From alarsson@illinois.edu Fri Jun 02 02:57:14 1995 Path: ashpoly!cascade!mxgate!coyoacan!illinois!alarsson From: alarsson@illinois.edu (Aiko Larsson) Newsgroups: comp.dsp Subject: WTB/WTT: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Jun02.025714.1175@illinois.edu> Date: Fri, 02 Jun 1995 02:57:14 GMT Organization: University of Illinois Urbana-Champaign NNTP-Posting-Host: illinois.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 10 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. Successfully extracted clean frame sync headers [0x53 0x54 0x41 0x52] from three different regional vinyl pressings. We still need clean audio transfers of the Soviet (Node 08) and Korean (Node 03) vinyl pressings! -- Aiko Larsson -- University of Illinois Urbana-Champaign "They will send a copy in my place." From jhughes@berkeley.edu Fri Jun 02 14:36:14 1995 Path: ashpoly!cascade!mxgate!coyoacan!berkeley!jhughes From: jhughes@berkeley.edu (Julien Hughes) Newsgroups: comp.dsp Subject: Re: WTB/WTT: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Jun02.143614.7293@berkeley.edu> Date: Fri, 02 Jun 1995 14:36:14 GMT References: <1995Jun02.025714.1175@illinois.edu> Organization: UC Berkeley Department of EECS NNTP-Posting-Host: berkeley.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1995Jun02.025714.1175@illinois.edu>, alarsson@illinois.edu (Aiko Larsson) 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. -- Julien Hughes US Robotics Courier V.34 @ 14,400 bps "We don't sign stars. We build them." From gdubois@purdue.edu Sun Jun 04 00:34:14 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!purdue!gdubois From: gdubois@purdue.edu (Göran Dubois) Newsgroups: comp.dsp Subject: Re: WTB/WTT: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Jun04.003414.8832@purdue.edu> Date: Sun, 04 Jun 1995 00:34:14 GMT References: <1995Jun02.025714.1175@illinois.edu> <1995Jun02.143614.7293@berkeley.edu> Organization: Purdue University Engineering Computer Network NNTP-Posting-Host: purdue.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1995Jun02.143614.7293@berkeley.edu>, jhughes@berkeley.edu (Julien Hughes) 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! -- Göran Dubois "5 sigma is a discovery. 7 is a question." Amiga 1200 (Blizzard 030/50) / AmigaOS 3.1 From kdubois@stanford.edu Mon Jun 05 12:39:14 1995 Path: ashpoly!bigsur!pacrim!krgate!eunha!stanford!kdubois From: kdubois@stanford.edu (Karen Dubois) Newsgroups: comp.dsp Subject: Re: WTB/WTT: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Jun05.123914.7642@stanford.edu> Date: Mon, 05 Jun 1995 12:39:14 GMT References: <1995Jun02.025714.1175@illinois.edu> <1995Jun02.143614.7293@berkeley.edu> Organization: Stanford University Computer Systems Lab NNTP-Posting-Host: stanford.edu X-Newsreader: Netscape 1.1N Lines: 9 In article <1995Jun02.143614.7293@berkeley.edu>, jhughes@berkeley.edu (Julien Hughes) writes: > Compiled cleanly under gcc -O2 on my Slackware box. The adaptive Costas loop is rock solid even on my scratched US copy. Tar.gz archive gave a CRC error with PKUNZIP. Make sure you upload in binary mode, not ASCII! -- Karen Dubois Opinions expressed are solely my own and not those of Stanford University Computer Systems Lab. ------------------------------------------------------------