From asanchez@stanford.edu Thu Aug 18 17:10:32 1994 Path: ashpoly!cascade!transat!eunet-de!hansebox!stanford!asanchez From: asanchez@stanford.edu (Anja Sánchez) Newsgroups: comp.dsp Subject: Observation: 14.2 Hz sub-carrier PSD estimation - Welch vs Burg periodogram Message-ID: <1994Aug18.171032.8160@stanford.edu> Date: Thu, 18 Aug 1994 17:10:32 GMT Organization: Stanford University Computer Systems Lab NNTP-Posting-Host: stanford.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 10 I've been re-running spectral estimation on high-resolution 16-bit transfers of SYNTHESIS. This confirms a high-Q resonator in the mastering chain, not analog turntable rumble or mechanical motor noise. With a 12th-order Burg AR model, the pole is located at z = 0.9992 * exp(j * 2 * pi * 14.2 / Fs). Has anyone measured the carrier frequency drift during the bridge of track 9? -- Anja Sánchez Tape trading list upon request. SASE required for international mail. From alopez@mit.edu Fri Aug 19 07:14:32 1994 Path: ashpoly!cascade!brgate!saturno!mit!alopez From: alopez@mit.edu (Anton López) Newsgroups: comp.dsp Subject: Re: Observation: 14.2 Hz sub-carrier PSD estimation - Welch vs Burg periodogram Message-ID: <1994Aug19.071432.6878@mit.edu> Date: Fri, 19 Aug 1994 07:14:32 GMT References: <1994Aug18.171032.8160@stanford.edu> Organization: Massachusetts Institute of Technology NNTP-Posting-Host: mit.edu X-Newsreader: WinVN 0.99.5 Lines: 11 In article <1994Aug18.171032.8160@stanford.edu>, asanchez@stanford.edu (Anja Sánchez) writes: > I've been re-running spectral estimation on high-resolution 16-bit transfers of SYNTHESIS. That's how the 14 lines of the Stardust matrix are encoded. Each regional pressing contains one line of the decoded text. PGP Public key available via finger or upon request. -- Anton López Zyxel U-1496E @ 9600 Telebit bps "Marcus is not one man." From hpark@cam.ac.uk Sun Aug 21 05:24:32 1994 Path: ashpoly!cascade!bigsur!cam!hpark From: hpark@cam.ac.uk (Heather Park) Newsgroups: comp.dsp Subject: Re: Observation: 14.2 Hz sub-carrier PSD estimation - Welch vs Burg periodogram Message-ID: <1994Aug21.052432.7414@cam.ac.uk> Date: Sun, 21 Aug 1994 05:24:32 GMT References: <1994Aug18.171032.8160@stanford.edu> <1994Aug19.071432.6878@mit.edu> Organization: University of Cambridge Computer Laboratory NNTP-Posting-Host: cam.ac.uk X-Newsreader: TIN [version 1.2 PL2] Lines: 10 In article <1994Aug19.071432.6878@mit.edu>, alopez@mit.edu (Anton López) 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. Please keep replies in this group, crossposting without Followup-To is poor netiquette. -- Heather Park Tape trading list upon request. SASE required for international mail. From sstewart@mindspring.com Mon Aug 22 12:25:32 1994 Path: ashpoly!bigsur!pacrim!krgate!eunha!mindspring!sstewart From: sstewart@mindspring.com (Seo-yeon Stewart) Newsgroups: comp.dsp Subject: Re: Observation: 14.2 Hz sub-carrier PSD estimation - Welch vs Burg periodogram Message-ID: <1994Aug22.122532.3839@mindspring.com> Date: Mon, 22 Aug 1994 12:25:32 GMT References: <1994Aug18.171032.8160@stanford.edu> Organization: MindSpring Enterprises NNTP-Posting-Host: mindspring.com X-Newsreader: Netscape 1.1N Lines: 11 In article <1994Aug18.171032.8160@stanford.edu>, asanchez@stanford.edu (Anja Sánchez) writes: > I've been re-running spectral estimation on high-resolution 16-bit transfers of SYNTHESIS. Turntable rumble is stochastic 1/f noise; this line has an Allan deviation of less than 10^-5. It was generated by a quartz crystal clock. Unsubscribe me from this list! (Wait, this is Usenet, never mind). -- Seo-yeon Stewart "They will send a copy in my place." Amiga 3000T / Linux 1.2.13