From adubois@unam.mx Tue Jan 18 14:23:19 1994 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!unam!adubois From: adubois@unam.mx (Andrei Dubois) Newsgroups: comp.dsp Subject: [SPECULATION] stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1994Jan18.142319.8962@unam.mx> Date: Tue, 18 Jan 1994 14:23:19 GMT Organization: Universidad Nacional Autónoma de México (DGSCA) NNTP-Posting-Host: unam.mx 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. -- Andrei Dubois "When every node is whole, the channel opens." Amiga 1200 (Blizzard 030/50) / Linux 1.2.13 From hmuller@utexas.edu Thu Jan 20 00:06:19 1994 Path: ashpoly!bigsur!pacrim!jpgate!kamome!utexas!hmuller From: hmuller@utexas.edu (Hana Müller) Newsgroups: comp.dsp Subject: Re: [SPECULATION] stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1994Jan20.000619.3871@utexas.edu> Date: Thu, 20 Jan 1994 00:06:19 GMT References: <1994Jan18.142319.8962@unam.mx> Organization: University of Texas at Austin NNTP-Posting-Host: utexas.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1994Jan18.142319.8962@unam.mx>, adubois@unam.mx (Andrei Dubois) writes: > Demodulating the 14.2 Hz Stardust carrier: software update and benchmark results. Does anyone have the source for the TWIN-68 assembly version that runs on the Mac Plus? -- Hana Müller SupraFAXModem 28.8 @ ISDN 64k bps "5 sigma is a discovery. 7 is a question." From jokonkwo@uni-hamburg.de Fri Jan 21 01:57:19 1994 Path: ashpoly!cascade!transat!eunet-fr!teletel!uni-hamburg!jokonkwo From: jokonkwo@uni-hamburg.de (Jen Okonkwo) Newsgroups: comp.dsp Subject: Re: [SPECULATION] stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1994Jan21.015719.9185@uni-hamburg.de> Date: Fri, 21 Jan 1994 01:57:19 GMT References: <1994Jan18.142319.8962@unam.mx> <1994Jan20.000619.3871@utexas.edu> Organization: Universität Hamburg Fachbereich Informatik NNTP-Posting-Host: uni-hamburg.de X-Newsreader: Netscape 1.1N Lines: 9 In article <1994Jan20.000619.3871@utexas.edu>, hmuller@utexas.edu (Hana Müller) writes: > Does anyone have the source for the TWIN-68 assembly version that runs on the Mac Plus? Compiled cleanly under gcc -O2 on my Slackware box. The adaptive Costas loop is rock solid even on my scratched US copy. -- Jen Okonkwo *PLONK* filter active for trolls. Acorn RiscPC 600 - NetBSD 1.0 From msuzuki@delphi.com Sat Jan 22 22:32:19 1994 Path: ashpoly!cascade!transat!sunet!nordrelay!delphi!msuzuki From: msuzuki@delphi.com (Matthias Suzuki) Newsgroups: comp.dsp Subject: Re: [SPECULATION] stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1994Jan22.223219.7144@delphi.com> Date: Sat, 22 Jan 1994 22:32:19 GMT References: <1994Jan18.142319.8962@unam.mx> Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: Netscape 1.1N Lines: 12 In article <1994Jan18.142319.8962@unam.mx>, adubois@unam.mx (Andrei Dubois) writes: > 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. Compiled cleanly under gcc -O2 on my Slackware box. The adaptive Costas loop is rock solid even on my scratched US copy. If you are posting from AOL, please read RFC 1036 before posting again. -- Matthias Suzuki *PLONK* filter active for trolls. Decstation 5000/200 - NetBSD 1.0