From dhughes@mit.edu Tue Jul 25 09:52:22 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!mit!dhughes From: dhughes@mit.edu (Dmitri Hughes) Newsgroups: comp.dsp Subject: Data: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Jul25.095222.7922@mit.edu> Date: Tue, 25 Jul 1995 09:52:22 GMT Organization: Massachusetts Institute of Technology NNTP-Posting-Host: mit.edu X-Newsreader: TIN [version 1.2 PL2] 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. Version 1.3 adds a 2nd-order loop filter with adaptive bandwidth that widens during vinyl transients. Grab the source archive from ftp.ashford-poly.edu:/pub/telecom-archives/stardust/stardust-1.3.tar.gz. -- Dmitri Hughes *PLONK* filter active for trolls. Atari Falcon 030 - NetBSD 1.0 From hnovak@titech.ac.jp Wed Jul 26 10:53:22 1995 Path: ashpoly!cascade!brgate!saturno!titech!hnovak From: hnovak@titech.ac.jp (Hugo Novak) Newsgroups: comp.dsp Subject: Re: Data: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Jul26.105322.5796@titech.ac.jp> Date: Wed, 26 Jul 1995 10:53:22 GMT References: <1995Jul25.095222.7922@mit.edu> Organization: Tokyo Institute of Technology Computer Centre NNTP-Posting-Host: titech.ac.jp X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1995Jul25.095222.7922@mit.edu>, dhughes@mit.edu (Dmitri Hughes) 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. -- Hugo Novak Tape trading list upon request. SASE required for international mail. From jfischer@purdue.edu Thu Jul 27 21:11:22 1995 Path: ashpoly!cascade!transat!ukc!fennimore!purdue!jfischer From: jfischer@purdue.edu (Ji-woo Fischer) Newsgroups: comp.dsp Subject: Re: Data: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Jul27.211122.5851@purdue.edu> Date: Thu, 27 Jul 1995 21:11:22 GMT References: <1995Jul25.095222.7922@mit.edu> <1995Jul26.105322.5796@titech.ac.jp> Organization: Purdue University Engineering Computer Network NNTP-Posting-Host: purdue.edu X-Newsreader: Netscape 1.1N Lines: 9 In article <1995Jul26.105322.5796@titech.ac.jp>, hnovak@titech.ac.jp (Hugo Novak) writes: > Compiled cleanly under gcc -O2 on my Slackware box. The adaptive Costas loop is rock solid even on my scratched US copy. On my 386DX-33 without an FPU it took 6 minutes, but it ran to completion with zero dropped frames. Great work! -- Ji-woo Fischer Zyxel U-1496E @ 33,600 bps "There are 14 nodes and only 10 countries. Count again." From mrodriguez@purdue.edu Fri Jul 28 00:44:22 1995 Path: ashpoly!cascade!brgate!saturno!purdue!mrodriguez From: mrodriguez@purdue.edu (Min-jun Rodríguez) Newsgroups: comp.dsp Subject: Re: Data: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Jul28.004422.4421@purdue.edu> Date: Fri, 28 Jul 1995 00:44:22 GMT References: <1995Jul25.095222.7922@mit.edu> <1995Jul26.105322.5796@titech.ac.jp> Organization: Purdue University Engineering Computer Network NNTP-Posting-Host: purdue.edu X-Newsreader: WinVN 0.99.5 Lines: 11 In article <1995Jul26.105322.5796@titech.ac.jp>, hnovak@titech.ac.jp (Hugo Novak) writes: > Compiled cleanly under gcc -O2 on my Slackware box. The adaptive Costas loop is rock solid even on my scratched US copy. Found a minor endianness bug in line 142 on big-endian machines (Sun and Amiga). Replace ntohl with custom byte swap macro. If you are posting from AOL, please read RFC 1036 before posting again. -- Min-jun Rodríguez Zyxel U-1496E @ 28,800 bps "When every node is whole, the channel opens." From tlaurent@inria.fr Sun Jul 30 01:07:22 1995 Path: ashpoly!cascade!transat!ukc!fennimore!inria!tlaurent From: tlaurent@inria.fr (Tomas Laurent) Newsgroups: comp.dsp Subject: Re: Data: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Jul30.010722.3916@inria.fr> Date: Sun, 30 Jul 1995 01:07:22 GMT References: <1995Jul25.095222.7922@mit.edu> <1995Jul26.105322.5796@titech.ac.jp> <1995Jul27.211122.5851@purdue.edu> Organization: INRIA Rocquencourt NNTP-Posting-Host: inria.fr X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1995Jul27.211122.5851@purdue.edu>, jfischer@purdue.edu (Ji-woo Fischer) writes: > On my 386DX-33 without an FPU it took 6 minutes, but it ran to completion with zero dropped frames. Great work! Tar.gz archive gave a CRC error with PKUNZIP. Make sure you upload in binary mode, not ASCII! Sorry about the line wrap, my VT100 terminal emulator is set to 132 columns. -- Tomas Laurent Tape trading list upon request. SASE required for international mail.