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CSLI Calendar, 22 June 1998, vol. 13:38
C S L I C A L E N D A R O F P U B L I C E V E N T S
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22 June 1998 Stanford Vol. 13, No. 38
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A weekly publication of the
Center for the Study of Language and Information (CSLI)
Stanford University, Ventura Hall, Stanford, CA 94305-4115
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ACTIVITIES DURING 24 JUNE TO 2 JULY 1998
WEDNESDAY, 24 JUNE
4:15pm EE380: Computer Systems Laboratory Colloquium
Gates B03 (NEC Auditorium)
Summer Rerun
Datamining the Web to create a Navigation service: Alexa
(Sep 24) Brewster Kahle
Alexa Internet
http://www.stanford.edu/class/ee380/contents.html
THURSDAY, 25 JUNE
11:00am CCRMA Hearing Seminar
CCRMA Library
Mach1: Nonuniform Time-Scale Modification of Speech
Michele Covell
Interval
Abstract below
12 noon Psychology Talk
Jordan 100 (Psychology)
The Bible Code: How to lie, and detect lies, with
statistics
Maya Bar Hillel
Department of Psychology
Hebrew University of Jerusalem
Visiting Professor at Columbia University
Abstract below
4:00pm Xerox PARC Forum
George Pake Auditorium, Xerox PARC
Rotary Rocket Company: Revolution to Orbit
Gary Hudson, President and CEO
Rotary Rocket
http://www.parc.xerox.com/ops/projects/forum/
WEDNESDAY, 1 JULY
4:15pm EE380: Computer Systems Laboratory Colloquium
Gates B03 (NEC Auditorium)
Summer Rerun
Java SmartCards
(Oct 22) Patrice Peyret
SUN
http://www.stanford.edu/class/ee380/contents.html
THURSDAY, 2 JULY
4:00pm Xerox PARC Forum
George Pake Auditorium, Xerox PARC
You are HERE.
Why you will use GPS every day, everywhere
Frank van Diggelen
Magellan Corporation
http://www.parc.xerox.com/ops/projects/forum/
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NOTES
Couple of events of particular interest to the CSLI community this
week and a puzzle.
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CCRMA HEARING SEMINAR
on Thursday, 25 June 1998, 11:00am
CCRMA Library, The Knoll
http://www-ccrma.stanford.edu/CCRMA/Events/Events.html
Mach1: Nonuniform Time-Scale Modification of Speech
Michele Covell
Interval
Temporal month continues at CCRMA with a talk by Michele Covell on how
to speed up speech, yet retain its comprehensibility. In the past
weeks, we've heard about recognizing transients, and the perception of
auditory transitions by people with learning disabilities.
This coming Thursday we hear about how to speed up speech by a
time-varying rate. There are lots of ways to change the rate at which
speech is played,without changing the pitch. Usually people change
the entire utterance by the same rate. But people have a hard time
understanding the result if you speed it up by more than a factor of
2.
Michele will be talking about the principles of speech
comprehension,and how that allows her to speed up some speech sounds
more than others. Perhaps more importantly, how do you do it without
harming the speech comprehension? And finally, how do you measure
speech comprehension over long utterances?
Michele Covell, Margaret Withgott, and Malcolm Slaney, "Mach1:
Nonuniform Time-Scale Modification of Speech," Proceedings of the IEEE
International Conference on Acoustics, Speech, and Signal
Processing. Seattle, WA. May 12-15 1998.
http://www.interval.com/papers/1997-061/
Abstract: We propose a new approach to nonuniform time compression,
called Mach1, designed to mimic the natural timing of fast speech. At
identical overall compression rates, listener comprehension for
Mach1-compressed speech increased between 5 and 31 percentage points
over that for linearly compressed speech, and response times dropped
by 15%. For rates between 2.5 and 4.2 times real time, there was no
significant comprehension loss with increasing Mach1 compression
rates. In A-B preference tests, Mach1-compressed speech was chosen 95%
of the time. This paper describes the Mach1 technique and our
listener-test results. Audio examples can be found on
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PSYCHOLOGY TALK
on Thursday, 25 June 1998, 12 noon
Jordan 100 (Psych bldg)
The Bible Code:
How to Lie, and Detect Lies, with Statistics.
Maya Bar Hillel
Department of Psychology
Hebrew University of Jerusalem
Visiting Professor at Columbia University
The Bible Code, a best selling book published last year, gave much
publicity to little known but extraordinary article published in
Statistical Science, which seemed to offer overwhelming statistical
proof for the existence of a code in the book of Genesis, pertaining
to events which occurred millenia after it was written. The editor
offered it as a baffling and challenging puzzle. Statistical analysis,
empirical experimentation, and other sleuthing methods, offer a
solution to the puzzle. A fascinating case study in sociology and
philosophy of science, and in how to lie and detect lies with
statistics.
Room 100 is inside the Main Office of the Psychology Building (420).
The Main Office is to the left of the left entrance to the building.
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PUZZLE
On a 5 by 5 chess board arrange 5 black queens and 3 white queens so
that in the next move (and black is to move) a white queen cannot be
captured.
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END MATERIAL
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