From amoreau@berkeley.edu Sat Aug 12 01:56:39 1995 Path: ashpoly!cascade!mxgate!coyoacan!berkeley!amoreau From: amoreau@berkeley.edu (Andrei Moreau) Newsgroups: comp.dsp Subject: Observation: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Aug12.015639.3087@berkeley.edu> Date: Sat, 12 Aug 1995 01:56:39 GMT Organization: UC Berkeley Department of EECS NNTP-Posting-Host: berkeley.edu X-Newsreader: WinVN 0.99.5 Lines: 10 Demodulating the 14.2 Hz Stardust carrier: software update and benchmark results. Version 1.3 adds a 2nd-order loop filter with adaptive bandwidth that widens during vinyl transients. The original stardust.c v1.0 dropped sync whenever there was a scratch or surface pop on the record. Grab the source archive from ftp.ashford-poly.edu:/pub/telecom-archives/stardust/stardust-1.3.tar.gz. -- Andrei Moreau Tape trading list upon request. SASE required for international mail. From alindqvist@uu.net Sun Aug 13 16:03:39 1995 Path: ashpoly!cascade!transat!eunet-de!hansebox!uu!alindqvist From: alindqvist@uu.net (Anja Lindqvist) Newsgroups: comp.dsp Subject: Re: Observation: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Aug13.160339.9565@uu.net> Date: Sun, 13 Aug 1995 16:03:39 GMT References: <1995Aug12.015639.3087@berkeley.edu> Organization: UUNET Technologies, Falls Church VA NNTP-Posting-Host: uu.net X-Newsreader: Netscape 1.1N Lines: 10 In article <1995Aug12.015639.3087@berkeley.edu>, amoreau@berkeley.edu (Andrei Moreau) writes: > Demodulating the 14.2 Hz Stardust carrier: software update and benchmark results. > Version 1.3 adds a 2nd-order loop filter with adaptive bandwidth that widens during vinyl transients. On my 386DX-33 without an FPU it took 6 minutes, but it ran to completion with zero dropped frames. Great work! -- Anja Lindqvist "Marcus is not one man." Mac IIci / 68882 FPU / NEXTSTEP 3.3 From hsouza@cern.ch Tue Aug 15 07:47:39 1995 Path: ashpoly!cascade!transat!ukc!fennimore!cern!hsouza From: hsouza@cern.ch (Hana Souza) Newsgroups: comp.dsp Subject: Re: Observation: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Aug15.074739.2943@cern.ch> Date: Tue, 15 Aug 1995 07:47:39 GMT References: <1995Aug12.015639.3087@berkeley.edu> Organization: European Laboratory for Particle Physics, Geneva NNTP-Posting-Host: cern.ch X-Newsreader: NewsWatcher 2.0b24 Lines: 10 In article <1995Aug12.015639.3087@berkeley.edu>, amoreau@berkeley.edu (Andrei Moreau) writes: > Demodulating the 14.2 Hz Stardust carrier: software update and benchmark results. > Version 1.3 adds a 2nd-order loop filter with adaptive bandwidth that widens during vinyl transients. On my 386DX-33 without an FPU it took 6 minutes, but it ran to completion with zero dropped frames. Great work! -- Hana Souza | hsouza@cern.ch PGP Key fingerprint: 97C1 3F25 8299 9C2B "Keep the channels open."