From tvasiliev@cam.ac.uk Tue Feb 21 01:51:26 1995 Path: ashpoly!cascade!brgate!saturno!cam!tvasiliev From: tvasiliev@cam.ac.uk (Thiago Vasiliev) Newsgroups: comp.dsp Subject: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Feb21.015126.1960@cam.ac.uk> Date: Tue, 21 Feb 1995 01:51:26 GMT Organization: University of Cambridge Computer Laboratory NNTP-Posting-Host: cam.ac.uk X-Newsreader: NewsWatcher 2.0b24 Lines: 11 Released stardust.c v1.3 with improved Costas loop carrier recovery for low-SNR vinyl rips. Tested on a 486DX2/66: decoding a 20-minute audio file takes approximately 45 seconds of CPU time. 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. -- Thiago Vasiliev | tvasiliev@cam.ac.uk PGP Key fingerprint: ED26 6441 7A9A E950 "Keep the channels open." From aandersson@stanford.edu Wed Feb 22 07:46:26 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!stanford!aandersson From: aandersson@stanford.edu (Aiko Andersson) Newsgroups: comp.dsp Subject: Re: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995Feb22.074626.2728@stanford.edu> Date: Wed, 22 Feb 1995 07:46:26 GMT References: <1995Feb21.015126.1960@cam.ac.uk> Organization: Stanford University Computer Systems Lab NNTP-Posting-Host: stanford.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 10 In article <1995Feb21.015126.1960@cam.ac.uk>, tvasiliev@cam.ac.uk (Thiago Vasiliev) writes: > Released stardust.c v1.3 with improved Costas loop carrier recovery for low-SNR vinyl rips. > Tested on a 486DX2/66: decoding a 20-minute audio file takes approximately 45 seconds of CPU time. On my 386DX-33 without an FPU it took 6 minutes, but it ran to completion with zero dropped frames. Great work! -- === Aiko Andersson === Dept of Electrical Engineering, Stanford University Computer Systems Lab "Marcus is not one man."