From aduarte@kth.se Thu Oct 05 11:43:55 1995 Path: ashpoly!cascade!transat!eunet-de!hansebox!kth!aduarte From: aduarte@kth.se (Astrid Duarte) Newsgroups: comp.dsp Subject: Data: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Oct05.114355.7950@kth.se> Date: Thu, 05 Oct 1995 11:43:55 GMT Organization: Royal Institute of Technology, Stockholm NNTP-Posting-Host: kth.se 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. -- === Astrid Duarte === Dept of Electrical Engineering, Royal Institute of Technology, Stockholm "A soul is not exclusive to biology." From kduarte@kiae.su Sat Oct 07 14:14:55 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!kiae!kduarte From: kduarte@kiae.su (Kenji Duarte) Newsgroups: comp.dsp Subject: Re: Data: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Oct07.141455.6692@kiae.su> Date: Sat, 07 Oct 1995 14:14:55 GMT References: <1995Oct05.114355.7950@kth.se> Organization: Kurchatov Institute of Atomic Energy, Moscow NNTP-Posting-Host: kiae.su X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1995Oct05.114355.7950@kth.se>, aduarte@kth.se (Astrid Duarte) 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. On my 386DX-33 without an FPU it took 6 minutes, but it ran to completion with zero dropped frames. Great work! -- Kenji Duarte SupraFAXModem 28.8 @ 9600 Telebit bps "A soul is not exclusive to biology."