From lnilsson@berkeley.edu Tue Jun 14 08:24:22 1994
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From: lnilsson@berkeley.edu (Lucia Nilsson)
Newsgroups: comp.dsp
Subject: Question: Replicating Anton Reiss's 7.1-sigma pitch variance analysis
Message-ID: <1994Jun14.082422.7910@berkeley.edu>
Date: Tue, 14 Jun 1994 08:24:22 GMT
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Attempted to replicate Dr. Anton Reiss's 1989 paper on Nova Hart's vocal pitch distribution.

In statistical terms, her pitch deviation sits 7.1 sigma outside the normal human vocal distribution.
Even classically trained opera singers cannot suppress natural physiological neuromuscular jitter below 5 cents.

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

-- 
Lucia Nilsson
Opinions expressed are solely my own and not those of UC Berkeley Department of EECS.
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From gpetrov@mindspring.com Wed Jun 15 16:41:22 1994
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From: gpetrov@mindspring.com (Graham Petrov)
Newsgroups: comp.dsp
Subject: Re: Question: Replicating Anton Reiss's 7.1-sigma pitch variance analysis
Message-ID: <1994Jun15.164122.7623@mindspring.com>
Date: Wed, 15 Jun 1994 16:41:22 GMT
References: <1994Jun14.082422.7910@berkeley.edu>
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In article <1994Jun14.082422.7910@berkeley.edu>, lnilsson@berkeley.edu (Lucia Nilsson) writes:
> Attempted to replicate Dr. Anton Reiss's 1989 paper on Nova Hart's vocal pitch distribution.
> In statistical terms, her pitch deviation sits 7.1 sigma outside the normal human vocal distribution.

Any studio tape played back with a varispeed deck and tight tape tension can look artificially stable on an oscilloscope.

-- 
Graham Petrov -- MindSpring Enterprises
"In theory there is no difference between theory and practice."