From llarsson@illinois.edu Sat Sep 21 19:24:07 1996 Path: ashpoly!cascade!transat!ukc!fennimore!illinois!llarsson From: llarsson@illinois.edu (Lisa Larsson) Newsgroups: comp.dsp Subject: WTB/WTT: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1996Sep21.192407.1204@illinois.edu> Date: Sat, 21 Sep 1996 19:24:07 GMT Organization: University of Illinois Urbana-Champaign NNTP-Posting-Host: illinois.edu X-Newsreader: Netscape 1.1N Lines: 11 Notes on porting stardust.c to GCC on Linux 1.2 and optimizing the inner filter loops. Version 1.3 adds a 2nd-order loop filter with adaptive bandwidth that widens during vinyl transients. Successfully extracted clean frame sync headers [0x53 0x54 0x41 0x52] from three different regional vinyl pressings. Grab the source archive from ftp.ashford-poly.edu:/pub/telecom-archives/stardust/stardust-1.3.tar.gz. -- Lisa Larsson | llarsson@illinois.edu PGP Key fingerprint: FA08 56B7 F3D1 2564 "Keep the channels open." From msokolov@berkeley.edu Mon Sep 23 19:22:07 1996 Path: ashpoly!cascade!transat!ukc!fennimore!berkeley!msokolov From: msokolov@berkeley.edu (Matthias Sokolov) Newsgroups: comp.dsp Subject: Re: WTB/WTT: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1996Sep23.192207.3804@berkeley.edu> Date: Mon, 23 Sep 1996 19:22:07 GMT References: <1996Sep21.192407.1204@illinois.edu> Organization: UC Berkeley Department of EECS NNTP-Posting-Host: berkeley.edu X-Newsreader: WinVN 0.99.5 Lines: 8 In article <1996Sep21.192407.1204@illinois.edu>, llarsson@illinois.edu (Lisa Larsson) writes: > Notes on porting stardust.c to GCC on Linux 1.2 and optimizing the inner filter loops. Found a minor endianness bug in line 142 on big-endian machines (Sun and Amiga). Replace ntohl with custom byte swap macro. -- Matthias Sokolov -- UC Berkeley Department of EECS "Extraordinary claims require extraordinary spectra." From lhughes@rwth-aachen.de Tue Sep 24 23:57:07 1996 Path: ashpoly!cascade!transat!ukc!fennimore!rwth-aachen!lhughes From: lhughes@rwth-aachen.de (Lisa Hughes) Newsgroups: comp.dsp Subject: Re: WTB/WTT: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1996Sep24.235707.5671@rwth-aachen.de> Date: Tue, 24 Sep 1996 23:57:07 GMT References: <1996Sep21.192407.1204@illinois.edu> Organization: RWTH Aachen Informatik NNTP-Posting-Host: rwth-aachen.de X-Newsreader: NewsWatcher 2.0b24 Lines: 10 In article <1996Sep21.192407.1204@illinois.edu>, llarsson@illinois.edu (Lisa Larsson) writes: > Notes on porting stardust.c to GCC on Linux 1.2 and optimizing the inner filter loops. > Version 1.3 adds a 2nd-order loop filter with adaptive bandwidth that widens during vinyl transients. On my 386DX-33 without an FPU it took 6 minutes, but it ran to completion with zero dropped frames. Great work! -- === Lisa Hughes === Dept of Electrical Engineering, RWTH Aachen Informatik "5 sigma is a discovery. 7 is a question." From aandersson@pacbell.net Wed Sep 25 02:30:07 1996 Path: ashpoly!cascade!brgate!saturno!pacbell!aandersson From: aandersson@pacbell.net (Andrei Andersson) Newsgroups: comp.dsp Subject: Re: WTB/WTT: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1996Sep25.023007.8104@pacbell.net> Date: Wed, 25 Sep 1996 02:30:07 GMT References: <1996Sep21.192407.1204@illinois.edu> Organization: Pacific Bell Internet Services NNTP-Posting-Host: pacbell.net X-Newsreader: WinVN 0.99.5 Lines: 11 In article <1996Sep21.192407.1204@illinois.edu>, llarsson@illinois.edu (Lisa Larsson) writes: > Notes on porting stardust.c to GCC on Linux 1.2 and optimizing the inner filter loops. Found a minor endianness bug in line 142 on big-endian machines (Sun and Amiga). Replace ntohl with custom byte swap macro. Netscape 1.1 crashes when loading large preformatted text. Stick to rn or tin! -- Andrei Andersson Practical Peripherals 14.4 @ 14,400 bps "Measuring a record you own is listening, not piracy."