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VOICE OPERATED INDUSTRY AUTOMATION USING
VOICE RECOGNITION TECHNOLOGY
Title of the project : Voice Operte! I"!#$tr% A#to&tio"
#$i"' Voice
Reco'"itio" Tech"olo'%
Do&i" : Speech Proce$$i"'( E&)e!!e!
Software : Embedded C, Keil, Proload
Rel% : *V( +,,- DPDT
Po.er S#ppl% : /*V( *,,&A Re'#lte! Po.er S#ppl%
Di$pl% : LED +0 1 2
LED : *&& 3hite4i"4Re!( *&& 3hite4i"45l#e
I"p#t : Voice 4 Micropho"e
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VOICE OPERATED INDUSTRY AUTOMATION USING
VOICE RECOGNITION TECHNOLOGY
Voice )$e! i"!#$tril electricl ppli"ce$ co"trol i$ " i"tere$ti"'
6oice )$e! project(
&i"l% #$ef#l for i"!#$tril pplictio"$( ho&e
#to&tio"7 Thi$ project 'i6e$ e8ct
co"cept of co"trolli"' hi'h 6olt'e electricl !e6ice or DC 9 AC
&otor 6oice
i"$tr#ctio"7 Thi$ project i$ the fir$t $tep to !e$i'" of 6oice
)$e! i"!#$tril #to&tio"
project$7
The $peech reco'"itio" $%$te& i$ e$% to #$e
pro'r&&)le $peech reco'"itio" circ#it7
Pro'r&&)le( i" the $e"$e tht the $%$te& to )e tri"e!
the .or!$ or 6ocl #tter"ce$;
the #$er ."t$ the circ#it to reco'"i
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More on the HM2007 Chip
The HM2007 is a CMOS voice reco!itio! "S# $"are Scale
#!teratio!% circ&it'The chi( co!tai!s a! a!alo fro!t e!d, voice
a!al)sis, re&latio!, a!d s)stemco!trol f&!ctio!s' The chi(
ma) be &sed i! a sta!d alo!e or CP* co!!ected'
Features:
Si!le chi( voice reco!itio! CMOS "S#
S(ea+er de(e!de!t
Eter!al -.M s&((ort
Maim&m /0 word reco!itio! $'1 seco!d%
Maim&m word le!th '2 seco!ds $20 word%
Micro(ho!e s&((ort
Ma!&al a!d CP* modes available
-es(o!se time less tha! 300 milliseco!ds
45 (ower s&((l)
Voice Security System
This circ&it is!6t desi!ed for a voice sec&rit) s)stem
i! a commercial a((licatio!,b&t that sho&ld !ot (reve!t
a!)o!e from e(erime!ti! with it for that (&r(ose' .commo!
a((roach is to &se three or fo&r +e)words that m&st be
s(o+e! a!dreco!ied i! se8&e!ce i! order to o(e! a loc+ or allow
e!tr)'
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Block diagram:
Circuit diagram:
AT=>S*2
Microco"troller
Voice
Reco'"itio"
Mo!#le
Micropho"e
+0 1 2 LCD
Co"tr$t Co"trol
ULN Dri6er Circ#it
Rel% 5or!
LOADS
Po.er $#ppl% to ll $ectio"$
Step
!o."T9
5ri!'e
Rectifier
ilter
Circ#it Re'#ltor
CLB
RESET
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