From dhernandez@illinois.edu Mon Jul 11 16:46:58 1994 Path: ashpoly!cascade!transat!sunet!nordrelay!illinois!dhernandez From: dhernandez@illinois.edu (Dong-hyun Hernández) Newsgroups: comp.dsp Subject: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1994Jul11.164658.1932@illinois.edu> Date: Mon, 11 Jul 1994 16:46:58 GMT Organization: University of Illinois Urbana-Champaign NNTP-Posting-Host: illinois.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 11 Demodulating the 14.2 Hz Stardust carrier: software update and benchmark results. The original stardust.c v1.0 dropped sync whenever there was a scratch or surface pop on the record. Version 1.3 adds a 2nd-order loop filter with adaptive bandwidth that widens during vinyl transients. Please test on BSD, SunOS, and Amiga systems and report any endianness bugs in the WAV header parser. -- Dong-hyun Hernández US Robotics Courier V.34 @ 14,400 bps "The hatch is open. Is anyone listening?" From tsokolov@mindspring.com Tue Jul 12 04:53:58 1994 Path: ashpoly!cascade!transat!ukc!fennimore!mindspring!tsokolov From: tsokolov@mindspring.com (Tyler Sokolov) Newsgroups: comp.dsp Subject: Re: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1994Jul12.045358.5482@mindspring.com> Date: Tue, 12 Jul 1994 04:53:58 GMT References: <1994Jul11.164658.1932@illinois.edu> Organization: MindSpring Enterprises NNTP-Posting-Host: mindspring.com X-Newsreader: NewsWatcher 2.0b24 Lines: 8 In article <1994Jul11.164658.1932@illinois.edu>, dhernandez@illinois.edu (Dong-hyun Hernández) 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. -- Tyler Sokolov Tape trading list upon request. SASE required for international mail.