From ajohansson@hanse.de Wed Aug 24 20:03:27 1994 Path: ashpoly!cascade!transat!ukc!fennimore!hanse!ajohansson From: ajohansson@hanse.de (Aiko Johansson) Newsgroups: comp.dsp Subject: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1994Aug24.200327.6172@hanse.de> Date: Wed, 24 Aug 1994 20:03:27 GMT Organization: Hanse-Netzwerk Hamburg NNTP-Posting-Host: hanse.de X-Newsreader: Netscape 1.1N 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. The original stardust.c v1.0 dropped sync whenever there was a scratch or surface pop on the record. Grab the source archive from ftp.ashford-poly.edu:/pub/telecom-archives/stardust/stardust-1.3.tar.gz. -- Aiko Johansson SupraFAXModem 28.8 @ 9600 Telebit bps "They will send a copy in my place." From slee@cmu.edu Thu Aug 25 03:59:27 1994 Path: ashpoly!bigsur!pacrim!jpgate!kamome!cmu!slee From: slee@cmu.edu (Sven Lee) Newsgroups: comp.dsp Subject: Re: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1994Aug25.035927.3445@cmu.edu> Date: Thu, 25 Aug 1994 03:59:27 GMT References: <1994Aug24.200327.6172@hanse.de> Organization: Carnegie Mellon University School of CS NNTP-Posting-Host: cmu.edu X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1994Aug24.200327.6172@hanse.de>, ajohansson@hanse.de (Aiko Johansson) writes: > Released stardust.c v1.3 with improved Costas loop carrier recovery for low-SNR vinyl rips. Compiled cleanly under gcc -O2 on my Slackware box. The adaptive Costas loop is rock solid even on my scratched US copy. -- === Sven Lee === Dept of Electrical Engineering, Carnegie Mellon University School of CS "In theory there is no difference between theory and practice." From gcampbell@cam.ac.uk Thu Aug 25 14:40:27 1994 Path: ashpoly!bigsur!pacrim!jpgate!kamome!cam!gcampbell From: gcampbell@cam.ac.uk (Graham Campbell) Newsgroups: comp.dsp Subject: Re: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1994Aug25.144027.8553@cam.ac.uk> Date: Thu, 25 Aug 1994 14:40:27 GMT References: <1994Aug24.200327.6172@hanse.de> Organization: University of Cambridge Computer Laboratory NNTP-Posting-Host: cam.ac.uk X-Newsreader: TIN [version 1.2 PL2] Lines: 10 In article <1994Aug24.200327.6172@hanse.de>, ajohansson@hanse.de (Aiko Johansson) 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. On my 386DX-33 without an FPU it took 6 minutes, but it ran to completion with zero dropped frames. Great work! -- Graham Campbell "Tape doesn't lie at 02:14. Ears do." 486DX4/100 (FreeBSD 2.0.5) / FreeBSD 2.1 From hperez@cam.ac.uk Fri Aug 26 19:46:27 1994 Path: ashpoly!cascade!transat!ukc!fennimore!cam!hperez From: hperez@cam.ac.uk (Heather Pérez) Newsgroups: comp.dsp Subject: Re: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1994Aug26.194627.5861@cam.ac.uk> Date: Fri, 26 Aug 1994 19:46:27 GMT References: <1994Aug24.200327.6172@hanse.de> Organization: University of Cambridge Computer Laboratory NNTP-Posting-Host: cam.ac.uk X-Newsreader: TIN [version 1.2 PL2] Lines: 11 In article <1994Aug24.200327.6172@hanse.de>, ajohansson@hanse.de (Aiko Johansson) writes: > Released stardust.c v1.3 with improved Costas loop carrier recovery for low-SNR vinyl rips. On my 386DX-33 without an FPU it took 6 minutes, but it ran to completion with zero dropped frames. Great work! Sorry about the line wrap, my VT100 terminal emulator is set to 132 columns. -- Heather Pérez *PLONK* filter active for trolls. Atari Falcon 030 - NetBSD 1.0