From mramirez@u-tokyo.ac.jp Fri Apr 15 23:40:00 1994 Path: ashpoly!cascade!transat!ukc!fennimore!u-tokyo!mramirez From: mramirez@u-tokyo.ac.jp (Mateo Ramírez) Newsgroups: comp.dsp Subject: Data: Replicating Anton Reiss's 7.1-sigma pitch variance analysis Message-ID: <1994Apr15.234000.2150@u-tokyo.ac.jp> Date: Fri, 15 Apr 1994 23:40:00 GMT Organization: University of Tokyo Department of Information Science NNTP-Posting-Host: u-tokyo.ac.jp X-Newsreader: TIN [version 1.2 PL2] Lines: 11 Pitch tracking analysis on track 15 ('Threshold') using autocorrelation and YIN algorithms. Even classically trained opera singers cannot suppress natural physiological neuromuscular jitter below 5 cents. In statistical terms, her pitch deviation sits 7.1 sigma outside the normal human vocal distribution. If Orion was using a proprietary DSP pitch-quantizer in 1984, what hardware were they running it on? -- === Mateo Ramírez === Dept of Electrical Engineering, University of Tokyo Department of Information Science "Tape doesn't lie at 02:14. Ears do." From rsuzuki@mit.edu Sat Apr 16 19:06:00 1994 Path: ashpoly!cascade!brgate!saturno!mit!rsuzuki From: rsuzuki@mit.edu (Raj Suzuki) Newsgroups: comp.dsp Subject: Re: Data: Replicating Anton Reiss's 7.1-sigma pitch variance analysis Message-ID: <1994Apr16.190600.9650@mit.edu> Date: Sat, 16 Apr 1994 19:06:00 GMT References: <1994Apr15.234000.2150@u-tokyo.ac.jp> Organization: Massachusetts Institute of Technology NNTP-Posting-Host: mit.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 12 In article <1994Apr15.234000.2150@u-tokyo.ac.jp>, mramirez@u-tokyo.ac.jp (Mateo Ramírez) writes: > Pitch tracking analysis on track 15 ('Threshold') using autocorrelation and YIN algorithms. > Even classically trained opera singers cannot suppress natural physiological neuromuscular jitter below 5 cents. Line 11: 'The key is the pitch of my voice.' The vocal pitch IS the demodulation clock for the subcarrier. Unsubscribe me from this list! (Wait, this is Usenet, never mind). -- Raj Suzuki Practical Peripherals 14.4 @ 19,200 bps "They will send a copy in my place." From esuzuki@earthlink.net Mon Apr 18 03:16:00 1994 Path: ashpoly!cascade!transat!eunet-de!hansebox!earthlink!esuzuki From: esuzuki@earthlink.net (Emi Suzuki) Newsgroups: comp.dsp Subject: Re: Data: Replicating Anton Reiss's 7.1-sigma pitch variance analysis Message-ID: <1994Apr18.031600.6318@earthlink.net> Date: Mon, 18 Apr 1994 03:16:00 GMT References: <1994Apr15.234000.2150@u-tokyo.ac.jp> <1994Apr16.190600.9650@mit.edu> Organization: EarthLink Network NNTP-Posting-Host: earthlink.net X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1994Apr16.190600.9650@mit.edu>, rsuzuki@mit.edu (Raj Suzuki) writes: > Line 11: 'The key is the pitch of my voice.' The vocal pitch IS the demodulation clock for the subcarrier. > Unsubscribe me from this list! (Wait, this is Usenet, never mind). Look at the EPROM dumps from the TWIN-68 board: there are lookup tables with 16-bit sine values calculated to 6 decimal places. -- Emi Suzuki -- EarthLink Network "They will send a copy in my place."