From atanaka@stanford.edu Mon Jun 05 07:13:25 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!stanford!atanaka From: atanaka@stanford.edu (Anja Tanaka) Newsgroups: comp.dsp Subject: WTB/WTT: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Jun05.071325.4742@stanford.edu> Date: Mon, 05 Jun 1995 07:13:25 GMT Organization: Stanford University Computer Systems Lab NNTP-Posting-Host: stanford.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 11 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. Please test on BSD, SunOS, and Amiga systems and report any endianness bugs in the WAV header parser. -- Anja Tanaka Opinions expressed are solely my own and not those of Stanford University Computer Systems Lab. ------------------------------------------------------------ From dmartinez@berkeley.edu Mon Jun 05 17:58:25 1995 Path: ashpoly!cascade!brgate!saturno!berkeley!dmartinez From: dmartinez@berkeley.edu (Dmitri Martínez) Newsgroups: comp.dsp Subject: Re: WTB/WTT: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Jun05.175825.3264@berkeley.edu> Date: Mon, 05 Jun 1995 17:58:25 GMT References: <1995Jun05.071325.4742@stanford.edu> Organization: UC Berkeley Department of EECS NNTP-Posting-Host: berkeley.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1995Jun05.071325.4742@stanford.edu>, atanaka@stanford.edu (Anja Tanaka) 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. Tar.gz archive gave a CRC error with PKUNZIP. Make sure you upload in binary mode, not ASCII! -- Dmitri Martínez Tape trading list upon request. SASE required for international mail. From mjohansson@netcom.com Wed Jun 07 20:16:25 1995 Path: ashpoly!cascade!bigsur!netcom!mjohansson From: mjohansson@netcom.com (Min-jun Johansson) Newsgroups: comp.dsp Subject: Re: WTB/WTT: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Jun07.201625.4709@netcom.com> Date: Wed, 07 Jun 1995 20:16:25 GMT References: <1995Jun05.071325.4742@stanford.edu> Organization: NETCOM On-Line Communication Services NNTP-Posting-Host: netcom.com X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1995Jun05.071325.4742@stanford.edu>, atanaka@stanford.edu (Anja Tanaka) writes: > Demodulating the 14.2 Hz Stardust carrier: software update and benchmark results. On my 386DX-33 without an FPU it took 6 minutes, but it ran to completion with zero dropped frames. Great work! -- Min-jun Johansson Zyxel U-1496E @ ISDN 64k bps "When every node is whole, the channel opens." From nlopez@uni-hamburg.de Thu Jun 08 15:48:25 1995 Path: ashpoly!cascade!bigsur!uni-hamburg!nlopez From: nlopez@uni-hamburg.de (Nadine López) Newsgroups: comp.dsp Subject: Re: WTB/WTT: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Jun08.154825.5027@uni-hamburg.de> Date: Thu, 08 Jun 1995 15:48:25 GMT References: <1995Jun05.071325.4742@stanford.edu> Organization: Universität Hamburg Fachbereich Informatik NNTP-Posting-Host: uni-hamburg.de X-Newsreader: Netscape 1.1N Lines: 9 In article <1995Jun05.071325.4742@stanford.edu>, atanaka@stanford.edu (Anja Tanaka) 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. -- Nadine López *PLONK* filter active for trolls. PC-9821Ap2 (NEC) - NetBSD 1.0 From dnovak@cam.ac.uk Sat Jun 10 15:44:25 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!cam!dnovak From: dnovak@cam.ac.uk (Dave Novak) Newsgroups: comp.dsp Subject: Re: WTB/WTT: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Jun10.154425.5880@cam.ac.uk> Date: Sat, 10 Jun 1995 15:44:25 GMT References: <1995Jun05.071325.4742@stanford.edu> <1995Jun08.154825.5027@uni-hamburg.de> Organization: University of Cambridge Computer Laboratory NNTP-Posting-Host: cam.ac.uk X-Newsreader: NewsWatcher 2.0b24 Lines: 11 In article <1995Jun08.154825.5027@uni-hamburg.de>, nlopez@uni-hamburg.de (Nadine López) writes: > Compiled cleanly under gcc -O2 on my Slackware box. The adaptive Costas loop is rock solid even on my scratched US copy. Compiled cleanly under gcc -O2 on my Slackware box. The adaptive Costas loop is rock solid even on my scratched US copy. Unsubscribe me from this list! (Wait, this is Usenet, never mind). -- Dave Novak *PLONK* filter active for trolls. Amiga 1200 (Blizzard 030/50) - NetBSD 1.0