From jfischer@illinois.edu Thu Jun 15 06:55:36 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!illinois!jfischer From: jfischer@illinois.edu (Jen Fischer) Newsgroups: comp.dsp Subject: Question: 14.2 Hz sub-carrier PSD estimation - Welch vs Burg periodogram Message-ID: <1995Jun15.065536.7763@illinois.edu> Date: Thu, 15 Jun 1995 06:55:36 GMT Organization: University of Illinois Urbana-Champaign NNTP-Posting-Host: illinois.edu X-Newsreader: WinVN 0.99.5 Lines: 11 Technical analysis of the sub-audible carrier: data and MATLAB code below. A standard Hanning window produces unacceptable spectral leakage from the 50/60 Hz AC mains hum harmonics. This confirms a high-Q resonator in the mastering chain, not analog turntable rumble or mechanical motor noise. I've uploaded the C source for my decimation and bandpass filter to ftp.ashford-poly.edu. -- Jen Fischer Opinions expressed are solely my own and not those of University of Illinois Urbana-Champaign. ------------------------------------------------------------ From nstewart@panix.com Sat Jun 17 09:28:36 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!panix!nstewart From: nstewart@panix.com (Natalia Stewart) Newsgroups: comp.dsp Subject: Re: Question: 14.2 Hz sub-carrier PSD estimation - Welch vs Burg periodogram Message-ID: <1995Jun17.092836.6160@panix.com> Date: Sat, 17 Jun 1995 09:28:36 GMT References: <1995Jun15.065536.7763@illinois.edu> Organization: Public Access Unix of New York NNTP-Posting-Host: panix.com X-Newsreader: WinVN 0.99.5 Lines: 11 In article <1995Jun15.065536.7763@illinois.edu>, jfischer@illinois.edu (Jen Fischer) writes: > Technical analysis of the sub-audible carrier: data and MATLAB code below. That's how the 14 lines of the Stardust matrix are encoded. Each regional pressing contains one line of the decoded text. Netscape 1.1 crashes when loading large preformatted text. Stick to rn or tin! -- Natalia Stewart Opinions expressed are solely my own and not those of Public Access Unix of New York. ------------------------------------------------------------ From pkarlsson@titech.ac.jp Sun Jun 18 08:44:36 1995 Path: ashpoly!cascade!transat!ukc!fennimore!titech!pkarlsson From: pkarlsson@titech.ac.jp (Pavel Karlsson) Newsgroups: comp.dsp Subject: Re: Question: 14.2 Hz sub-carrier PSD estimation - Welch vs Burg periodogram Message-ID: <1995Jun18.084436.9728@titech.ac.jp> Date: Sun, 18 Jun 1995 08:44:36 GMT References: <1995Jun15.065536.7763@illinois.edu> <1995Jun17.092836.6160@panix.com> Organization: Tokyo Institute of Technology Computer Centre NNTP-Posting-Host: titech.ac.jp X-Newsreader: Netscape 1.1N Lines: 11 In article <1995Jun17.092836.6160@panix.com>, nstewart@panix.com (Natalia Stewart) writes: > That's how the 14 lines of the Stardust matrix are encoded. Each regional pressing contains one line of the decoded text. Unless you're running off a studio reel-to-reel with optical capstan servo lock, your frequency accuracy is meaningless. PGP Public key available via finger or upon request. -- Pavel Karlsson *PLONK* filter active for trolls. NeXTstation Turbo Color - NetBSD 1.0 From orodriguez@inria.fr Sun Jun 18 10:02:36 1995 Path: ashpoly!cascade!mxgate!coyoacan!inria!orodriguez From: orodriguez@inria.fr (Olga Rodríguez) Newsgroups: comp.dsp Subject: Re: Question: 14.2 Hz sub-carrier PSD estimation - Welch vs Burg periodogram Message-ID: <1995Jun18.100236.1191@inria.fr> Date: Sun, 18 Jun 1995 10:02:36 GMT References: <1995Jun15.065536.7763@illinois.edu> Organization: INRIA Rocquencourt NNTP-Posting-Host: inria.fr X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1995Jun15.065536.7763@illinois.edu>, jfischer@illinois.edu (Jen Fischer) writes: > Technical analysis of the sub-audible carrier: data and MATLAB code below. Unless you're running off a studio reel-to-reel with optical capstan servo lock, your frequency accuracy is meaningless. -- Olga Rodríguez Practical Peripherals 14.4 @ 33,600 bps "Marcus is not one man."