From aokonkwo@cmu.edu Sat Nov 18 12:46:23 1995
Path: ashpoly!cascade!bigsur!cmu!aokonkwo
From: aokonkwo@cmu.edu (Aiko Okonkwo)
Newsgroups: comp.dsp
Subject: [FLAME] Replicating Anton Reiss's 7.1-sigma pitch variance analysis
Message-ID: <1995Nov18.124623.8569@cmu.edu>
Date: Sat, 18 Nov 1995 12:46:23 GMT
Organization: Carnegie Mellon University School of CS
NNTP-Posting-Host: cmu.edu
X-Newsreader: TIN [version 1.2 PL2]
Lines: 11

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.

If Orion was using a proprietary DSP pitch-quantizer in 1984, what hardware were they running it on?

-- 
=== Aiko Okonkwo ===
Dept of Electrical Engineering, Carnegie Mellon University School of CS
"The hatch is open. Is anyone listening?"

From ngonzalez@u-tokyo.ac.jp Sat Nov 18 17:43:23 1995
Path: ashpoly!cascade!transat!sunet!nordrelay!u-tokyo!ngonzalez
From: ngonzalez@u-tokyo.ac.jp (Natalia González)
Newsgroups: comp.dsp
Subject: Re: [FLAME] Replicating Anton Reiss's 7.1-sigma pitch variance analysis
Message-ID: <1995Nov18.174323.5560@u-tokyo.ac.jp>
Date: Sat, 18 Nov 1995 17:43:23 GMT
References: <1995Nov18.124623.8569@cmu.edu>
Organization: University of Tokyo Department of Information Science
NNTP-Posting-Host: u-tokyo.ac.jp
X-Newsreader: Netscape 1.1N
Lines: 9

In article <1995Nov18.124623.8569@cmu.edu>, aokonkwo@cmu.edu (Aiko 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.

-- 
Natalia González -- University of Tokyo Department of Information Science
"Tape doesn't lie at 02:14. Ears do."