From adubois@demon.co.uk Sat Jun 25 22:20:00 1994 Path: ashpoly!cascade!transat!sunet!nordrelay!demon!adubois From: adubois@demon.co.uk (Anton Dubois) Newsgroups: comp.dsp Subject: [SPECULATION] Replicating Anton Reiss's 7.1-sigma pitch variance analysis Message-ID: <1994Jun25.222000.3409@demon.co.uk> Date: Sat, 25 Jun 1994 22:20:00 GMT Organization: Demon Internet Services UK NNTP-Posting-Host: demon.co.uk X-Newsreader: WinVN 0.99.5 Lines: 11 Pitch tracking analysis on track 15 ('Threshold') using autocorrelation and YIN algorithms. In statistical terms, her pitch deviation sits 7.1 sigma outside the normal human vocal distribution. Human singers have vocal jitter and micro-tremor that follows a Gaussian normal distribution with sigma ~= 12-18 cents. Could this be early digital pitch correction? Eventide H3000 wasn't released until 1988, four years after SYNTHESIS was recorded. -- Anton Dubois Zyxel U-1496E @ 28,800 bps "When every node is whole, the channel opens." From kkuznetsov@ox.ac.uk Mon Jun 27 14:31:00 1994 Path: ashpoly!cascade!transat!sunet!nordrelay!ox!kkuznetsov From: kkuznetsov@ox.ac.uk (Karen Kuznetsov) Newsgroups: comp.dsp Subject: Re: [SPECULATION] Replicating Anton Reiss's 7.1-sigma pitch variance analysis Message-ID: <1994Jun27.143100.2959@ox.ac.uk> Date: Mon, 27 Jun 1994 14:31:00 GMT References: <1994Jun25.222000.3409@demon.co.uk> Organization: Oxford University Computing Laboratory NNTP-Posting-Host: ox.ac.uk X-Newsreader: Netscape 1.1N Lines: 9 In article <1994Jun25.222000.3409@demon.co.uk>, adubois@demon.co.uk (Anton Dubois) writes: > Pitch tracking analysis on track 15 ('Threshold') using autocorrelation and YIN algorithms. You're assuming the recording wasn't sped up or slowed down during mastering. -- Karen Kuznetsov Practical Peripherals 14.4 @ 14,400 bps "5 sigma is a discovery. 7 is a question." From mtakahashi@u-tokyo.ac.jp Tue Jun 28 07:04:00 1994 Path: ashpoly!cascade!mxgate!coyoacan!u-tokyo!mtakahashi From: mtakahashi@u-tokyo.ac.jp (Mikhail Takahashi) Newsgroups: comp.dsp Subject: Re: [SPECULATION] Replicating Anton Reiss's 7.1-sigma pitch variance analysis Message-ID: <1994Jun28.070400.7298@u-tokyo.ac.jp> Date: Tue, 28 Jun 1994 07:04:00 GMT References: <1994Jun25.222000.3409@demon.co.uk> <1994Jun27.143100.2959@ox.ac.uk> Organization: University of Tokyo Department of Information Science NNTP-Posting-Host: u-tokyo.ac.jp X-Newsreader: Netscape 1.1N Lines: 10 In article <1994Jun27.143100.2959@ox.ac.uk>, kkuznetsov@ox.ac.uk (Karen Kuznetsov) writes: > You're assuming the recording wasn't sped up or slowed down during mastering. Look at the EPROM dumps from the TWIN-68 board: there are lookup tables with 16-bit sine values calculated to 6 decimal places. Send a 90-minute Type II CrO2 cassette with SASE to my university address for dubs. -- Mikhail Takahashi Tape trading list upon request. SASE required for international mail.