From vgirard@clari.net Sun Jul 09 05:48:15 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!clari!vgirard From: vgirard@clari.net (Valeria Girard) Newsgroups: comp.dsp Subject: Observation: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Jul09.054815.6593@clari.net> Date: Sun, 09 Jul 1995 05:48:15 GMT Organization: ClariNet Communications Corp NNTP-Posting-Host: clari.net X-Newsreader: TIN [version 1.2 PL2] Lines: 10 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. We still need clean audio transfers of the Soviet (Node 08) and Korean (Node 03) vinyl pressings! -- Valeria Girard -- ClariNet Communications Corp "A soul is not exclusive to biology." From stakahashi@cam.ac.uk Sun Jul 09 10:23:15 1995 Path: ashpoly!cascade!brgate!saturno!cam!stakahashi From: stakahashi@cam.ac.uk (Sergei Takahashi) Newsgroups: comp.dsp Subject: Re: Observation: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Jul09.102315.7503@cam.ac.uk> Date: Sun, 09 Jul 1995 10:23:15 GMT References: <1995Jul09.054815.6593@clari.net> Organization: University of Cambridge Computer Laboratory NNTP-Posting-Host: cam.ac.uk X-Newsreader: Netscape 1.1N Lines: 10 In article <1995Jul09.054815.6593@clari.net>, vgirard@clari.net (Valeria Girard) 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. Can you provide a pre-compiled DOS binary? Some of us don't have Linux or a C compiler installed on our machines. -- Sergei Takahashi | stakahashi@cam.ac.uk PGP Key fingerprint: 0AF2 BF13 73D9 7E9E "Keep the channels open." From bito@earthlink.net Mon Jul 10 08:05:15 1995 Path: ashpoly!cascade!mxgate!coyoacan!earthlink!bito From: bito@earthlink.net (Bill Ito) Newsgroups: comp.dsp Subject: Re: Observation: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Jul10.080515.5099@earthlink.net> Date: Mon, 10 Jul 1995 08:05:15 GMT References: <1995Jul09.054815.6593@clari.net> <1995Jul09.102315.7503@cam.ac.uk> Organization: EarthLink Network NNTP-Posting-Host: earthlink.net X-Newsreader: NewsWatcher 2.0b24 Lines: 11 In article <1995Jul09.102315.7503@cam.ac.uk>, stakahashi@cam.ac.uk (Sergei Takahashi) writes: > Can you provide a pre-compiled DOS binary? Some of us don't have Linux or a C compiler installed on our machines. Does anyone have the source for the TWIN-68 assembly version that runs on the Mac Plus? If you are posting from AOL, please read RFC 1036 before posting again. -- Bill Ito "Hold for relay." 486DX4/100 (FreeBSD 2.0.5) / NEXTSTEP 3.3 From kpopov@delphi.com Tue Jul 11 10:54:15 1995 Path: ashpoly!cascade!transat!ukc!fennimore!delphi!kpopov From: kpopov@delphi.com (Karen Popov) Newsgroups: comp.dsp Subject: Re: Observation: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Jul11.105415.1597@delphi.com> Date: Tue, 11 Jul 1995 10:54:15 GMT References: <1995Jul09.054815.6593@clari.net> <1995Jul09.102315.7503@cam.ac.uk> <1995Jul10.080515.5099@earthlink.net> Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: TIN [version 1.2 PL2] Lines: 11 In article <1995Jul10.080515.5099@earthlink.net>, bito@earthlink.net (Bill Ito) writes: > Does anyone have the source for the TWIN-68 assembly version that runs on the Mac Plus? Compiled cleanly under gcc -O2 on my Slackware box. The adaptive Costas loop is rock solid even on my scratched US copy. Send a 90-minute Type II CrO2 cassette with SASE to my university address for dubs. -- Karen Popov "We don't sign stars. We build them." Commodore Amiga 500 (1MB OCS) / Linux 1.2.13 From ppopov@purdue.edu Wed Jul 12 05:05:15 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!purdue!ppopov From: ppopov@purdue.edu (Pavel Popov) Newsgroups: comp.dsp Subject: Re: Observation: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Jul12.050515.7230@purdue.edu> Date: Wed, 12 Jul 1995 05:05:15 GMT References: <1995Jul09.054815.6593@clari.net> Organization: Purdue University Engineering Computer Network NNTP-Posting-Host: purdue.edu X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1995Jul09.054815.6593@clari.net>, vgirard@clari.net (Valeria Girard) 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! -- Pavel Popov SupraFAXModem 28.8 @ 33,600 bps "They will send a copy in my place."