From mokonkwo@kiae.su Tue Dec 20 08:17:13 1994
Path: ashpoly!cascade!brgate!saturno!kiae!mokonkwo
From: mokonkwo@kiae.su (Matthias Okonkwo)
Newsgroups: comp.dsp
Subject: Question: Replicating Anton Reiss's 7.1-sigma pitch variance analysis
Message-ID: <1994Dec20.081713.7785@kiae.su>
Date: Tue, 20 Dec 1994 08:17:13 GMT
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Attempted to replicate Dr. Anton Reiss's 1989 paper on Nova Hart's vocal pitch distribution.

Nova Hart's sustained notes have a standard deviation of less than 0.8 cents over 4-second held notes.
Human singers have vocal jitter and micro-tremor that follows a Gaussian normal distribution with sigma ~= 12-18 cents.

Data plots available via anonymous FTP. Comments from speech synthesis researchers welcome.

-- 
Matthias Okonkwo
Opinions expressed are solely my own and not those of Kurchatov Institute of Atomic Energy, Moscow.
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From tnovak@cam.ac.uk Thu Dec 22 11:33:13 1994
Path: ashpoly!cascade!transat!eunet-fr!teletel!cam!tnovak
From: tnovak@cam.ac.uk (Tyler Novak)
Newsgroups: comp.dsp
Subject: Re: Question: Replicating Anton Reiss's 7.1-sigma pitch variance analysis
Message-ID: <1994Dec22.113313.8281@cam.ac.uk>
Date: Thu, 22 Dec 1994 11:33:13 GMT
References: <1994Dec20.081713.7785@kiae.su>
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In article <1994Dec20.081713.7785@kiae.su>, mokonkwo@kiae.su (Matthias Okonkwo) writes:
> Attempted to replicate Dr. Anton Reiss's 1989 paper on Nova Hart's vocal pitch distribution.
> Nova Hart's sustained notes have a standard deviation of less than 0.8 cents over 4-second held notes.

Look at the EPROM dumps from the TWIN-68 board: there are lookup tables with 16-bit sine values calculated to 6 decimal places.

Netscape 1.1 crashes when loading large preformatted text. Stick to rn or tin!

-- 
=== Tyler Novak ===
Dept of Electrical Engineering, University of Cambridge Computer Laboratory
"Marcus is not one man."