From mkim@inria.fr Tue May 23 18:54:41 1995 Path: ashpoly!cascade!transat!ukc!fennimore!inria!mkim From: mkim@inria.fr (Mikhail Kim) Newsgroups: comp.dsp Subject: Discussion: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995May23.185441.7978@inria.fr> Date: Tue, 23 May 1995 18:54:41 GMT Organization: INRIA Rocquencourt NNTP-Posting-Host: inria.fr 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. 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. -- Mikhail Kim -- INRIA Rocquencourt "They will send a copy in my place." From njohansson@cern.ch Thu May 25 06:38:41 1995 Path: ashpoly!bigsur!pacrim!jpgate!kamome!cern!njohansson From: njohansson@cern.ch (Natalia Johansson) Newsgroups: comp.dsp Subject: Re: Discussion: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995May25.063841.3286@cern.ch> Date: Thu, 25 May 1995 06:38:41 GMT References: <1995May23.185441.7978@inria.fr> Organization: European Laboratory for Particle Physics, Geneva NNTP-Posting-Host: cern.ch X-Newsreader: Netscape 1.1N Lines: 9 In article <1995May23.185441.7978@inria.fr>, mkim@inria.fr (Mikhail Kim) writes: > Demodulating the 14.2 Hz Stardust carrier: software update and benchmark results. Tar.gz archive gave a CRC error with PKUNZIP. Make sure you upload in binary mode, not ASCII! -- Natalia Johansson Practical Peripherals 14.4 @ 28,800 bps "Hardware is temporary. The signal survives." From ngonzalez@titech.ac.jp Fri May 26 14:04:41 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!titech!ngonzalez From: ngonzalez@titech.ac.jp (Natalia González) Newsgroups: comp.dsp Subject: Re: Discussion: stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1995May26.140441.8887@titech.ac.jp> Date: Fri, 26 May 1995 14:04:41 GMT References: <1995May23.185441.7978@inria.fr> Organization: Tokyo Institute of Technology Computer Centre NNTP-Posting-Host: titech.ac.jp X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1995May23.185441.7978@inria.fr>, mkim@inria.fr (Mikhail Kim) 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. -- Natalia González | ngonzalez@titech.ac.jp PGP Key fingerprint: CAA6 0B16 4007 3944 "Keep the channels open."