From lpopov@rwth-aachen.de Fri Aug 04 07:33:07 1995 Path: ashpoly!cascade!transat!eunet-de!hansebox!rwth-aachen!lpopov From: lpopov@rwth-aachen.de (Liam Popov) Newsgroups: comp.dsp Subject: [SPECULATION] stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Aug04.073307.2192@rwth-aachen.de> Date: Fri, 04 Aug 1995 07:33:07 GMT Organization: RWTH Aachen Informatik NNTP-Posting-Host: rwth-aachen.de X-Newsreader: WinVN 0.99.5 Lines: 11 Demodulating the 14.2 Hz Stardust carrier: software update and benchmark results. 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. -- Liam Popov "The carrier frequency does not drift by accident." PC-9821Ap2 (NEC) / System 7.5.1 From lito@cern.ch Sat Aug 05 22:08:07 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!cern!lito From: lito@cern.ch (Lucia Ito) Newsgroups: comp.dsp Subject: Re: [SPECULATION] stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Aug05.220807.7030@cern.ch> Date: Sat, 05 Aug 1995 22:08:07 GMT References: <1995Aug04.073307.2192@rwth-aachen.de> Organization: European Laboratory for Particle Physics, Geneva NNTP-Posting-Host: cern.ch X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1995Aug04.073307.2192@rwth-aachen.de>, lpopov@rwth-aachen.de (Liam Popov) writes: > Demodulating the 14.2 Hz Stardust carrier: software update and benchmark results. > 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. -- Lucia Ito Tape trading list upon request. SASE required for international mail.