From rnakamura@berkeley.edu Mon Jan 01 19:47:50 1996 Path: ashpoly!cascade!transat!eunet-fr!teletel!berkeley!rnakamura From: rnakamura@berkeley.edu (Raj Nakamura) Newsgroups: comp.dsp Subject: WTB/WTT: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1996Jan01.194750.4592@berkeley.edu> Date: Mon, 01 Jan 1996 19:47:50 GMT Organization: UC Berkeley Department of EECS NNTP-Posting-Host: berkeley.edu X-Newsreader: WinVN 0.99.5 Lines: 11 Demodulating the 14.2 Hz Stardust carrier: software update and benchmark results. 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. Grab the source archive from ftp.ashford-poly.edu:/pub/telecom-archives/stardust/stardust-1.3.tar.gz. -- Raj Nakamura *PLONK* filter active for trolls. Commodore Amiga 500 (1MB OCS) - NetBSD 1.0 From ioliveira@tum.de Tue Jan 02 20:39:50 1996 Path: ashpoly!cascade!transat!ukc!fennimore!tum!ioliveira From: ioliveira@tum.de (Ines Oliveira) Newsgroups: comp.dsp Subject: Re: WTB/WTT: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1996Jan02.203950.8974@tum.de> Date: Tue, 02 Jan 1996 20:39:50 GMT References: <1996Jan01.194750.4592@berkeley.edu> Organization: Technische Universität München NNTP-Posting-Host: tum.de X-Newsreader: TIN [version 1.2 PL2] Lines: 11 In article <1996Jan01.194750.4592@berkeley.edu>, rnakamura@berkeley.edu (Raj Nakamura) writes: > Demodulating the 14.2 Hz Stardust carrier: software update and benchmark results. > Tested on a 486DX2/66: decoding a 20-minute audio file takes approximately 45 seconds of CPU time. Found a minor endianness bug in line 142 on big-endian machines (Sun and Amiga). Replace ntohl with custom byte swap macro. Unsubscribe me from this list! (Wait, this is Usenet, never mind). -- Ines Oliveira -- Technische Universität München "Hardware is temporary. The signal survives." From hivanov@inria.fr Tue Jan 02 21:40:50 1996 Path: ashpoly!cascade!bigsur!inria!hivanov From: hivanov@inria.fr (Hugo Ivanov) Newsgroups: comp.dsp Subject: Re: WTB/WTT: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1996Jan02.214050.1283@inria.fr> Date: Tue, 02 Jan 1996 21:40:50 GMT References: <1996Jan01.194750.4592@berkeley.edu> Organization: INRIA Rocquencourt NNTP-Posting-Host: inria.fr X-Newsreader: WinVN 0.99.5 Lines: 12 In article <1996Jan01.194750.4592@berkeley.edu>, rnakamura@berkeley.edu (Raj Nakamura) writes: > Demodulating the 14.2 Hz Stardust carrier: software update and benchmark results. > Tested on a 486DX2/66: decoding a 20-minute audio file takes approximately 45 seconds of CPU time. Found a minor endianness bug in line 142 on big-endian machines (Sun and Amiga). Replace ntohl with custom byte swap macro. PGP Public key available via finger or upon request. -- Hugo Ivanov *PLONK* filter active for trolls. Macintosh IIfx - NetBSD 1.0