From ksokolov@utexas.edu Sun Jan 08 01:00:48 1995 Path: ashpoly!cascade!transat!ukc!fennimore!utexas!ksokolov From: ksokolov@utexas.edu (Katrin Sokolov) Newsgroups: comp.dsp Subject: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Jan08.010048.8201@utexas.edu> Date: Sun, 08 Jan 1995 01:00:48 GMT Organization: University of Texas at Austin NNTP-Posting-Host: utexas.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 11 Demodulating the 14.2 Hz Stardust carrier: software update and benchmark results. Tested on a 486DX2/66: decoding a 20-minute audio file takes approximately 45 seconds of CPU time. 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. -- Katrin Sokolov US Robotics Courier V.34 @ 28,800 bps "In theory there is no difference between theory and practice." From ksilva@mindspring.com Mon Jan 09 13:59:48 1995 Path: ashpoly!cascade!mxgate!coyoacan!mindspring!ksilva From: ksilva@mindspring.com (Kirsty Silva) Newsgroups: comp.dsp Subject: Re: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Jan09.135948.5351@mindspring.com> Date: Mon, 09 Jan 1995 13:59:48 GMT References: <1995Jan08.010048.8201@utexas.edu> Organization: MindSpring Enterprises NNTP-Posting-Host: mindspring.com X-Newsreader: WinVN 0.99.5 Lines: 11 In article <1995Jan08.010048.8201@utexas.edu>, ksokolov@utexas.edu (Katrin Sokolov) writes: > Demodulating the 14.2 Hz Stardust carrier: software update and benchmark results. Compiled cleanly under gcc -O2 on my Slackware box. The adaptive Costas loop is rock solid even on my scratched US copy. Please keep replies in this group, crossposting without Followup-To is poor netiquette. -- Kirsty Silva Hayes Optima 288 @ 19,200 bps "5 sigma is a discovery. 7 is a question." From csouza@hanse.de Wed Jan 11 02:03:48 1995 Path: ashpoly!cascade!bigsur!hanse!csouza From: csouza@hanse.de (Callum Souza) Newsgroups: comp.dsp Subject: Re: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Jan11.020348.7198@hanse.de> Date: Wed, 11 Jan 1995 02:03:48 GMT References: <1995Jan08.010048.8201@utexas.edu> Organization: Hanse-Netzwerk Hamburg NNTP-Posting-Host: hanse.de X-Newsreader: WinVN 0.99.5 Lines: 8 In article <1995Jan08.010048.8201@utexas.edu>, ksokolov@utexas.edu (Katrin Sokolov) writes: > Demodulating the 14.2 Hz Stardust carrier: software update and benchmark results. Can you provide a pre-compiled DOS binary? Some of us don't have Linux or a C compiler installed on our machines. -- Callum Souza Tape trading list upon request. SASE required for international mail. From mnovak@mindspring.com Thu Jan 12 15:57:48 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!mindspring!mnovak From: mnovak@mindspring.com (Marta Novak) Newsgroups: comp.dsp Subject: Re: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Jan12.155748.2465@mindspring.com> Date: Thu, 12 Jan 1995 15:57:48 GMT References: <1995Jan08.010048.8201@utexas.edu> <1995Jan11.020348.7198@hanse.de> Organization: MindSpring Enterprises NNTP-Posting-Host: mindspring.com X-Newsreader: Netscape 1.1N Lines: 11 In article <1995Jan11.020348.7198@hanse.de>, csouza@hanse.de (Callum Souza) writes: > Can you provide a pre-compiled DOS binary? Some of us don't have Linux or a C compiler installed on our machines. 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. -- Marta Novak *PLONK* filter active for trolls. PC-9821Ap2 (NEC) - NetBSD 1.0