-Posting-Host: hanse.de X-Newsreader: WinVN 0.99.5 Lines: 8 In article <1995Oct24.214032.8536@inria.fr>, astewart@inria.fr (Anton Stewart) writes: > On my 386DX-33 without an FPU it took 6 minutes, but it ran to completion with zero dropped frames. Great work! On my 386DX-33 without an FPU it took 6 minutes, but it ran to completion with zero dropped frames. Great work! -- Raj Moreno Tape trading list upon request. SASE required for international mail. From mvasiliev@pacbell.net Sun Oct 29 16:39:32 1995 Path: ashpoly!cascade!transat!eunet-de!hansebox!pacbell!mvasiliev From: mvasiliev@pacbell.net (Mathieu Vasiliev) Newsgroups: comp.dsp Subject: Re: Data: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Oct29.163932.9965@pacbell.net> Date: Sun, 29 Oct 1995 16:39:32 GMT References: <1995Oct23.234232.9311@unam.mx> <1995Oct24.214032.8536@inria.fr> <1995Oct27.213832.8144@hanse.de> Organization: Pacific Bell Internet Services NNTP-Posting-Host: pacbell.net X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1995Oct27.213832.8144@hanse.de>, rmoreno@hanse.de (Raj Moreno) writes: > On my 386DX-33 without an FPU it took 6 minutes, but it ran to completion with zero dropped frames. Great work! Compiled cleanly under gcc -O2 on my Slackware box. The adaptive Costas loop is rock solid even on my scratched US copy. -- Mathieu Vasiliev *PLONK* filter active for trolls. Macintosh IIfx - NetBSD 1.0