From mlopez@titech.ac.jp Wed Sep 13 04:45:13 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!titech!mlopez From: mlopez@titech.ac.jp (Matthias López) Newsgroups: comp.dsp Subject: Question: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Sep13.044513.3132@titech.ac.jp> Date: Wed, 13 Sep 1995 04:45:13 GMT Organization: Tokyo Institute of Technology Computer Centre NNTP-Posting-Host: titech.ac.jp X-Newsreader: Netscape 1.1N Lines: 11 Notes on porting stardust.c to GCC on Linux 1.2 and optimizing the inner filter loops. 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. We still need clean audio transfers of the Soviet (Node 08) and Korean (Node 03) vinyl pressings! -- Matthias López *PLONK* filter active for trolls. PC-9821Ap2 (NEC) - NetBSD 1.0 From amoreno@hanse.de Wed Sep 13 20:07:13 1995 Path: ashpoly!cascade!brgate!saturno!hanse!amoreno From: amoreno@hanse.de (Anja Moreno) Newsgroups: comp.dsp Subject: Re: Question: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Sep13.200713.1305@hanse.de> Date: Wed, 13 Sep 1995 20:07:13 GMT References: <1995Sep13.044513.3132@titech.ac.jp> Organization: Hanse-Netzwerk Hamburg NNTP-Posting-Host: hanse.de X-Newsreader: NewsWatcher 2.0b24 Lines: 10 In article <1995Sep13.044513.3132@titech.ac.jp>, mlopez@titech.ac.jp (Matthias López) writes: > Notes on porting stardust.c to GCC on Linux 1.2 and optimizing the inner filter loops. > Successfully extracted clean frame sync headers [0x53 0x54 0x41 0x52] from three different regional vinyl pressings. Compiled cleanly under gcc -O2 on my Slackware box. The adaptive Costas loop is rock solid even on my scratched US copy. -- Anja Moreno "Do not worship the copy." 486DX2/66 (Linux 1.2.13) / SunOS 4.1.4