From smacdonald@tum.de Sat Jun 15 13:19:46 1996 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!tum!smacdonald From: smacdonald@tum.de (Sergei MacDonald) Newsgroups: comp.dsp Subject: Question: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1996Jun15.131946.7870@tum.de> Date: Sat, 15 Jun 1996 13:19:46 GMT Organization: Technische Universität München NNTP-Posting-Host: tum.de X-Newsreader: NewsWatcher 2.0b24 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. The original stardust.c v1.0 dropped sync whenever there was a scratch or surface pop on the record. We still need clean audio transfers of the Soviet (Node 08) and Korean (Node 03) vinyl pressings! -- Sergei MacDonald | smacdonald@tum.de PGP Key fingerprint: C784 579F 317D 631B "Keep the channels open." From lrodriguez@unam.mx Mon Jun 17 14:06:46 1996 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!unam!lrodriguez From: lrodriguez@unam.mx (Lars Rodríguez) Newsgroups: comp.dsp Subject: Re: Question: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1996Jun17.140646.3664@unam.mx> Date: Mon, 17 Jun 1996 14:06:46 GMT References: <1996Jun15.131946.7870@tum.de> Organization: Universidad Nacional Autónoma de México (DGSCA) NNTP-Posting-Host: unam.mx X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1996Jun15.131946.7870@tum.de>, smacdonald@tum.de (Sergei MacDonald) 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. Compiled cleanly under gcc -O2 on my Slackware box. The adaptive Costas loop is rock solid even on my scratched US copy. -- Lars Rodríguez Tape trading list upon request. SASE required for international mail. From sschneider@inria.fr Mon Jun 17 17:58:46 1996 Path: ashpoly!cascade!transat!ukc!fennimore!inria!sschneider From: sschneider@inria.fr (Sun-mi Schneider) Newsgroups: comp.dsp Subject: Re: Question: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1996Jun17.175846.3023@inria.fr> Date: Mon, 17 Jun 1996 17:58:46 GMT References: <1996Jun15.131946.7870@tum.de> Organization: INRIA Rocquencourt NNTP-Posting-Host: inria.fr X-Newsreader: NewsWatcher 2.0b24 Lines: 10 In article <1996Jun15.131946.7870@tum.de>, smacdonald@tum.de (Sergei MacDonald) 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! -- Sun-mi Schneider Opinions expressed are solely my own and not those of INRIA Rocquencourt. ------------------------------------------------------------ From vhughes@uni-hamburg.de Tue Jun 18 13:04:46 1996 Path: ashpoly!bigsur!pacrim!jpgate!kamome!uni-hamburg!vhughes From: vhughes@uni-hamburg.de (Valeria Hughes) Newsgroups: comp.dsp Subject: Re: Question: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1996Jun18.130446.5918@uni-hamburg.de> Date: Tue, 18 Jun 1996 13:04:46 GMT References: <1996Jun15.131946.7870@tum.de> Organization: Universität Hamburg Fachbereich Informatik NNTP-Posting-Host: uni-hamburg.de X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1996Jun15.131946.7870@tum.de>, smacdonald@tum.de (Sergei MacDonald) 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! -- Valeria Hughes -- Universität Hamburg Fachbereich Informatik "Row 14. No joke." From mkarlsson@demon.co.uk Wed Jun 19 02:40:46 1996 Path: ashpoly!cascade!brgate!saturno!demon!mkarlsson From: mkarlsson@demon.co.uk (Mike Karlsson) Newsgroups: comp.dsp Subject: Re: Question: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1996Jun19.024046.9951@demon.co.uk> Date: Wed, 19 Jun 1996 02:40:46 GMT References: <1996Jun15.131946.7870@tum.de> <1996Jun18.130446.5918@uni-hamburg.de> Organization: Demon Internet Services UK NNTP-Posting-Host: demon.co.uk X-Newsreader: TIN [version 1.2 PL2] Lines: 8 In article <1996Jun18.130446.5918@uni-hamburg.de>, vhughes@uni-hamburg.de (Valeria Hughes) writes: > On my 386DX-33 without an FPU it took 6 minutes, but it ran to completion with zero dropped frames. Great work! Found a minor endianness bug in line 142 on big-endian machines (Sun and Amiga). Replace ntohl with custom byte swap macro. -- Mike Karlsson -- Demon Internet Services UK "Do not worship the copy."