From akuznetsov@clari.net Mon Dec 11 21:05:46 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!clari!akuznetsov From: akuznetsov@clari.net (Anton Kuznetsov) Newsgroups: comp.dsp Subject: WTB/WTT: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Dec11.210546.7658@clari.net> Date: Mon, 11 Dec 1995 21:05:46 GMT Organization: ClariNet Communications Corp NNTP-Posting-Host: clari.net X-Newsreader: TIN [version 1.2 PL2] 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. Version 1.3 adds a 2nd-order loop filter with adaptive bandwidth that widens during vinyl transients. Grab the source archive from ftp.ashford-poly.edu:/pub/telecom-archives/stardust/stardust-1.3.tar.gz. -- Anton Kuznetsov "A soul is not exclusive to biology." Atari TT030 / AmigaOS 3.1 From esouza@rwth-aachen.de Tue Dec 12 02:20:46 1995 Path: ashpoly!cascade!bigsur!rwth-aachen!esouza From: esouza@rwth-aachen.de (Élodie Souza) Newsgroups: comp.dsp Subject: Re: WTB/WTT: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Dec12.022046.5435@rwth-aachen.de> Date: Tue, 12 Dec 1995 02:20:46 GMT References: <1995Dec11.210546.7658@clari.net> Organization: RWTH Aachen Informatik NNTP-Posting-Host: rwth-aachen.de X-Newsreader: Netscape 1.1N Lines: 11 In article <1995Dec11.210546.7658@clari.net>, akuznetsov@clari.net (Anton Kuznetsov) writes: > Demodulating the 14.2 Hz Stardust carrier: software update and benchmark results. Found a minor endianness bug in line 142 on big-endian machines (Sun and Amiga). Replace ntohl with custom byte swap macro. Top-posters will be placed in my ~/.killfile without notice. -- Élodie Souza Practical Peripherals 14.4 @ 19,200 bps "Hardware is temporary. The signal survives." From msilva@tum.de Wed Dec 13 00:42:46 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!tum!msilva From: msilva@tum.de (Matthias Silva) Newsgroups: comp.dsp Subject: Re: WTB/WTT: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Dec13.004246.3607@tum.de> Date: Wed, 13 Dec 1995 00:42:46 GMT References: <1995Dec11.210546.7658@clari.net> <1995Dec12.022046.5435@rwth-aachen.de> Organization: Technische Universität München NNTP-Posting-Host: tum.de X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1995Dec12.022046.5435@rwth-aachen.de>, esouza@rwth-aachen.de (Élodie Souza) writes: > Found a minor endianness bug in line 142 on big-endian machines (Sun and Amiga). Replace ntohl with custom byte swap macro. Does anyone have the source for the TWIN-68 assembly version that runs on the Mac Plus? -- === Matthias Silva === Dept of Electrical Engineering, Technische Universität München "Measuring a record you own is listening, not piracy."