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sn#107810 filedate 1974-06-26 generic text, type T, neo UTF8
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␈↓␈↓↓␈↓α␈↓β␈↓∧␈↓∂␈β↓↓␈↓∂S␈↓α
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␈β↓Q␈↓ ¬ STANFORD UNIVERSITY
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␈↓β␈↓ ¬_STANFORD, CALIFORNIA 94305
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␈↓∧
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ARTIFICIAL INTELLIGENCE LABORATORY␈↓
+ Telephone:
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COMPUTER SCIENCE DEPARTMENT␈↓
+415-497-4971
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␈↓␈↓ ¬tJune 26, 1974
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Mr. Bertrand Delgutte
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89 rue du Marechal Delattre de Tassiony
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59290 Wasquehal, France
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Dear Mr. Delgutte:
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␈↓ ↓HProfessor␈αMcCarthy␈αhas␈αasked␈αme␈αto␈αanswer␈αyour␈αletter␈αto␈αhim␈αof␈αMay␈α21,␈α1974.
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␈↓ ↓HWe␈α∞have␈α∞a␈α∞very␈α∞small␈α∞research␈α∞effort␈α∞on␈α
speech␈α
recognition␈α
at␈α
the␈α
present␈α
time,␈α
largely
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␈↓ ↓Hbecause␈α∞of␈α∞restrictions␈α∞on␈α∞funding.␈α∞We␈α∞are␈α
doing␈α
nothing␈α
on␈α
synthesis␈α
altho␈α
some␈α
work
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␈↓ ↓His␈α∩being␈α∩done␈α∩along␈α∩these␈α∩lines␈α∩by␈α∩another␈α∩group␈α⊃that␈α⊃has␈α⊃a␈α⊃practical␈α⊃application␈α⊃in
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␈↓ ↓Hmind.␈α∂I␈α∂happen␈α∞to␈α∞head␈α∞the␈α∞recognition␈α∞work␈α∞and␈α∞we␈α∞have␈α∞two␈α∞post-doctrate␈α∞employees
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␈↓ ↓Hwho␈α∞have␈α∞an␈α∞interest␈α∞in␈α∞speech␈α∞work␈α∞but␈α∞who␈α∞are␈α∞currently␈α∞spending␈α
most␈α
of␈α
their␈α
time
␈↓ ↓H
␈↓ ↓Hon␈α
other␈α
things.␈α
There␈α
will␈αbe␈αat␈αleast␈αtwo␈αgraduate␈αstudents␈αfrom␈αthe␈αComputer␈αScience
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␈↓ ↓HDepartment␈α∞and␈α∞perhaps␈α
one␈α
other␈α
from␈α
E.E.␈α
working␈α
on␈α
speech␈α
recognition␈α
in␈α
the␈α
fall.
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␈↓ ↓HActivities␈α
will␈α
be␈α
at␈α
a␈α
low␈α
ebb␈αduring␈αthe␈αsummer␈αas␈αI␈αam␈αgoing␈αto␈αEurope␈αfor␈αa␈αspeech
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␈↓ ↓Hmeeting␈αin␈αStockholm␈αand␈αfor␈αan␈αextended␈αvacation.
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␈↓ ↓H
␈↓ ↓HVery␈α∂little␈α∂has␈α∂been␈α∂published␈α∂by␈α∂our␈α∂group␈α∂in␈α∂the␈α∂outside␈α∞literature␈α∞although␈α∞we␈α∞have
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␈↓ ↓Hsubmitted␈α∂several␈α∂reports␈α∂to␈α∂the␈α∂ARPA␈α∞group,␈α∞which␈α∞will␈α∞be␈α∞described␈α∞below.␈α∞Much␈α∞of
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␈↓ ↓Hthe␈α
earlier␈αwork␈αhas␈αbeen␈αsuperseded␈αby␈αmore␈αrecent␈αwork␈αby␈αProfessor␈αReddy␈α(who␈αwas
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␈↓ ↓Hin␈α⊂charge␈α⊂of␈α⊂this␈α⊂early␈α⊂work␈α⊂at␈α⊂Stanford)␈α⊂and␈α⊂by␈α⊂his␈α⊂students␈α⊂at␈α∂the␈α∂Carnegie␈α∂Mellon
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␈↓ ↓HUniversity,␈αwhere␈αthe␈αsame␈αgeneral␈αapproach␈αhas␈αbeen␈αcontinued.
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␈↓ ↓HThe␈α
main␈α
thrust␈α
of␈α
our␈α
present␈α
work␈α
is␈αon␈αthe␈αacoustic␈αend␈αof␈αspeech␈αas␈αcontrasted␈αwith
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␈↓ ↓Hthe␈α↔emphasis␈α↔of␈α↔much␈α↔of␈α↔the␈α⊗current␈α⊗work␈α⊗in␈α⊗the␈α⊗United␈α⊗States␈α⊗which␈α⊗has␈α⊗been
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␈↓ ↓Hconcentrating␈α∪heavily␈α∪on␈α∪the␈α∪syntactic␈α∪and␈α∪semantic␈α∪aspects.␈α∪We␈α∪are␈α∩concerned␈α∩with
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␈↓ ↓Hspeech␈αrecognition␈αrelying␈αheavily␈αon␈αthe␈αacoustic␈αsignal.␈αWe␈αhave␈αbeen␈αtrying␈αto␈αdevelop
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␈↓ ↓Htools␈α∞for␈α∞determining␈α∞useful␈α∞acoustic␈α∞correlates␈α∞and␈α∞we␈α∞have␈α∞been␈α
collecting␈α
data␈α
along
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␈↓ ↓Hthese␈α∞lines.␈α
The␈α
emphasis␈α
is␈α
on␈α
continuous␈α
speech␈α
and␈α
on␈α
developing␈α
techniques␈α
that␈α
do
␈↓ ↓H
␈↓ ↓Hnot␈αpresuppose␈αa␈αvery␈αlimited␈αvocabulary.␈αOur␈αfacilities␈αfor␈αthis␈αwork␈αare␈αextremely␈αgood
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␈↓ ↓Has␈αcompared␈αwith␈αthose␈αat␈αother␈αresearch␈αcenters.
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␈↓ ↓HThere␈α∞are␈α∞several␈α∞groups␈α∞here␈α∞at␈α∞Stanford␈α∞working␈α∞on␈α∞the␈α
general␈α
field␈α
of␈α
speech.␈α
We
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␈↓ ↓Hhave␈α∪a␈α∪group␈α∪here␈α∪in␈α∪the␈α∪Artificial␈α∪Intelligence␈α∩Laboratory␈α∩that␈α∩is␈α∩interested␈α∩in␈α∩the
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␈↓ ↓Hgeneral␈αproblem␈αof␈αlanguage␈αunderstanding.␈αThen␈αthere␈αis␈αa␈αgroup␈αin␈αthe␈αmedical␈αschool
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␈↓ ↓Hwith␈α∞interests␈α∞in␈α∞the␈α∞human␈α∞aspects␈α∞of␈α∞speech␈α
production␈α
and␈α
understanding.␈α
There␈α
are
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␈↓ ↓Hseveral␈α∂people␈α∂in␈α∂Electrical␈α∂Engineering␈α∂with␈α∂interests␈α∂and␈α∞occasional␈α∞students␈α∞working
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␈↓ ↓Hon␈α↔speech␈α↔recognition␈α↔and␈α↔on␈α↔speech␈α⊗synthesis.␈α⊗There␈α⊗is␈α⊗a␈α⊗group␈α⊗in␈α⊗still␈α⊗another
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␈↓ ↓Hdepartment␈α∞with␈α∞an␈α
operating␈α
speech␈α
recognition␈α
system␈α
that␈α
is␈α
used␈α
to␈α
teach␈α
arithmetic
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␈↓ ↓Hto␈α
small␈α
children.␈α
This␈α
is␈α
an␈α
adaptation␈α
of␈α
a␈α
system␈α
that␈αwas␈αdeveloped␈αin␈αthe␈αArtificial
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␈↓ ↓HIntelligence␈α⊃Laboratory,␈α⊂interestingly␈α⊂enough,␈α⊂by␈α⊂a␈α⊂French␈α⊂student,␈α⊂Pierre␈α⊂Vicens,␈α⊂who
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␈↓ ↓Hreceived␈α∃his␈α∃PhD.␈α∃from␈α∀Stanford␈α∀and␈α∀has␈α∀since␈α∀returned␈α∀to␈α∀France.␈α∀We␈α∀have␈α∀still
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␈↓ ↓Hanother␈αFrench␈αstudent,␈αBertrand␈αMeyer,␈αwith␈αinterests␈αin␈αspeech␈αhere␈αat␈αthe␈αpresent␈αtime
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␈↓ ↓Hbut␈αhe␈αis␈αleaving␈αin␈αa␈αfew␈αweeks␈αto␈αreturn␈αto␈αFrance.
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␈↓ ↓HAs␈α⊂you␈α⊂probably␈α⊂know,␈α⊂there␈α⊂are␈α⊂a␈α⊂number␈α⊂of␈α⊂groups␈α⊂at␈α∂various␈α∂places␈α∂in␈α∂the␈α∂United
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␈↓ ↓HStates␈αsupported␈αby␈αthe␈αgovernment␈αARPA␈αorganization␈αand␈αthese␈αare␈αall␈αinterconnected
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␈↓ ↓Hby␈α∩the␈α⊃ARPA␈α⊃network.␈α⊃We␈α⊃work␈α⊃closely␈α⊃with␈α⊃these␈α⊃groups␈α⊃and␈α⊃our␈α⊃computer␈α⊃is␈α⊃also
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␈↓ ↓Hconnected␈α∃to␈α∃the␈α∃net.␈α∃With␈α∃these␈α∃facilities␈α∃for␈α∃working␈α∃with␈α∀others,␈α∀the␈α∀amount␈α∀of
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␈↓ ↓Hcollaboration␈α∞that␈α∞one␈α∞does␈α∞depends␈α∞on␈α∞one`s␈α
desires.␈α
In␈α
fact␈α
the␈α
danger␈α
is␈α
that␈α
one␈α
can
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␈↓ ↓Hspend␈αone`s␈αentire␈αtime␈αin␈αkeeping␈αinformed␈αof␈αthe␈αwork␈αof␈αothers␈αand␈αso␈αleave␈αlittle␈αtime
␈↓ ↓H
␈↓ ↓Hfor␈αone's␈αown␈αwork.
␈↓ ↓H
␈↓ ↓H
␈↓ ↓HI␈α∞am␈α∞at␈α∞somewhat␈α∞of␈α∞a␈α∞loss␈α∞as␈α∞to␈α∞what␈α∞to␈α∞tell␈α∞you␈α∞to␈α∞read,␈α∞there␈α∞is␈α∞so␈α∞much.␈α∞Perhaps␈α
if
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␈↓ ↓Hyou␈αwere␈αto␈αget␈αa␈αcopy␈αof␈αthe␈αpreprints␈αof␈αthe␈αSpeech␈αCommunication␈αSeminar␈αto␈αbe␈αheld
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␈↓ ↓Hin␈α∪Stockholm␈α∪August␈α∪1-3␈α∪from␈α∪the␈α∪Speech␈α∪Transmission␈α∪Laboratory␈α∪of␈α∪the␈α∪Dept.␈α∪of
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␈↓ ↓HSpeech␈α∞Communication␈α∞at␈α∞KTH␈α∞in␈α∞Stockholm,␈α∞this␈α∞might␈α∞be␈α∞a␈α∞start␈α
and␈α
then␈α
by␈α
going
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␈↓ ↓Hbackward␈α∞through␈α∞the␈α∞references␈α∞in␈α∞these␈α∞papers␈α∞you␈α∞could␈α∞follow␈α∞your␈α
special␈α
interests
␈↓ ↓H
␈↓ ↓Hback␈α∞as␈α∞far␈α∞as␈α∞you␈α∞like.␈α∞Most␈α∞of␈α∞the␈α∞recent␈α∞work␈α∞is␈α∞only␈α∞available␈α
in␈α
conference␈α
reports
␈↓ ↓H
␈↓ ↓Hwhich␈α∂are␈α∂sometimes␈α∂hard␈α∂to␈α∂get.␈α∂The␈α∞Journal␈α∞of␈α∞the␈α∞Acoustic␈α∞Society␈α∞is␈α∞another␈α∞good
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␈↓ ↓Hsource.
␈↓ ↓H
␈↓ ↓H
␈↓ ↓HI␈α∞believe␈α∞that␈α∞this␈α∞answers␈α∞most␈α∞of␈α∞your␈α∞questions.␈α∞I␈α∞can␈α∞only␈α∞add␈α∞that␈α
I␈α
will␈α
be␈α
glad␈α
to
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␈↓ ↓Htalk␈α
with␈α
you␈α
on␈α
your␈α
arrival␈α
and␈α
perhaps␈α
we␈α
can␈α
work␈α
out␈α
a␈α
program␈α
that␈α
will␈αinterest
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␈↓ ↓Hyou.
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␈↓ ¬∂
Sincerely yours,
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␈↓ ¬∂
␈↓ ¬∂
␈↓ ¬∂
␈↓ ¬∂
Arthur L, Samuel
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ALS:pdp10
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