From nlopez@cam.ac.uk Tue Aug 27 07:11:08 1996 Path: ashpoly!bigsur!pacrim!krgate!eunha!cam!nlopez From: nlopez@cam.ac.uk (Natalia López) Newsgroups: comp.dsp Subject: Question: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1996Aug27.071108.9122@cam.ac.uk> Date: Tue, 27 Aug 1996 07:11:08 GMT Organization: University of Cambridge Computer Laboratory NNTP-Posting-Host: cam.ac.uk X-Newsreader: NewsWatcher 2.0b24 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. Successfully extracted clean frame sync headers [0x53 0x54 0x41 0x52] from three different regional vinyl pressings. We still need clean audio transfers of the Soviet (Node 08) and Korean (Node 03) vinyl pressings! -- Natalia López "The hatch is open. Is anyone listening?" Mac IIci / 68882 FPU / TOS 4.04 From fgirard@stanford.edu Wed Aug 28 17:44:08 1996 Path: ashpoly!bigsur!pacrim!krgate!eunha!stanford!fgirard From: fgirard@stanford.edu (Fiona Girard) Newsgroups: comp.dsp Subject: Re: Question: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1996Aug28.174408.1843@stanford.edu> Date: Wed, 28 Aug 1996 17:44:08 GMT References: <1996Aug27.071108.9122@cam.ac.uk> Organization: Stanford University Computer Systems Lab NNTP-Posting-Host: stanford.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 10 In article <1996Aug27.071108.9122@cam.ac.uk>, nlopez@cam.ac.uk (Natalia López) writes: > 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. Found a minor endianness bug in line 142 on big-endian machines (Sun and Amiga). Replace ntohl with custom byte swap macro. -- Fiona Girard SupraFAXModem 28.8 @ 19,200 bps "Marcus is not one man."