<s>
RIPAC	B-General_Concept
was	O
a	O
VLSI	O
single-chip	O
microprocessor	B-Architecture
designed	O
for	O
automatic	O
recognition	O
of	O
the	O
connected	O
speech	O
,	O
one	O
of	O
the	O
first	O
of	O
this	O
use	O
.	O
</s>
<s>
The	O
project	O
of	O
the	O
microprocessor	B-Architecture
RIPAC	B-General_Concept
started	O
in	O
1984	O
.	O
</s>
<s>
RIPAC	B-General_Concept
was	O
aimed	O
to	O
provide	O
efficient	O
real-time	O
speech	B-Application
recognition	I-Application
services	O
to	O
the	O
italian	O
telephone	O
system	O
provided	O
by	O
SIP	O
.	O
</s>
<s>
The	O
microprocessor	B-Architecture
was	O
presented	O
in	O
September	O
1986	O
at	O
The	O
Hague	O
(	O
Netherlands	O
)	O
at	O
EUSPICO	O
conference	O
.	O
</s>
<s>
It	O
was	O
composed	O
of	O
70.000	O
transistors	O
and	O
structured	O
as	O
Harvard	B-Architecture
architecture	I-Architecture
.	O
</s>
<s>
The	O
name	O
RIPAC	B-General_Concept
is	O
the	O
acronym	O
for	O
"	O
Riconoscimento	O
del	O
PArlato	O
Connesso	O
"	O
,	O
that	O
means	O
"	O
Recognition	O
of	O
the	O
connected	O
speech	O
"	O
in	O
Italian	O
.	O
</s>
<s>
The	O
microprocessor	B-Architecture
was	O
designed	O
by	O
the	O
Italian	O
companies	O
CSELT	O
and	O
ELSAG	O
and	O
was	O
produced	O
by	O
SGS	O
:	O
a	O
combination	O
of	O
Hidden	O
Markov	O
Model	O
and	O
Dynamic	B-Algorithm
Time	I-Algorithm
Warping	I-Algorithm
algorithms	O
was	O
used	O
for	O
processing	O
speech	O
signals	O
.	O
</s>
<s>
It	O
was	O
able	O
to	O
do	O
real-time	O
speech	B-Application
recognition	I-Application
of	O
Italian	O
and	O
many	O
languages	O
with	O
a	O
good	O
affordability	O
.	O
</s>
