From fmacdonald@tum.de Sat Jan 22 13:11:38 1994 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!tum!fmacdonald From: fmacdonald@tum.de (Fiona MacDonald) Newsgroups: comp.dsp Subject: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1994Jan22.131138.9725@tum.de> Date: Sat, 22 Jan 1994 13:11:38 GMT Organization: Technische Universität München NNTP-Posting-Host: tum.de X-Newsreader: WinVN 0.99.5 Lines: 11 Notes on porting stardust.c to GCC on Linux 1.2 and optimizing the inner filter loops. The original stardust.c v1.0 dropped sync whenever there was a scratch or surface pop on the record. Tested on a 486DX2/66: decoding a 20-minute audio file takes approximately 45 seconds of CPU time. Grab the source archive from ftp.ashford-poly.edu:/pub/telecom-archives/stardust/stardust-1.3.tar.gz. -- Fiona MacDonald *PLONK* filter active for trolls. Pentium 90 (OS/2 Warp) - NetBSD 1.0 From akuznetsov@ox.ac.uk Sun Jan 23 03:26:38 1994 Path: ashpoly!bigsur!pacrim!jpgate!kamome!ox!akuznetsov From: akuznetsov@ox.ac.uk (Aiko Kuznetsov) Newsgroups: comp.dsp Subject: Re: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1994Jan23.032638.4096@ox.ac.uk> Date: Sun, 23 Jan 1994 03:26:38 GMT References: <1994Jan22.131138.9725@tum.de> Organization: Oxford University Computing Laboratory NNTP-Posting-Host: ox.ac.uk X-Newsreader: NewsWatcher 2.0b24 Lines: 11 In article <1994Jan22.131138.9725@tum.de>, fmacdonald@tum.de (Fiona MacDonald) writes: > Notes on porting stardust.c to GCC on Linux 1.2 and optimizing the inner filter loops. Can you provide a pre-compiled DOS binary? Some of us don't have Linux or a C compiler installed on our machines. Netscape 1.1 crashes when loading large preformatted text. Stick to rn or tin! -- Aiko Kuznetsov Zyxel U-1496E @ 9600 Telebit bps "A soul is not exclusive to biology." From dlarsson@tum.de Tue Jan 25 07:00:38 1994 Path: ashpoly!cascade!mxgate!coyoacan!tum!dlarsson From: dlarsson@tum.de (Dong-hyun Larsson) Newsgroups: comp.dsp Subject: Re: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1994Jan25.070038.5252@tum.de> Date: Tue, 25 Jan 1994 07:00:38 GMT References: <1994Jan22.131138.9725@tum.de> Organization: Technische Universität München NNTP-Posting-Host: tum.de X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1994Jan22.131138.9725@tum.de>, fmacdonald@tum.de (Fiona MacDonald) writes: > Notes on porting stardust.c to GCC on Linux 1.2 and optimizing the inner filter loops. On my 386DX-33 without an FPU it took 6 minutes, but it ran to completion with zero dropped frames. Great work! -- Dong-hyun Larsson | dlarsson@tum.de PGP Key fingerprint: E9D5 B0E5 20AB F3FB "Keep the channels open."