<s>
The	O
Texas	B-Application
Instruments	I-Application
LPC	I-Application
Speech	I-Application
Chips	I-Application
are	O
a	O
series	O
of	O
speech	B-Application
synthesizer	I-Application
digital	B-Architecture
signal	I-Architecture
processor	I-Architecture
integrated	O
circuits	O
created	O
by	O
Texas	O
Instruments	O
beginning	O
in	O
1978	O
.	O
</s>
<s>
The	O
rights	O
to	O
the	O
speech-specific	O
subset	O
of	O
the	O
MSP	O
line	O
,	O
the	O
last	O
remaining	O
line	O
of	O
TI	O
speech	O
products	O
as	O
of	O
2001	O
,	O
were	O
sold	O
to	O
Sensory	B-Application
,	I-Application
Inc	I-Application
.	I-Application
in	O
October	O
2001	O
.	O
</s>
<s>
Speech	O
data	O
is	O
stored	O
through	O
pitch-excited	O
linear	B-Algorithm
predictive	I-Algorithm
coding	I-Algorithm
(	O
PE-LPC	O
)	O
,	O
where	O
words	O
are	O
created	O
by	O
a	O
lattice	O
filter	O
,	O
selectably	O
fed	O
by	O
either	O
an	O
excitation	O
ROM	B-Device
(	O
containing	O
a	O
glottal	O
pulse	O
waveform	O
)	O
or	O
an	O
LFSR	B-Architecture
(	O
linear	B-Architecture
feedback	I-Architecture
shift	I-Architecture
register	I-Architecture
)	O
noise	O
generator	O
.	O
</s>
<s>
Linear	B-Algorithm
predictive	I-Algorithm
coding	I-Algorithm
achieves	O
a	O
vast	O
reduction	O
in	O
data	O
volume	O
needed	O
to	O
recreate	O
intelligible	O
speech	O
data	O
.	O
</s>
<s>
The	O
TMC0280/TMS5100	O
was	O
the	O
first	O
self-contained	O
LPC	B-Algorithm
speech	B-Application
synthesizer	I-Application
IC	O
ever	O
made	O
.	O
</s>
<s>
The	O
chip	O
was	O
designed	O
for	O
the	O
'	O
Spelling	O
Bee	O
 '	O
project	O
at	O
TI	O
,	O
which	O
later	O
became	O
the	O
Speak	B-Application
&	I-Application
Spell	I-Application
.	O
</s>
<s>
A	O
speech-less	O
'	O
Spelling	O
B	O
 '	O
was	O
released	O
at	O
the	O
same	O
time	O
as	O
the	O
Speak	B-Application
&	I-Application
Spell	I-Application
.	O
</s>
<s>
All	O
TI	O
LPC	B-Algorithm
speech	O
chips	O
until	O
the	O
TSP50cxx	O
series	O
used	O
PMOS	O
architecture	O
,	O
and	O
LPC-10	O
encoding	O
in	O
a	O
special	O
TI-specific	O
format	O
.	O
</s>
<s>
Chips	O
in	O
the	O
TI	O
LPC	B-Algorithm
speech	O
series	O
were	O
labeled	O
as	O
TMCxxxx	O
or	O
CDxxxx	O
when	O
used	O
by	O
TI	O
's	O
consumer	O
product	O
division	O
,	O
or	O
labeled	O
as	O
TMS5xxx	O
(	O
later	O
TSP5xxx	O
)	O
when	O
sold	O
to	O
3rd	O
parties	O
.	O
</s>
<s>
TMS5100	B-Application
(	O
TMC0281	B-Application
,	O
internal	O
TI	O
name	O
is	O
'	O
0280	O
 '	O
hence	O
chip	O
is	O
sometimes	O
labeled	O
TMC0280	B-Application
)	O
:	O
First	O
LPC	B-Algorithm
speech	O
chip	O
.	O
</s>
<s>
Used	O
a	O
custom	O
4-bit	O
serial	O
interface	O
using	O
TMS6100	O
or	O
TMS6125	O
mask	B-Device
ROM	I-Device
ICs	O
;	O
used	O
on	O
all	O
non-super	O
versions	O
of	O
the	O
Speak	B-Application
&	I-Application
Spell	I-Application
except	O
for	O
the	O
1980	O
UK	O
version	O
,	O
which	O
used	O
the	O
TMC0280/CD2801	O
below	O
.	O
</s>
<s>
Publicly	O
sold	O
as	O
TMS5100	B-Application
.	O
</s>
<s>
Superseded	O
in	O
1979	O
by	O
TMS5100A	O
and	O
TMS5110	B-Application
.	O
</s>
<s>
TMC0280	B-Application
AKA	O
CD2801	O
:	O
Used	O
in	O
the	O
Speak	O
&	O
Math	O
,	O
Speak	O
&	O
Read	O
,	O
and	O
the	O
TI	O
Language	O
Translator/Language	O
Tutor	O
.	O
</s>
<s>
Pin	O
,	O
but	O
not	O
function	O
compatible	O
with	O
TMS5100/TMC0280	O
,	O
has	O
a	O
different	O
LPC	B-Algorithm
and	O
slightly	O
different	O
Chirp	O
table	O
.	O
</s>
<s>
TMS5100A	O
:	O
Die	O
shrink	O
of	O
TMS5100/TMC0281	O
.	O
</s>
<s>
TMS5110	B-Application
:	O
Has	O
updated	O
LPC	B-Algorithm
tables	O
(	O
which	O
mostly	O
match	O
5220	O
,	O
see	O
below	O
)	O
.	O
</s>
<s>
Pin	O
,	O
but	O
not	O
function	O
compatible	O
with	O
TMS5100	B-Application
.	O
</s>
<s>
TMS5200	B-Application
(	O
AKA	O
CD2501E	O
,	O
internal	O
TI	O
name	O
is	O
'	O
0285	O
 '	O
hence	O
chip	O
is	O
sometimes	O
labeled	O
TMC0285	O
)	O
:	O
Added	O
8-bit	O
parallel	O
FIFO	O
interface	O
;	O
designed	O
for	O
use	O
by	O
the	O
TI	O
consumer	O
division	O
for	O
the	O
TI-99/4A	B-Device
speech	O
module	O
;	O
also	O
used	O
on	O
the	O
4th	O
generation	O
Bally/Midway	O
pinball	B-Application
tables	O
 '	O
Squawk	O
and	O
Talk	O
speech	O
board	O
(	O
part	O
number	O
AS-2518-61	O
)	O
,	O
on	O
the	O
Environmental	O
cabinet	O
version	O
of	O
the	O
Bally/Midway	O
arcade	O
game	O
Discs	B-Application
of	I-Application
TRON	I-Application
,	O
on	O
(	O
earlier	O
)	O
Apple	B-Device
II	I-Device
Echo	B-Application
II	I-Application
cards	O
,	O
and	O
on	O
the	O
Zaccaria	B-Application
arcade	O
games	O
Jack	O
Rabbit	O
and	O
Money	O
Money	O
,	O
and	O
Zaccaria	B-Application
pinball	I-Application
machines	O
Pinball	B-Application
Champ	O
and	O
Soccer	O
Kings	O
.	O
</s>
<s>
Superseded	O
by	O
TMS5220	B-Application
in	O
late	O
1980/1981	O
,	O
and	O
possibly	O
sold	O
as	O
cheap	O
,	O
'	O
fire-sale	O
'	O
stock	O
in	O
19821983	O
.	O
</s>
<s>
CD2802	B-Application
:	O
A	O
version	O
of	O
the	O
TMS5100/5110	O
with	O
different	O
LPC	B-Algorithm
and	O
Chirp	O
tables	O
,	O
not	O
the	O
same	O
as	O
either	O
the	O
TMS5100(A )	O
or	O
TMS5110(A )	O
.	O
</s>
<s>
TMS5110A	O
(	O
after	O
1985	O
:	O
TSP5110A	O
)	O
:	O
Die	O
shrink	O
of	O
TMS5110	B-Application
,	O
pin	O
and	O
function	O
compatible	O
.	O
</s>
<s>
It	O
was	O
used	O
on	O
the	O
arcade	O
game	O
Bagman	B-Application
by	O
Valadon	O
Automation	O
,	O
by	O
Omnicron	O
Electronics	O
on	O
the	O
TCC-14	O
Talking	O
Clock/Calendar	O
,	O
and	O
on	O
the	O
arcade	O
game	O
A.D.	O
2083	O
by	O
Midcoin	O
.	O
</s>
<s>
TMS5220	B-Application
(	O
AKA	O
CD2805E	O
?	O
</s>
<s>
)	O
:	O
Improved	O
version	O
of	O
the	O
TMS5200	B-Application
,	O
pin	O
but	O
not	O
function	O
compatible	O
(	O
has	O
new	O
LPC	B-Algorithm
tables	O
)	O
;	O
used	O
on	O
(	O
later	O
)	O
Apple	B-Device
II	I-Device
Echo	B-Application
II	I-Application
cards	O
,	O
(	O
rumor	O
)	O
on	O
the	O
very	O
last	O
run	O
of	O
TI-99/4A	B-Device
speech	O
modules	O
,	O
on	O
the	O
BBC	B-Device
Micro	I-Device
,	O
in	O
Bally/Midway	O
'	O
s	O
NFL	O
Football	O
arcade	O
game	O
,	O
and	O
in	O
many	O
Atari	O
,	O
Inc	O
.	O
arcade	O
games	O
,	O
including	O
Star	B-Application
Wars	I-Application
,	O
Firefox	B-Application
,	O
Return	B-Application
of	I-Application
the	I-Application
Jedi	I-Application
,	O
Road	B-Application
Runner	I-Application
,	O
The	B-Application
Empire	I-Application
Strikes	I-Application
Back	I-Application
.	O
</s>
<s>
The	O
TMS5220	B-Application
was	O
also	O
used	O
in	O
Zaccaria	B-Application
pinball	I-Application
machines	O
Farfalla	O
,	O
Devil	O
Riders	O
,	O
Time	O
Machine	O
,	O
Magic	O
Castle	O
,	O
Robot	O
,	O
Clown	O
,	O
Pool	O
Champion	O
,	O
Blackbelt	O
,	O
Mexico	O
'	O
86	O
,	O
Zankor	O
,	O
and	O
Spooky	O
.	O
</s>
<s>
The	O
TMS5220	B-Application
was	O
also	O
used	O
on	O
Venture	O
Line	O
's	O
Looping	O
and	O
Sky	O
Bumper	O
,	O
Olympia	O
's	O
Portraits	O
,	O
and	O
Exidy	O
's	O
Victory	O
and	O
Victor	O
Banana	O
arcade	O
machines	O
.	O
</s>
<s>
The	O
TMS5220	B-Application
was	O
also	O
used	O
in	O
the	O
Androbot	O
,	O
Inc	O
.	O
Topo	O
line	O
of	O
robots	O
,	O
starting	O
with	O
Topo	O
II	O
and	O
Topo	O
III	O
in	O
1984	O
.	O
</s>
<s>
HP	O
82967A	O
Speech	B-Application
synthesis	I-Application
module	O
,	O
adding	O
1500-word	O
vocabulary	O
to	O
Series	O
80	O
computers	O
.	O
</s>
<s>
Otherwise	O
identical	O
,	O
pin-compatible	O
,	O
and	O
a	O
drop-in	O
replacement	O
to	O
the	O
TMS5220	B-Application
.	O
</s>
<s>
Used	O
on	O
the	O
Atari	O
arcade	O
games	O
Indiana	B-Application
Jones	I-Application
and	I-Application
the	I-Application
Temple	I-Application
of	I-Application
Doom	I-Application
,	O
720°	B-Application
,	O
Gauntlet	B-Device
,	O
Gauntlet	B-Application
II	I-Application
,	O
A.P.B.	B-Application
,	O
Paperboy	B-Device
,	O
RoadBlasters	B-Application
,	O
Vindicators	O
Part	O
II	O
,	O
and	O
finally	O
Escape	B-Application
from	I-Application
the	I-Application
Planet	I-Application
of	I-Application
the	I-Application
Robot	I-Application
Monsters	I-Application
.	O
</s>
<s>
Also	O
used	O
on	O
the	O
IBM	B-Device
PS/2	I-Device
Speech	O
Adapter	O
and	O
the	O
Pacific	O
Educational	O
Systems	O
RS-232	O
Speech	O
adapter	O
.	O
</s>
<s>
TSP50C50	O
:	O
CMOS	O
,	O
uses	O
LPC-12	O
instead	O
of	O
LPC-10	O
,	O
uses	O
TMS60C20	O
256Kb/32KiB	O
serial	O
ROM	B-Device
instead	O
of	O
TMS6100	O
.	O
</s>
<s>
Uses	O
'	O
D6	O
 '	O
LPC	B-Algorithm
tables	O
and	O
chirp	O
tables	O
,	O
which	O
were	O
common	O
for	O
the	O
whole	O
TSP50Cxx	O
series	O
.	O
</s>
<s>
TSP50C40	O
(	O
later	O
MSP50C40	O
)	O
:	O
TSP50C50	O
plus	O
a	O
simple	O
8-bit	O
microcontroller	O
with	O
on-chip	O
mask	B-Device
ROM	I-Device
.	O
</s>
<s>
Several	O
other	O
TSP50Cxx	O
products	O
,	O
which	O
added	O
more	O
ROM/ram	O
,	O
did	O
away	O
with	O
the	O
serial	O
interface	O
entirely	O
,	O
etc	O
.	O
</s>
<s>
The	O
TSP53C30	O
microcontroller	O
product	O
emulates	O
a	O
TMS5220	B-Application
PE-LPC	O
,	O
but	O
also	O
has	O
support	O
for	O
D6	O
LPC	B-Algorithm
as	O
well	O
as	O
PCM	O
sound	O
output	O
.	O
</s>
<s>
In	O
October	O
2001	O
,	O
the	O
rights	O
to	O
the	O
speech-specific	O
subset	O
of	O
the	O
MSP	O
line	O
of	O
chips	O
(	O
MSP50C6XX	O
chip	O
family	O
)	O
was	O
sold	O
by	O
TI	O
to	O
Sensory	B-Application
,	I-Application
Inc	I-Application
.	I-Application
Sensory	O
rebranded	O
the	O
chips	O
as	O
the	O
Sensory	O
SC-6x	O
line	O
.	O
</s>
<s>
TMS7125	O
)	O
read-only	B-Device
memories	I-Device
which	O
were	O
mask	O
programmed	O
with	O
words	O
required	O
for	O
a	O
specific	O
product	O
.	O
</s>
<s>
ALL	O
versions	O
of	O
the	O
LPC	B-Algorithm
chips	O
until	O
the	O
TSP50Cxx	O
series	O
support	O
them	O
.	O
</s>
