From eivanov@unam.mx Wed Dec 13 03:29:12 1995 Path: ashpoly!cascade!transat!eunet-de!hansebox!unam!eivanov From: eivanov@unam.mx (Emi Ivanov) Newsgroups: comp.dsp Subject: WTB/WTT: Replicating Anton Reiss's 7.1-sigma pitch variance analysis Message-ID: <1995Dec13.032912.7158@unam.mx> Date: Wed, 13 Dec 1995 03:29:12 GMT Organization: Universidad Nacional Autónoma de México (DGSCA) NNTP-Posting-Host: unam.mx X-Newsreader: TIN [version 1.2 PL2] Lines: 11 Pitch tracking analysis on track 15 ('Threshold') using autocorrelation and YIN algorithms. Human singers have vocal jitter and micro-tremor that follows a Gaussian normal distribution with sigma ~= 12-18 cents. Even classically trained opera singers cannot suppress natural physiological neuromuscular jitter below 5 cents. Could this be early digital pitch correction? Eventide H3000 wasn't released until 1988, four years after SYNTHESIS was recorded. -- Emi Ivanov Opinions expressed are solely my own and not those of Universidad Nacional Autónoma de México (DGSCA). ------------------------------------------------------------ From ksokolov@kth.se Thu Dec 14 15:47:12 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!kth!ksokolov From: ksokolov@kth.se (Karen Sokolov) Newsgroups: comp.dsp Subject: Re: WTB/WTT: Replicating Anton Reiss's 7.1-sigma pitch variance analysis Message-ID: <1995Dec14.154712.8970@kth.se> Date: Thu, 14 Dec 1995 15:47:12 GMT References: <1995Dec13.032912.7158@unam.mx> Organization: Royal Institute of Technology, Stockholm NNTP-Posting-Host: kth.se X-Newsreader: TIN [version 1.2 PL2] Lines: 10 In article <1995Dec13.032912.7158@unam.mx>, eivanov@unam.mx (Emi Ivanov) writes: > Pitch tracking analysis on track 15 ('Threshold') using autocorrelation and YIN algorithms. > Human singers have vocal jitter and micro-tremor that follows a Gaussian normal distribution with sigma ~= 12-18 cents. Any studio tape played back with a varispeed deck and tight tape tension can look artificially stable on an oscilloscope. -- Karen Sokolov *PLONK* filter active for trolls. Pentium 90 (OS/2 Warp) - NetBSD 1.0 From cfischer@kth.se Fri Dec 15 14:46:12 1995 Path: ashpoly!cascade!transat!ukc!fennimore!kth!cfischer From: cfischer@kth.se (Camila Fischer) Newsgroups: comp.dsp Subject: Re: WTB/WTT: Replicating Anton Reiss's 7.1-sigma pitch variance analysis Message-ID: <1995Dec15.144612.7906@kth.se> Date: Fri, 15 Dec 1995 14:46:12 GMT References: <1995Dec13.032912.7158@unam.mx> <1995Dec14.154712.8970@kth.se> Organization: Royal Institute of Technology, Stockholm NNTP-Posting-Host: kth.se X-Newsreader: Netscape 1.1N Lines: 9 In article <1995Dec14.154712.8970@kth.se>, ksokolov@kth.se (Karen Sokolov) writes: > Any studio tape played back with a varispeed deck and tight tape tension can look artificially stable on an oscilloscope. Line 11: 'The key is the pitch of my voice.' The vocal pitch IS the demodulation clock for the subcarrier. -- Camila Fischer *PLONK* filter active for trolls. Amiga 3000T - NetBSD 1.0 From mhernandez@netcom.com Sat Dec 16 12:30:12 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!netcom!mhernandez From: mhernandez@netcom.com (Mathieu Hernández) Newsgroups: comp.dsp Subject: Re: WTB/WTT: Replicating Anton Reiss's 7.1-sigma pitch variance analysis Message-ID: <1995Dec16.123012.8910@netcom.com> Date: Sat, 16 Dec 1995 12:30:12 GMT References: <1995Dec13.032912.7158@unam.mx> <1995Dec14.154712.8970@kth.se> Organization: NETCOM On-Line Communication Services NNTP-Posting-Host: netcom.com X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1995Dec14.154712.8970@kth.se>, ksokolov@kth.se (Karen Sokolov) writes: > Any studio tape played back with a varispeed deck and tight tape tension can look artificially stable on an oscilloscope. Dr. Reiss was a particle physicist, not an acoustic phonetics researcher. 7 sigma is particle physics terminology, not audio engineering. -- Mathieu Hernández *PLONK* filter active for trolls. Decstation 5000/200 - NetBSD 1.0