<s>
Pro	B-Application
Tools	I-Application
is	O
a	O
digital	B-General_Concept
audio	I-General_Concept
workstation	I-General_Concept
(	O
DAW	O
)	O
developed	O
and	O
released	O
by	O
Avid	O
Technology	O
(	O
formerly	O
Digidesign	O
)	O
for	O
Microsoft	B-Application
Windows	I-Application
and	O
macOS	B-Application
.	O
</s>
<s>
Pro	B-Application
Tools	I-Application
operates	O
both	O
as	O
standalone	O
software	O
and	O
in	O
conjunction	O
with	O
a	O
range	O
of	O
external	O
analog-to-digital	O
converters	O
and	O
PCIe	O
cards	O
with	O
on-board	O
digital	B-Architecture
signal	I-Architecture
processors	I-Architecture
(	O
DSP	O
)	O
.	O
</s>
<s>
Like	O
all	O
digital	B-General_Concept
audio	I-General_Concept
workstation	I-General_Concept
software	O
,	O
Pro	B-Application
Tools	I-Application
can	O
perform	O
the	O
functions	O
of	O
a	O
multitrack	O
tape	O
recorder	O
and	O
a	O
mixing	O
console	O
along	O
with	O
additional	O
features	O
that	O
can	O
only	O
be	O
performed	O
in	O
the	O
digital	O
domain	O
,	O
such	O
as	O
non-linear	O
and	O
non-destructive	O
editing	O
(	O
most	O
of	O
audio	O
handling	O
is	O
done	O
without	O
overwriting	O
the	O
source	O
files	O
)	O
,	O
track	O
compositing	O
with	O
multiple	O
playlists	O
,	O
time	O
compression	O
and	O
expansion	O
,	O
pitch	O
shifting	O
,	O
and	O
faster-than-real-time	O
mixdown	O
.	O
</s>
<s>
Audio	B-Algorithm
effects	I-Algorithm
,	O
virtual	B-Application
instruments	I-Application
,	O
and	O
hardware	O
emulators	O
—	O
such	O
as	O
microphone	B-Algorithm
preamps	I-Algorithm
or	O
guitar	O
amplifiers	O
—	O
can	O
be	O
added	O
,	O
adjusted	O
,	O
and	O
processed	O
in	O
real-time	O
in	O
a	O
virtual	B-Application
mixer	I-Application
.	O
</s>
<s>
16-bit	O
,	O
24-bit	O
,	O
and	O
32-bit	O
float	B-Algorithm
audio	O
bit	O
depths	O
at	O
sample	O
rates	O
up	O
to	O
192kHz	O
are	O
supported	O
.	O
</s>
<s>
Pro	B-Application
Tools	I-Application
supports	O
mixed	O
bit	O
depths	O
and	O
audio	O
formats	O
in	O
a	O
session	O
:	O
BWF/WAV	O
(	O
including	O
WAVE	O
Extensible	O
,	O
RF64	O
and	O
BW64	O
)	O
and	O
AIFF	O
.	O
</s>
<s>
It	O
imports	O
and	O
exports	O
MOV	B-Application
video	O
files	O
and	O
ADM	O
BWF	O
files	O
(	O
audio	O
files	O
with	O
Dolby	O
Atmos	O
metadata	O
)	O
;	O
it	O
also	O
imports	O
MXF	O
,	O
ACID	O
and	O
REX	O
files	O
and	O
the	O
lossy	O
formats	O
MP3	B-Application
,	O
AAC	B-Application
,	O
M4A	O
,	O
and	O
audio	O
from	O
video	O
files	O
(	O
MOV	B-Application
,	O
MP4	O
,	O
M4V	B-Application
)	O
.	O
</s>
<s>
The	O
legacy	O
SDII	O
format	O
was	O
dropped	O
with	O
Pro	B-Application
Tools	I-Application
10	O
,	O
although	O
SDII	O
conversion	O
is	O
still	O
possible	O
on	O
macOS	B-Application
.	O
</s>
<s>
Pro	B-Application
Tools	I-Application
has	O
incorporated	O
video	O
editing	O
capabilities	O
,	O
so	O
users	O
can	O
import	O
and	O
manipulate	O
high-definition	O
video	O
file	O
formats	O
such	O
as	O
XDCAM	O
,	O
MJPG-A	O
,	O
PhotoJPG	O
,	O
DV25	O
,	O
QuickTime	B-Application
,	O
and	O
more	O
.	O
</s>
<s>
It	O
features	O
time	O
code	O
,	O
tempo	O
maps	O
,	O
elastic	O
audio	O
,	O
and	O
automation	O
;	O
supports	O
mixing	O
in	O
surround	O
sound	O
,	O
Dolby	O
Atmos	O
and	O
VR	B-Application
sound	O
using	O
Ambisonics	O
.	O
</s>
<s>
The	O
Pro	B-Application
Tools	I-Application
TDM	B-Protocol
mix	O
engine	O
,	O
supported	O
until	O
2011	O
with	O
version	O
10	O
,	O
employed	O
24-bit	O
fixed-point	O
arithmetic	O
for	O
plug-in	O
processing	O
and	O
48-bit	O
for	O
mixing	O
.	O
</s>
<s>
Current	O
HDX	O
hardware	O
systems	O
,	O
HD	O
Native	O
and	O
native	O
systems	O
use	O
32-bit	O
floating-point	B-Algorithm
resolution	O
for	O
plug-ins	O
and	O
64-bit	B-Device
floating-point	B-Algorithm
summing	O
.	O
</s>
<s>
The	O
software	O
and	O
the	O
audio	O
engine	O
were	O
adapted	O
to	O
64-bit	B-Device
architecture	I-Device
from	O
version	O
11	O
.	O
</s>
<s>
In	O
2022	O
,	O
Avid	O
switched	O
Pro	B-Application
Tools	I-Application
from	O
a	O
perpetual	O
license	O
to	O
a	O
subscription	O
model	O
.	O
</s>
<s>
New	O
users	O
have	O
to	O
choose	O
between	O
three	O
new	O
plans	O
:	O
Pro	B-Application
Tools	I-Application
Artist	O
,	O
which	O
costs	O
$9.99	O
per	O
month	O
or	O
$99	O
per	O
year	O
;	O
Pro	B-Application
Tools	I-Application
Studio	O
,	O
which	O
costs	O
$39.99	O
per	O
month	O
or	O
$299	O
per	O
year	O
;	O
and	O
Pro	B-Application
Tools	I-Application
Flex	O
,	O
which	O
costs	O
$99.99	O
per	O
month	O
or	O
$999	O
per	O
year	O
.	O
</s>
<s>
Later	O
in	O
2022	O
,	O
Avid	O
launched	O
a	O
free	O
version	O
:	O
Pro	B-Application
Tools	I-Application
Intro	O
.	O
</s>
<s>
Pro	B-Application
Tools	I-Application
was	O
developed	O
by	O
UC	O
Berkeley	O
graduates	O
Evan	O
Brooks	O
,	O
who	O
majored	O
in	O
electrical	O
engineering	O
and	O
computer	B-General_Concept
science	I-General_Concept
,	O
and	O
Peter	O
Gotcher	O
.	O
</s>
<s>
In	O
1983	O
,	O
the	O
two	O
friends	O
,	O
sharing	O
an	O
interest	O
in	O
music	O
and	O
electronic	O
and	O
software	O
engineering	O
,	O
decided	O
to	O
study	O
the	O
memory	O
mapping	O
of	O
the	O
newly	O
released	O
E-mu	O
Drumulator	O
drum	O
machine	O
to	O
create	O
EPROM	B-General_Concept
sound	O
replacement	O
chips	O
.	O
</s>
<s>
When	O
Apple	O
released	O
its	O
first	O
Macintosh	B-Device
computer	I-Device
in	O
1984	O
,	O
the	O
pair	O
thought	O
to	O
design	O
a	O
more	O
functional	O
and	O
flexible	O
solution	O
which	O
could	O
take	O
advantage	O
of	O
a	O
graphical	B-Application
interface	I-Application
.	O
</s>
<s>
In	O
collaboration	O
with	O
E-Mu	O
,	O
they	O
developed	O
a	O
Mac-based	O
visual	O
sample	O
editing	O
system	O
for	O
the	O
Emulator	O
II	O
keyboard	O
,	O
called	O
Sound	O
Designer	O
,	O
released	O
under	O
the	O
Digidesign	O
brand	O
and	O
inspired	O
by	O
the	O
interface	O
of	O
the	O
Fairlight	O
CMI	O
.	O
</s>
<s>
This	O
system	O
,	O
the	O
first	O
ancestor	O
of	O
Pro	B-Application
Tools	I-Application
,	O
was	O
released	O
in	O
1985	O
at	O
the	O
price	O
of	O
US$995	O
.	O
</s>
<s>
This	O
universal	O
file	O
specification	O
,	O
along	O
with	O
the	O
printed	O
source	O
code	O
to	O
a	O
68000	O
assembly	B-Language
language	I-Language
interrupt-driven	O
MIDI	O
driver	O
,	O
was	O
distributed	O
through	O
Macintosh	B-Device
MIDI	O
interface	O
manufacturer	O
Assimilation	O
,	O
which	O
manufactured	O
the	O
first	O
MIDI	O
interface	O
for	O
the	O
Mac	B-Device
in	O
1985	O
.	O
</s>
<s>
The	O
service	O
used	O
2400-baud	O
modems	O
and	O
100	O
MB	O
of	O
disk	O
space	O
with	O
Red	O
Ryder	O
host	O
on	O
a	O
1	O
MB	O
Macintosh	B-Device
Plus	I-Device
.	O
</s>
<s>
With	O
the	O
release	O
of	O
Apple	B-Device
Macintosh	I-Device
II	I-Device
in	O
1987	O
,	O
which	O
provided	O
card	O
slots	O
,	O
a	O
hard	O
disk	O
,	O
and	O
more	O
capable	O
memory	O
,	O
Brooks	O
and	O
Gotcher	O
saw	O
the	O
possibility	O
to	O
evolve	O
Sound	O
Designer	O
into	O
a	O
featured	O
digital	B-General_Concept
audio	I-General_Concept
workstation	I-General_Concept
.	O
</s>
<s>
Motorola	O
,	O
which	O
was	O
working	O
on	O
its	O
56K	B-General_Concept
series	I-General_Concept
of	O
digital	B-Architecture
signal	I-Architecture
processors	I-Architecture
,	O
invited	O
the	O
two	O
to	O
participate	O
in	O
its	O
development	O
.	O
</s>
<s>
The	O
system	O
relied	O
on	O
a	O
NuBus	B-Device
card	O
called	O
Sound	O
Accelerator	O
,	O
equipped	O
with	O
one	O
Motorola	B-General_Concept
56001	I-General_Concept
processor	O
.	O
</s>
<s>
Sound	O
Tools	O
was	O
bundled	O
with	O
Sound	O
Designer	O
II	O
software	O
,	O
which	O
was	O
,	O
at	O
this	O
time	O
,	O
a	O
simple	O
mono	O
or	O
stereo	O
audio	O
editor	O
running	O
on	O
Mac	B-Device
SE	I-Device
or	O
Mac	B-Device
II	I-Device
;	O
digital	O
audio	O
acquisition	O
from	O
DAT	O
was	O
also	O
possible	O
.	O
</s>
<s>
A	O
two-channel	O
digital	O
interface	O
(	O
DAT-I/O	O
)	O
with	O
AES/EBU	O
and	O
S/PDIF	O
connections	O
was	O
made	O
available	O
later	O
in	O
1989	O
,	O
while	O
the	O
Pro	O
I/O	B-General_Concept
interface	I-General_Concept
came	O
out	O
in	O
1990	O
with	O
18-bit	O
converters	O
.	O
</s>
<s>
The	O
core	O
engine	O
and	O
much	O
of	O
the	O
user	O
interface	O
of	O
the	O
first	O
iteration	O
of	O
Pro	B-Application
Tools	I-Application
was	O
based	O
on	O
Deck	O
.	O
</s>
<s>
The	O
first	O
Pro	B-Application
Tools	I-Application
system	O
was	O
launched	O
on	O
June	O
5	O
,	O
1991	O
.	O
</s>
<s>
Pro	B-Application
Tools	I-Application
relied	O
on	O
Digidesign	O
's	O
Audiomedia	O
card	O
,	O
mounting	O
one	O
Motorola	B-General_Concept
56001	I-General_Concept
processor	O
with	O
a	O
clock	O
rate	O
of	O
22.58MHz	O
and	O
offering	O
two	O
analog	O
and	O
two	O
digital	O
channels	O
of	O
I/O	B-General_Concept
,	O
and	O
on	O
the	O
Sound	O
Accelerator	O
card	O
.	O
</s>
<s>
Two	O
interfaces	O
were	O
also	O
released	O
:	O
Pro	O
Master	O
20	O
,	O
providing	O
20-bit	O
A/D	O
conversion	O
,	O
and	O
Audiomedia	O
II	O
,	O
with	O
improved	O
digital	O
converters	O
and	O
one	O
Motorola	B-General_Concept
56001	I-General_Concept
processor	O
running	O
at	O
33.86MHz	O
.	O
</s>
<s>
Pro	B-Application
Tools	I-Application
II	O
,	O
the	O
first	O
software	O
release	O
fully	O
developed	O
by	O
Digidesign	O
,	O
followed	O
in	O
the	O
same	O
year	O
and	O
addressed	O
its	O
predecessor	O
's	O
weaknesses	O
.	O
</s>
<s>
The	O
editor	O
and	O
the	O
mixer	O
were	O
merged	O
into	O
a	O
single	O
Pro	B-Application
Tools	I-Application
application	O
that	O
utilized	O
the	O
Digidesign	O
Audio	O
Engine	O
(	O
DAE	O
)	O
created	O
by	O
Peter	O
Richert	O
.	O
</s>
<s>
DAE	O
was	O
also	O
provided	O
as	O
a	O
separate	O
application	O
to	O
favor	O
hardware	O
support	O
from	O
third-party	O
developers	O
,	O
enabling	O
the	O
use	O
of	O
Pro	B-Application
Tools	I-Application
hardware	O
and	O
plug-ins	O
on	O
other	O
DAWs	O
.	O
</s>
<s>
Selling	O
more	O
than	O
8,000	O
systems	O
worldwide	O
,	O
Pro	B-Application
Tools	I-Application
II	O
became	O
the	O
best-selling	O
digital	B-General_Concept
audio	I-General_Concept
workstation	I-General_Concept
.	O
</s>
<s>
In	O
1994	O
,	O
Pro	B-Application
Tools	I-Application
2.5	O
implemented	O
Digidesign	O
's	O
newly	O
developed	O
time-division	B-Protocol
multiplexing	I-Protocol
technology	O
,	O
which	O
allowed	O
routing	O
of	O
multiple	O
digital	O
audio	O
streams	O
between	O
DSP	O
cards	O
.	O
</s>
<s>
With	O
TDM	B-Protocol
,	O
up	O
to	O
four	O
NuBus	B-Device
cards	O
could	O
be	O
linked	O
,	O
obtaining	O
a	O
16-track	O
system	O
,	O
while	O
multiple	O
DSP-based	O
plug-ins	O
could	O
be	O
run	O
simultaneously	O
and	O
in	O
real-time	O
.	O
</s>
<s>
The	O
wider	O
bandwidth	O
required	O
to	O
run	O
the	O
larger	O
number	O
of	O
tracks	O
was	O
achieved	O
with	O
a	O
SCSI	B-Architecture
expansion	O
card	O
developed	O
by	O
Grey	O
Matter	O
Response	O
,	O
called	O
System	O
Accelerator	O
.	O
</s>
<s>
In	O
the	O
same	O
year	O
,	O
Digidesign	O
announced	O
that	O
it	O
merged	O
into	O
the	O
American	O
multimedia	O
company	O
Avid	O
,	O
developer	O
of	O
the	O
digital	O
video	O
editing	O
platform	O
Media	B-Operating_System
Composer	I-Operating_System
and	O
one	O
of	O
Digidesign	O
's	O
major	O
customers	O
(	O
25%	O
of	O
Sound	O
Accelerator	O
and	O
Audiomedia	O
cards	O
produced	O
was	O
being	O
bought	O
by	O
Avid	O
)	O
.	O
</s>
<s>
With	O
a	O
redesigned	O
Disk	O
I/O	B-General_Concept
card	O
,	O
Pro	B-Application
Tools	I-Application
III	O
was	O
able	O
to	O
provide	O
16	O
tracks	O
with	O
a	O
single	O
NuBus	B-Device
card	O
;	O
the	O
system	O
could	O
be	O
expanded	O
using	O
TDM	B-Protocol
to	O
up	O
to	O
three	O
Disk	O
I/O	B-General_Concept
cards	O
,	O
achieving	O
48	O
tracks	O
.	O
</s>
<s>
DSP	O
Farm	O
cards	O
were	O
introduced	O
to	O
increase	O
the	O
processing	O
power	O
needed	O
for	O
a	O
more	O
extensive	O
real-time	O
audio	O
processing	O
;	O
each	O
card	O
was	O
equipped	O
with	O
three	O
Motorola	B-General_Concept
56001	I-General_Concept
chips	O
running	O
at	O
40MHz	O
.	O
</s>
<s>
A	O
dedicated	O
SCSI	B-Architecture
card	O
was	O
still	O
required	O
to	O
provide	O
the	O
required	O
bandwidth	O
to	O
support	O
multiple-card	O
systems	O
.	O
</s>
<s>
Along	O
with	O
Pro	B-Application
Tools	I-Application
III	O
,	O
Digidesign	O
launched	O
the	O
888	O
interface	O
,	O
with	O
eight	O
channels	O
of	O
analog	O
and	O
digital	O
I/O	B-General_Concept
,	O
and	O
the	O
cheaper	O
882	O
interface	O
.	O
</s>
<s>
A	O
series	O
of	O
TDM	B-Protocol
plug-ins	O
were	O
bundled	O
with	O
the	O
software	O
,	O
including	O
dynamics	O
processing	O
,	O
EQ	O
,	O
delay	O
,	O
modulation	O
,	O
and	O
reverb	O
.	O
</s>
<s>
In	O
1996	O
,	O
following	O
Apple	O
's	O
decision	O
to	O
drop	O
NuBus	B-Device
in	O
favor	O
of	O
PCI	B-Protocol
bus	I-Protocol
,	O
Digidesign	O
added	O
PCI	B-Protocol
support	O
with	O
Pro	B-Application
Tools	I-Application
3.21	O
.	O
</s>
<s>
The	O
PCI	B-Protocol
version	O
of	O
the	O
Disk	O
I/O	B-General_Concept
card	O
incorporated	O
a	O
high-speed	O
SCSI	B-Architecture
along	O
with	O
DSP	B-Architecture
chips	I-Architecture
,	O
while	O
the	O
upgraded	O
DSP	O
Farm	O
PCI	B-Protocol
card	I-Protocol
included	O
four	O
Motorola	O
56002	O
chips	O
running	O
at	O
66MHz	O
.	O
</s>
<s>
This	O
change	O
of	O
architecture	O
allowed	O
the	O
convergence	O
of	O
Macintosh	B-Device
computers	I-Device
with	O
Intel-based	O
PCs	O
,	O
for	O
which	O
PCI	B-Protocol
had	O
become	O
the	O
standard	O
internal	O
communication	O
bus	O
.	O
</s>
<s>
With	O
the	O
PCI	B-Protocol
version	O
of	O
Digidesign	O
's	O
Audiomedia	O
card	O
in	O
1997	O
(	O
Audiomedia	O
III	O
)	O
,	O
Sound	O
Tools	O
and	O
Pro	B-Application
Tools	I-Application
could	O
be	O
run	O
on	O
Windows	B-Application
platforms	O
for	O
the	O
first	O
time	O
.	O
</s>
<s>
With	O
the	O
release	O
of	O
Pro	B-Application
Tools	I-Application
|	O
24	O
in	O
1997	O
,	O
Digidesign	O
introduced	O
a	O
new	O
24-bit	O
interface	O
(	O
the	O
888|24	O
)	O
and	O
a	O
new	O
PCI	B-Protocol
card	I-Protocol
(	O
the	O
d24	O
)	O
.	O
</s>
<s>
The	O
d24	O
relied	O
on	O
Motorola	B-General_Concept
56301	I-General_Concept
processors	O
,	O
offering	O
increased	O
processing	O
power	O
and	O
24	O
tracks	O
of	O
24-bit	O
audio	O
(	O
later	O
increased	O
to	O
32	O
tracks	O
with	O
a	O
DAE	O
software	O
update	O
)	O
.	O
</s>
<s>
A	O
SCSI	B-Architecture
accelerator	O
was	O
required	O
to	O
keep	O
up	O
with	O
the	O
increased	O
data	O
throughput	O
.	O
</s>
<s>
Digidesign	O
dropped	O
its	O
proprietary	B-Application
SCSI	B-Architecture
controller	O
in	O
favor	O
of	O
commercially	O
available	O
ones	O
.	O
</s>
<s>
64	O
tracks	O
with	O
dual	O
d24	O
support	O
were	O
introduced	O
with	O
Pro	B-Application
Tools	I-Application
4.1.1	O
in	O
1998	O
,	O
while	O
the	O
updated	O
Pro	B-Application
Tools	I-Application
|	O
24	O
MIX	O
system	O
provided	O
three	O
times	O
more	O
DSP	O
power	O
with	O
the	O
MIX	O
Core	O
DSP	O
cards	O
.	O
</s>
<s>
MIXplus	O
systems	O
combined	O
a	O
MIX	O
Core	O
with	O
a	O
MIX	O
Farm	O
,	O
obtaining	O
a	O
performance	O
increase	O
of	O
700%	O
compared	O
to	O
a	O
Pro	B-Application
Tools	I-Application
|	O
24	O
system	O
.	O
</s>
<s>
Pro	B-Application
Tools	I-Application
5	O
saw	O
two	O
substantial	O
software	O
developments	O
:	O
extended	O
MIDI	O
functionality	O
and	O
integration	O
in	O
1999	O
(	O
an	O
editable	O
piano-roll	O
view	O
in	O
the	O
editor	O
;	O
MIDI	O
automation	O
,	O
quantize	O
and	O
transpose	O
)	O
and	O
the	O
introduction	O
of	O
surround	O
sound	O
mixing	O
and	O
multichannel	O
plug-ins	O
—	O
up	O
to	O
the	O
7.1	O
format	O
—	O
with	O
Pro	B-Application
Tools	I-Application
TDM	B-Protocol
5.1	O
in	O
2001	O
.	O
</s>
<s>
The	O
migration	O
from	O
traditional	O
,	O
tape-based	O
analog	O
studio	O
technology	O
to	O
the	O
Pro	B-Application
Tools	I-Application
platform	O
took	O
place	O
within	O
the	O
industry	O
:	O
Ricky	O
Martin	O
's	O
"	O
Livin	O
 '	O
la	O
Vida	O
Loca	O
"	O
(	O
1999	O
)	O
was	O
the	O
first	O
Billboard	O
Hot	O
100	O
number-one	O
single	O
to	O
be	O
recorded	O
,	O
edited	O
,	O
and	O
mixed	O
entirely	O
within	O
the	O
Pro	B-Application
Tools	I-Application
environment	O
,	O
allowing	O
a	O
more	O
meticulous	O
and	O
effortless	O
editing	O
workflow	O
(	O
especially	O
on	O
vocals	O
)	O
.	O
</s>
<s>
The	O
package	O
was	O
distributed	O
with	O
Pro	B-Application
Tools	I-Application
LE	O
,	O
a	O
specific	O
version	O
of	O
the	O
software	O
without	O
DSP	O
support	O
,	O
limited	O
to	O
24	O
mixing	O
tracks	O
.	O
</s>
<s>
Following	O
the	O
launch	O
of	O
Mac	B-Application
OS	I-Application
X	I-Application
operating	O
system	O
in	O
2001	O
,	O
Digidesign	O
made	O
a	O
substantial	O
redesign	O
of	O
Pro	B-Application
Tools	I-Application
hardware	O
and	O
software	O
.	O
</s>
<s>
Pro	B-Application
Tools	I-Application
|	O
HD	O
was	O
launched	O
in	O
2002	O
,	O
replacing	O
the	O
Pro	B-Application
Tools	I-Application
|	O
24	O
system	O
and	O
relying	O
on	O
a	O
new	O
range	O
of	O
DSP	O
cards	O
(	O
HD	O
Core	O
and	O
HD	O
Process	O
,	O
replacing	O
MIX	O
Core	O
and	O
MIX	O
Farm	O
)	O
,	O
new	O
interfaces	O
running	O
at	O
up	O
to	O
192	O
kHz	O
or	O
96kHz	O
sample	O
rates	O
(	O
HD	O
192	O
and	O
96	O
,	O
replacing	O
888	O
and	O
882	O
)	O
,	O
along	O
with	O
an	O
updated	O
version	O
of	O
the	O
software	O
(	O
Pro	B-Application
Tools	I-Application
6	O
)	O
with	O
new	O
features	O
and	O
a	O
redesigned	O
GUI	B-Application
,	O
developed	O
for	O
OS	B-Operating_System
X	I-Operating_System
and	O
Windows	B-Application
XP	I-Application
.	O
</s>
<s>
Two	O
HD	O
interfaces	O
could	O
be	O
linked	O
together	O
for	O
increased	O
I/O	B-General_Concept
through	O
a	O
proprietary	B-Application
connection	O
.	O
</s>
<s>
Both	O
HD	O
Core	O
and	O
Process	O
cards	O
mounted	O
nine	O
Motorola	B-General_Concept
56361	I-General_Concept
chips	O
running	O
at	O
100MHz	O
,	O
each	O
providing	O
25%	O
more	O
processing	O
power	O
than	O
the	O
Motorola	B-General_Concept
56301	I-General_Concept
chips	O
mounted	O
on	O
MIX	O
cards	O
;	O
this	O
translated	O
to	O
about	O
twice	O
the	O
power	O
for	O
a	O
single	O
card	O
.	O
</s>
<s>
When	O
Apple	O
changed	O
the	O
expansion	O
slot	O
architecture	O
of	O
the	O
Mac	B-Device
G5	O
to	O
PCI	B-Protocol
Express	O
,	O
Digidesign	O
launched	O
a	O
line	O
of	O
PCIe	O
DSP	O
cards	O
that	O
both	O
adopted	O
the	O
new	O
card	O
slot	O
format	O
and	O
slightly	O
changed	O
the	O
combination	O
of	O
chips	O
.	O
</s>
<s>
HD	O
Process	O
cards	O
were	O
replaced	O
with	O
HD	O
Accel	O
,	O
each	O
mounting	O
nine	O
Motorola	B-General_Concept
56321	I-General_Concept
chips	O
running	O
at	O
200MHz	O
and	O
each	O
providing	O
twice	O
the	O
power	O
than	O
an	O
HD	O
Process	O
card	O
;	O
track	O
count	O
for	O
systems	O
mounting	O
an	O
HD	O
Accel	O
was	O
extended	O
to	O
192/96/36	O
tracks	O
at	O
48/96/192kHz	O
sample	O
rates	O
.	O
</s>
<s>
The	O
use	O
of	O
PCI	B-Protocol
Express	O
connection	O
reduced	O
round-trip	O
delay	O
time	O
,	O
while	O
DSP	O
audio	O
processing	O
allowed	O
the	O
use	O
of	O
smaller	O
hardware	O
buffer	O
sizes	O
during	O
recording	O
,	O
assuring	O
stable	O
performance	O
with	O
extremely	O
low	O
latency	O
.	O
</s>
<s>
Pro	B-Application
Tools	I-Application
,	O
offering	O
a	O
solid	O
and	O
reliable	O
alternative	O
to	O
analog	O
recording	O
and	O
mixing	O
,	O
eventually	O
became	O
a	O
standard	O
in	O
professional	O
studios	O
throughout	O
the	O
decade	O
,	O
while	O
editing	O
features	O
such	O
as	O
Beat	O
Detective	O
(	O
introduced	O
with	O
Pro	B-Application
Tools	I-Application
5.1	O
in	O
2001	O
)	O
and	O
Elastic	O
Audio	O
(	O
introduced	O
with	O
Pro	B-Application
Tools	I-Application
7.4	O
in	O
2007	O
)	O
redefined	O
the	O
workflow	O
adopted	O
in	O
contemporary	O
music	O
production	O
.	O
</s>
<s>
Other	O
software	O
milestones	O
were	O
background	O
tasks	O
processing	O
(	O
such	O
as	O
fade	O
rendering	O
,	O
file	O
conversion	O
or	O
relinking	O
)	O
,	O
real-time	O
insertion	O
of	O
TDM	B-Protocol
plug-ins	O
during	O
playback	O
,	O
and	O
a	O
browser/database	O
environment	O
introduced	O
with	O
Pro	B-Application
Tools	I-Application
6	O
in	O
2003	O
;	O
Automatic	O
plug-in	O
Delay	O
Compensation	O
(	O
ADC	O
)	O
,	O
introduced	O
with	O
Pro	B-Application
Tools	I-Application
6.4	O
in	O
2004	O
and	O
only	O
available	O
with	O
TDM	B-Protocol
systems	O
with	O
HD	O
Accel	O
;	O
a	O
new	O
implementation	O
of	O
RTAS	B-Operating_System
with	O
multi-threading	B-General_Concept
support	O
and	O
improved	O
performance	O
,	O
Region	O
groups	O
,	O
Instrument	O
tracks	O
,	O
and	O
real-time	O
MIDI	O
processing	O
,	O
introduced	O
with	O
Pro	B-Application
Tools	I-Application
7	O
in	O
2006	O
;	O
VCA	O
and	O
volume	O
trim	O
,	O
introduced	O
with	O
Pro	B-Application
Tools	I-Application
7.2	O
in	O
2006	O
;	O
support	O
for	O
ten	O
track	O
inserts	B-Protocol
,	O
MIDI	O
Editor	O
,	O
and	O
MIDI	O
Score	O
,	O
introduced	O
with	O
Pro	B-Application
Tools	I-Application
8	O
in	O
2009	O
.	O
</s>
<s>
Pro	B-Application
Tools	I-Application
|	O
MIX	O
hardware	O
support	O
was	O
dropped	O
with	O
version	O
6.4.1	O
.	O
</s>
<s>
Pro	B-Application
Tools	I-Application
LE	O
,	O
first	O
introduced	O
and	O
distributed	O
in	O
1999	O
with	O
the	O
Digi	O
001	O
interface	O
,	O
was	O
a	O
specific	O
Pro	B-Application
Tools	I-Application
version	O
in	O
which	O
the	O
signal	O
processing	O
entirely	O
relied	O
on	O
the	O
host	O
CPU	O
.	O
</s>
<s>
Mbox	B-Application
was	O
the	O
entry-level	O
range	O
of	O
the	O
available	O
interface	O
;	O
Digi	O
001	O
and	O
Digi	O
002/003	O
,	O
which	O
also	O
provided	O
a	O
control	O
surface	O
,	O
were	O
the	O
upper	O
range	O
.	O
</s>
<s>
The	O
Eleven	O
Rack	O
also	O
ran	O
on	O
Pro	B-Application
Tools	I-Application
LE	O
,	O
included	O
in-box	O
DSP	O
processing	O
via	O
an	O
FPGA	B-Architecture
chip	O
,	O
offloading	O
guitar	O
amp/speaker	O
emulation	O
,	O
and	O
guitar	O
effects	O
plug-in	O
processing	O
to	O
the	O
interface	O
,	O
allowing	O
them	O
to	O
run	O
without	O
taxing	O
the	O
host	O
system	O
.	O
</s>
<s>
Pro	B-Application
Tools	I-Application
LE	O
shared	O
the	O
same	O
interface	O
of	O
Pro	B-Application
Tools	I-Application
HD	O
but	O
had	O
a	O
smaller	O
track	O
count	O
(	O
24	O
tracks	O
with	O
Pro	B-Application
Tools	I-Application
5	O
,	O
extended	O
to	O
32	O
tracks	O
with	O
Pro	B-Application
Tools	I-Application
6	O
and	O
48	O
tracks	O
with	O
Pro	B-Application
Tools	I-Application
8	O
)	O
and	O
supported	O
a	O
maximum	O
sample	O
rate	O
of	O
96kHz	O
(	O
depending	O
on	O
the	O
interface	O
used	O
)	O
.	O
</s>
<s>
Some	O
advanced	O
software	O
features	O
,	O
such	O
as	O
Automatic	O
Delay	O
Compensation	O
,	O
surround	O
mixing	O
,	O
multi-track	O
Beat	O
Detective	O
,	O
OMF/AAF	O
support	O
,	O
and	O
SMPTE	O
Timecode	O
,	O
were	O
omitted	O
.	O
</s>
<s>
Some	O
of	O
them	O
,	O
as	O
well	O
as	O
support	O
for	O
48	O
tracks/96	O
voices	O
(	O
extended	O
to	O
64	O
tracks/128	O
voices	O
with	O
Pro	B-Application
Tools	I-Application
8	O
)	O
and	O
additional	O
plug-ins	O
,	O
were	O
made	O
available	O
through	O
an	O
expansion	O
package	O
called	O
"	O
Music	O
Production	O
Toolkit	O
"	O
.	O
</s>
<s>
The	O
"	O
Complete	O
Production	O
Toolkit	O
"	O
,	O
introduced	O
with	O
Pro	B-Application
Tools	I-Application
8	O
,	O
added	O
support	O
for	O
surround	O
mixing	O
and	O
128	O
tracks	O
(	O
while	O
the	O
system	O
was	O
still	O
limited	O
to	O
128	O
voices	O
)	O
.	O
</s>
<s>
With	O
the	O
acquisition	O
of	O
M-Audio	O
in	O
2004	O
–	O
2005	O
,	O
Digidesign	O
released	O
a	O
specific	O
variant	O
of	O
Pro	B-Application
Tools	I-Application
,	O
called	O
,	O
which	O
was	O
equivalent	O
to	O
Pro	B-Application
Tools	I-Application
LE	O
and	O
could	O
be	O
run	O
with	O
M-Audio	O
interfaces	O
.	O
</s>
<s>
The	O
Pro	B-Application
Tools	I-Application
LE/	O
line	O
was	O
discontinued	O
with	O
the	O
release	O
of	O
Pro	B-Application
Tools	I-Application
9	O
.	O
</s>
<s>
Pro	B-Application
Tools	I-Application
9	O
,	O
released	O
in	O
November	O
2010	O
,	O
dropped	O
the	O
requirement	O
of	O
proprietary	B-Application
hardware	O
to	O
run	O
the	O
software	O
.	O
</s>
<s>
Any	O
audio	O
device	O
could	O
be	O
used	O
through	O
Core	B-Operating_System
Audio	I-Operating_System
on	O
macOS	B-Application
or	O
the	O
ASIO	B-Library
driver	O
on	O
a	O
Windows	B-Application
.	O
</s>
<s>
Core	B-Operating_System
Audio	I-Operating_System
allowed	O
device	O
aggregation	O
,	O
enabling	O
using	O
of	O
more	O
than	O
one	O
interface	O
simultaneously	O
.	O
</s>
<s>
Some	O
Pro	B-Application
Tools	I-Application
HD	O
software	O
features	O
,	O
such	O
as	O
automatic	O
plug-in	O
delay	O
compensation	O
,	O
OMF/AAF	O
file	O
import	O
,	O
Timecode	O
ruler	O
,	O
and	O
multi-track	O
Beat	O
Detective	O
,	O
were	O
included	O
in	O
the	O
standard	O
version	O
of	O
Pro	B-Application
Tools	I-Application
9	O
.	O
</s>
<s>
When	O
operating	O
on	O
a	O
machine	O
containing	O
one	O
or	O
more	O
HD	O
Core	O
,	O
Accel	O
,	O
or	O
Native	O
cards	O
,	O
the	O
software	O
ran	O
as	O
Pro	B-Application
Tools	I-Application
HD	O
with	O
the	O
complete	O
HD	O
feature	O
set	O
.	O
</s>
<s>
In	O
all	O
other	O
cases	O
,	O
it	O
ran	O
as	O
Pro	B-Application
Tools	I-Application
9	O
standard	O
,	O
with	O
a	O
smaller	O
track	O
count	O
and	O
some	O
advanced	O
features	O
turned	O
off	O
.	O
</s>
<s>
In	O
response	O
to	O
Apple	O
's	O
decision	O
to	O
include	O
Emagic	O
's	O
complete	O
line	O
of	O
virtual	B-Application
instruments	I-Application
in	O
Logic	B-Application
Pro	I-Application
in	O
2004	O
and	O
following	O
Avid	O
's	O
acquisition	O
of	O
German	O
virtual	B-Application
instruments	I-Application
developer	O
Wizoo	O
in	O
2005	O
,	O
Pro	B-Application
Tools	I-Application
8	O
was	O
supplied	O
with	O
its	O
first	O
built-in	O
virtual	B-Application
instruments	I-Application
library	O
,	O
the	O
AIR	O
Creative	O
Collection	O
,	O
as	O
well	O
as	O
with	O
some	O
new	O
plug-ins	O
,	O
to	O
make	O
it	O
more	O
appealing	O
for	O
music	O
production	O
.	O
</s>
<s>
In	O
October	O
2011	O
,	O
Avid	O
introduced	O
Pro	B-Application
Tools	I-Application
10	O
and	O
a	O
new	O
series	O
of	O
DSP	O
PCIe	O
cards	O
named	O
HDX	O
.	O
</s>
<s>
Each	O
card	O
mounted	O
18	O
DSP	O
processors	O
,	O
manufactured	O
by	O
Texas	O
Instruments	O
,	O
allowing	O
an	O
increased	O
computational	O
precision	O
(	O
32-bit	O
floating-point	B-Algorithm
resolution	O
for	O
audio	O
processing	O
and	O
64-bit	B-Device
floating-point	B-Algorithm
summing	O
,	O
versus	O
the	O
previous	O
24-bit	O
and	O
48-bit	O
fixed-point	O
resolution	O
of	O
the	O
TDM	B-Protocol
engine	O
)	O
,	O
thus	O
improving	O
dynamic	O
range	O
performance	O
.	O
</s>
<s>
Two	O
FPGA	B-Architecture
chips	O
handled	O
track	O
playback	O
,	O
monitoring	O
,	O
and	O
internal	O
routing	O
,	O
providing	O
a	O
lower	O
round	O
trip	O
latency	O
.	O
</s>
<s>
A	O
second	O
line	O
of	O
PCIe	O
cards	O
,	O
called	O
HD	O
Native	O
,	O
provided	O
low	O
latency	O
with	O
a	O
single	O
FPGA	B-Architecture
chip	O
but	O
did	O
n't	O
mount	O
DSP	O
(	O
audio	O
processing	O
relied	O
on	O
the	O
host	O
system	O
's	O
CPU	O
)	O
.	O
</s>
<s>
On	O
Native	O
systems	O
,	O
voice	O
count	O
was	O
limited	O
to	O
96/48/24	O
voices	O
with	O
the	O
standard	O
version	O
of	O
Pro	B-Application
Tools	I-Application
and	O
256/128/64	O
voices	O
with	O
Pro	B-Application
Tools	I-Application
HD	O
software	O
.	O
</s>
<s>
With	O
Pro	B-Application
Tools	I-Application
10	O
,	O
Avid	O
deployed	O
a	O
new	O
plug-in	O
format	O
for	O
both	O
Native	O
and	O
HDX	O
systems	O
called	O
AAX	O
(	O
an	O
acronym	O
for	O
Avid	O
Audio	O
eXtension	O
)	O
.	O
</s>
<s>
AAX	O
Native	O
replaced	O
RTAS	B-Operating_System
plug-ins	O
and	O
AAX	O
DSP	O
,	O
a	O
specific	O
format	O
running	O
on	O
HDX	O
systems	O
,	O
replaced	O
TDM	B-Protocol
plug-ins	O
.	O
</s>
<s>
AAX	O
was	O
developed	O
to	O
provide	O
the	O
future	O
implementation	O
of	O
64-bit	B-Device
plug-ins	O
,	O
although	O
32-bit	O
versions	O
of	O
AAX	O
were	O
still	O
used	O
in	O
Pro	B-Application
Tools	I-Application
10	O
.	O
</s>
<s>
TDM	B-Protocol
support	O
was	O
dropped	O
with	O
HDX	O
,	O
while	O
Pro	B-Application
Tools	I-Application
10	O
would	O
be	O
the	O
final	O
release	O
for	O
Pro	B-Application
Tools	I-Application
|	O
HD	O
Process	O
and	O
Accel	O
systems	O
.	O
</s>
<s>
Notable	O
software	O
features	O
introduced	O
with	O
Pro	B-Application
Tools	I-Application
10	O
were	O
editable	O
clip-based	O
gain	O
automation	O
(	O
Clip	O
gain	O
)	O
,	O
the	O
ability	O
to	O
load	O
the	O
session	O
's	O
audio	O
data	O
into	O
RAM	O
to	O
improve	O
transport	O
responsiveness	O
(	O
Disk	O
caching	O
)	O
,	O
quadrupled	O
Automatic	O
Delay	O
Compensation	O
length	O
,	O
audio	O
fades	O
processed	O
in	O
real-time	O
,	O
timeline	O
length	O
extended	O
to	O
24	O
hours	O
,	O
support	O
for	O
32-bit	O
float	B-Algorithm
audio	O
and	O
mixed	O
audio	O
formats	O
within	O
the	O
session	O
,	O
and	O
the	O
addition	O
of	O
Avid	O
Channel	O
Strip	O
plug-in	O
(	O
based	O
on	O
Euphonix	O
System	O
5	O
console	O
's	O
channel	O
strip	O
,	O
following	O
Avid	O
's	O
acquisition	O
of	O
Euphonix	O
in	O
2010	O
)	O
.	O
</s>
<s>
Pro	B-Application
Tools	I-Application
11	O
,	O
released	O
in	O
June	O
2013	O
,	O
switched	O
from	O
32-bit	O
to	O
64-bit	B-Device
software	O
architecture	O
with	O
new	O
audio	O
and	O
video	O
engines	O
,	O
enabling	O
the	O
application	O
and	O
plug-ins	O
to	O
fully	O
take	O
advantage	O
of	O
system	O
memory	O
.	O
</s>
<s>
Support	O
for	O
HD	O
Accel	O
systems	O
,	O
legacy	O
HD	O
interfaces	O
,	O
TDM	B-Protocol
and	O
32-bit	O
AAX	O
plug-ins	O
was	O
dropped	O
due	O
to	O
their	O
incompatibility	O
with	O
64-bit	B-Device
architecture	I-Device
.	O
</s>
<s>
A	O
free	O
starter	O
edition	O
providing	O
the	O
essential	O
features	O
of	O
Pro	B-Application
Tools	I-Application
,	O
called	O
"	O
First	O
"	O
,	O
was	O
launched	O
in	O
2015	O
and	O
discontinued	O
in	O
December	O
2021	O
for	O
being	O
"	O
unviable	O
to	O
continue	O
on	O
a	O
technical	O
level	O
"	O
.	O
</s>
<s>
Pro	B-Application
Tools	I-Application
workflow	O
is	O
organized	O
into	O
two	O
main	O
windows	B-Application
:	O
the	O
timeline	O
is	O
shown	O
in	O
the	O
Edit	O
window	O
,	O
while	O
the	O
mixer	O
is	O
shown	O
in	O
the	O
Mix	O
window	O
.	O
</s>
<s>
MIDI	O
and	O
Score	O
Editor	O
windows	B-Application
provide	O
a	O
dedicated	O
environment	O
to	O
edit	O
MIDI	O
.	O
</s>
<s>
Video	O
processing	O
is	O
GPU-accelerated	O
and	O
managed	O
by	O
the	B-Operating_System
Avid	I-Operating_System
Video	O
Engine	O
(	O
AVE	O
)	O
.	O
</s>
<s>
The	O
virtual	B-Application
mixer	I-Application
shows	O
controls	O
and	O
components	O
of	O
all	O
tracks	O
,	O
including	O
inserts	B-Protocol
,	O
sends	O
,	O
input	B-General_Concept
and	I-General_Concept
output	I-General_Concept
assignments	O
,	O
automation	O
read/write	O
controls	O
,	O
panning	O
,	O
solo/mute	O
buttons	O
,	O
arm	O
record	O
buttons	O
,	O
the	O
volume	O
fader	O
,	O
the	O
level	O
meter	O
,	O
and	O
the	O
track	O
name	O
.	O
</s>
<s>
It	O
also	O
can	O
show	O
additional	O
controls	O
for	O
the	O
inserted	O
virtual	B-Application
instrument	I-Application
,	O
mic	B-Algorithm
preamp	I-Algorithm
gain	O
,	O
HEAT	O
settings	O
,	O
and	O
the	O
EQ	O
curve	O
of	O
supported	O
plug-ins	O
.	O
</s>
<s>
Virtual	B-Application
instruments	I-Application
are	O
loaded	O
on	O
Instrument	O
tracks	O
—	O
a	O
specific	O
type	O
of	O
track	O
that	O
receives	O
MIDI	O
data	O
in	O
input	O
and	O
returns	O
audio	O
in	O
output	O
.	O
</s>
<s>
Plug-ins	O
are	O
processed	O
in	O
real-time	O
with	O
dedicated	O
DSP	B-Architecture
chips	I-Architecture
(	O
AAX	O
DSP	O
format	O
)	O
or	O
using	O
the	O
host	O
computer	O
's	O
CPU	O
(	O
AAX	O
Native	O
format	O
)	O
.	O
</s>
<s>
Audio	O
,	O
auxiliary	O
,	O
and	O
Instrument	O
tracks	O
(	O
or	O
MIDI	O
tracks	O
routed	O
to	O
a	O
virtual	B-Application
instrument	I-Application
plug-in	O
)	O
can	O
be	O
committed	O
to	O
new	O
tracks	O
containing	O
their	O
rendered	O
output	O
.	O
</s>
<s>
Virtual	B-Application
instruments	I-Application
can	O
be	O
committed	O
to	O
audio	O
to	O
prepare	O
an	O
arrangement	O
project	O
for	O
mixing	O
;	O
track	O
commit	O
is	O
also	O
used	O
to	O
free	O
up	O
system	O
resources	O
during	O
mixing	O
or	O
when	O
the	O
session	O
is	O
shared	O
with	O
systems	O
not	O
having	O
some	O
plug-ins	O
installed	O
.	O
</s>
<s>
Multiple	O
tracks	O
can	O
be	O
rendered	O
at	O
a	O
time	O
;	O
it	O
is	O
also	O
possible	O
to	O
render	O
a	O
specific	O
timeline	O
selection	O
and	O
define	O
which	O
range	O
of	O
inserts	B-Protocol
to	O
render	O
.	O
</s>
<s>
Similarly	O
,	O
tracks	O
can	O
be	O
frozen	O
with	O
their	O
output	O
rendered	O
at	O
the	O
end	O
of	O
the	O
plug-in	O
chain	O
or	O
at	O
a	O
specific	O
insert	B-Protocol
of	O
their	O
chain	O
.	O
</s>
<s>
For	O
example	O
,	O
virtual	B-Application
instruments	I-Application
can	O
be	O
frozen	O
to	O
free	O
up	O
system	O
memory	O
and	O
improve	O
performance	O
while	O
keeping	O
the	O
possibility	O
to	O
unfreeze	O
them	O
to	O
make	O
arrangement	O
changes	O
.	O
</s>
<s>
The	O
main	O
mix	O
of	O
the	O
session	O
—	O
or	O
any	O
internal	O
mix	O
bus	O
or	O
output	O
path	O
—	O
can	O
be	O
bounced	O
to	O
disk	O
in	O
real-time	O
(	O
if	O
hardware	O
inserts	B-Protocol
from	O
analog	O
hardware	O
are	O
used	O
,	O
or	O
if	O
any	O
audio	O
or	O
MIDI	O
source	O
is	O
monitored	O
live	O
into	O
the	O
session	O
)	O
or	O
offline	O
(	O
faster-than-real-time	O
)	O
.	O
</s>
<s>
Audio	O
and	O
video	O
can	O
be	O
bounced	O
together	O
to	O
a	O
MOV	B-Application
file	I-Application
;	O
video	O
is	O
transcoded	O
with	O
the	O
DNxHD	O
,	O
DNxHR	O
,	O
Apple	O
ProRes	O
,	O
and	O
H.264	B-Application
video	O
codecs	O
.	O
</s>
<s>
Session	O
data	O
can	O
be	O
partially	O
or	O
entirely	O
exchanged	O
with	O
other	O
DAWs	O
or	O
video	O
editing	O
software	O
that	O
support	O
AAF	O
,	O
OMF	B-General_Concept
,	O
or	O
MXF	O
.	O
</s>
<s>
AAF	O
and	O
OMF	B-General_Concept
sequences	O
embed	O
audio	O
and	O
video	O
files	O
with	O
their	O
metadata	O
;	O
when	O
opened	O
by	O
the	O
destination	O
application	O
,	O
session	O
structure	O
is	O
rebuilt	O
with	O
the	O
original	O
clip	O
placement	O
,	O
edits	O
,	O
and	O
basic	O
track	O
and	O
clip	O
automation	O
.	O
</s>
<s>
Track	O
contents	O
and	O
any	O
of	O
its	O
properties	O
can	O
be	O
selectively	O
exchanged	O
between	O
Pro	B-Application
Tools	I-Application
sessions	O
with	O
Import	O
Session	O
Data	O
(	O
for	O
example	O
,	O
importing	O
audio	O
clips	O
from	O
an	O
external	O
session	O
to	O
a	O
designated	O
track	O
while	O
keeping	O
track	O
settings	O
or	O
importing	O
track	O
inserts	B-Protocol
while	O
keeping	O
audio	O
clips	O
)	O
.	O
</s>
<s>
Pro	B-Application
Tools	I-Application
projects	O
can	O
be	O
synchronized	O
to	O
the	B-Operating_System
Avid	I-Operating_System
Cloud	O
and	O
shared	O
with	O
other	O
users	O
on	O
a	O
track-by-track	O
basis	O
.	O
</s>
<s>
Pro	B-Application
Tools	I-Application
reads	O
embedded	O
metadata	O
in	O
media	O
files	O
to	O
manage	O
multichannel	O
recordings	O
made	O
by	O
field	O
recorders	O
in	O
production	O
sound	O
.	O
</s>
<s>
An	O
audio	O
segment	O
can	O
be	O
replaced	O
from	O
matching	O
channels	O
(	O
for	O
example	O
,	O
to	O
replace	O
audio	O
from	O
a	O
boom	O
microphone	O
with	O
the	O
audio	O
from	O
a	O
lavalier	B-Algorithm
microphone	I-Algorithm
)	O
while	O
maintaining	O
edits	O
and	O
fades	O
in	O
the	O
timeline	O
,	O
or	O
any	O
matching	O
channels	O
can	O
be	O
added	O
to	O
new	O
tracks	O
.	O
</s>
<s>
Up	O
to	O
twelve	O
Pro	B-Application
Tools	I-Application
Ultimate	O
systems	O
with	O
dedicated	O
hardware	O
can	O
be	O
linked	O
together	O
over	O
an	O
Ethernet	O
network	O
—	O
for	O
example	O
,	O
in	O
multi-user	O
mixing	O
environments	O
where	O
different	O
mix	O
components	O
(	O
such	O
as	O
dialog	O
,	O
ADR	O
,	O
effects	O
,	O
and	O
music	O
)	O
reside	O
on	O
different	O
systems	O
,	O
or	O
if	O
a	O
larger	O
track	O
count	O
or	O
processing	O
power	O
is	O
needed	O
.	O
</s>
<s>
Pro	B-Application
Tools	I-Application
can	O
synchronize	O
to	O
external	O
devices	O
using	O
SMPTE/EBU	O
timecode	O
or	O
MIDI	O
timecode	O
.	O
</s>
<s>
Pro	B-Application
Tools	I-Application
software	O
is	O
available	O
in	O
three	O
subscription-based	O
paid	O
versions	O
(	O
Artist	O
,	O
Studio	O
and	O
Ultimate	O
)	O
and	O
one	O
free	O
version	O
(	O
Intro	O
)	O
.	O
</s>
<s>
In	O
the	O
mid-1990s	O
,	O
Digidesign	O
started	O
working	O
on	O
a	O
studio	O
device	O
that	O
could	O
replace	O
classic	O
analog	O
consoles	O
and	O
provide	O
integration	O
with	O
Pro	B-Application
Tools	I-Application
.	O
</s>
<s>
Command|8	O
(	O
2004	O
)	O
and	O
D-Command	O
(	O
2005	O
)	O
were	O
the	O
smaller	O
counterparts	O
of	O
Control	O
24	O
and	O
D-Control	O
,	O
connected	O
with	O
the	O
host	O
computer	O
via	O
USB	B-Protocol
;	O
Venue	B-Device
(	O
2005	O
)	O
was	O
a	O
similar	O
system	O
specifically	O
designed	O
for	O
live	O
sound	O
applications	O
.	O
</s>
<s>
C|24	O
(	O
2007	O
)	O
was	O
a	O
revision	O
of	O
Control	O
24	O
with	O
improved	O
preamps	O
,	O
while	O
Icon	O
D-Control	O
ES	O
(	O
2008	O
)	O
and	O
Icon	O
D-Command	O
ES	O
(	O
2009	O
)	O
were	O
redesigns	O
of	O
Icon	O
D-Control	O
and	O
D-Command	O
.	O
</s>
<s>
They	O
were	O
integrated	O
with	O
Pro	B-Application
Tools	I-Application
along	O
with	O
the	O
EuCon	O
protocols	O
.	O
</s>
<s>
Pro	B-Application
Tools	I-Application
Dock	O
(	O
2015	O
)	O
was	O
an	O
iPad-based	O
control	O
surface	O
running	O
Pro	B-Application
Tools	I-Application
Control	O
software	O
.	O
</s>
<s>
Year	O
Software	O
Hardware	O
Release	O
information1985Sound	O
DesignerMacintosh-based	O
visual	O
sample	O
editing	O
software	O
developed	O
for	O
the	O
E-Mu	O
Emulator	O
II	O
samplerdedicated	O
ports	O
of	O
the	O
original	O
software	O
were	O
subsequently	O
released	O
for	O
Emax	O
,	O
Prophet	O
2000	O
,	O
S900	O
,	O
DSS-1	O
,	O
and	O
Mirage	O
samplers1987Sound	O
Designer	O
1.5Sound	O
Acceleratoruniversal	O
version	O
with	O
enhanced	O
editing	O
features	O
through	O
Mac	B-Device
's	O
hardware	O
(	O
mix	O
,	O
crossfade	O
,	O
gain	O
and	O
equalization	O
)	O
and	O
supporting	O
a	O
variety	O
of	O
samplerscompatible	O
with	O
Sound	O
Accelerator	O
NuBus	B-Device
card	O
,	O
equipped	O
with	O
one	O
Motorola	B-General_Concept
56001	I-General_Concept
chip	O
,	O
providing	O
dedicated	O
DSP	O
hardware1989Sound	O
Toolsstereo	O
hard-disk	O
recording	O
and	O
editing	O
system	O
with	O
16-bit	O
audio	O
,	O
44.1	O
kHz	O
or	O
48	O
kHz	O
sample	O
rate	O
adopting	O
the	O
SDII	O
proprietary	B-Application
audio	O
formatrelies	O
on	O
a	O
Sound	O
Accelerator	O
NuBus	B-Device
card	O
connected	O
to	O
an	O
external	O
2-channel	O
AD	O
converter	O
and	O
Sound	O
Designer	O
II	O
software	O
running	O
on	O
Macintosh	B-Device
SE	I-Device
and	O
Mac	B-Device
IISound	O
Designer	O
IISound	O
AcceleratorAudiomedia	O
I1991Pro	O
ToolsMac-based	O
4-track	O
digital	O
production	O
system	O
handled	O
by	O
ProEdit	O
(	O
editing	O
software	O
)	O
and	O
ProDeck	O
(	O
mixing	O
software	O
)	O
MIDI	O
sequencing	O
and	O
automationProEditProDeck1992Pro	O
Tools	O
1.14	O
–	O
16	O
voices	O
support	O
in	O
mixing	O
using	O
up	O
to	O
four	O
cards/interfacesSound	O
Tools	O
IIsupport	O
for	O
Pro	O
Master	O
20	O
interface	O
with	O
20-bit	O
A/D	O
conversion1993Pro	O
Tools	O
IIediting	O
and	O
mixing	O
software	O
merged	O
in	O
a	O
single	O
application	O
called	O
Pro	B-Application
Tools	I-Application
with	O
the	O
component	O
DAE	O
(	O
Digidesign	O
Audio	O
Engine	O
)	O
4	O
voices	O
supportAudiomedia	O
II1994Pro	O
Tools	O
II	O
TDM	B-Protocol
(	O
2.5	O
)	O
TDM	B-Protocol
technology	O
enables	O
real-time	O
effects	O
to	O
run	O
as	O
software	O
plug-ins	O
;	O
up	O
to	O
4	O
NuBus	B-Device
cards	O
can	O
be	O
linked	O
togetherPro	O
Tools	O
III16	O
–	O
48	O
voices	O
on	O
NuBus-based	O
Mac	B-Device
systems	O
(	O
up	O
to	O
three	O
cards	O
linkable	O
)	O
DSP	O
Farm	O
NuBus	B-Device
card	O
equipped	O
with	O
3	O
Motorola	B-General_Concept
56001	I-General_Concept
chips	O
(	O
40	O
MHz	O
clock	O
speed	O
)	O
for	O
additional	O
processing	O
powersoftware	O
editing	O
functionality	O
improvedDSP	O
Farm1996Pro	O
Tools	O
III	O
PCI16	O
–	O
48	O
voices	O
for	O
PCI-based	O
Mac	B-Device
systems	O
(	O
up	O
to	O
3	O
cards	O
linkable	O
)	O
88x	O
series	O
interfaces	O
with	O
8	O
channels	O
I/O	B-General_Concept
,	O
16-bit	O
AD/DA	O
converters	O
,	O
AES/EBU	O
I/ODSP	O
Farm	O
PCI	B-Protocol
card	I-Protocol
equipped	O
with	O
4	O
Motorola	O
56002	O
chips	O
(	O
66	O
MHz	O
clock	O
speed	O
)	O
Pro	B-Application
Tools	I-Application
3.21888	O
I/O	B-General_Concept
,	O
882	O
I/ODSP	O
Farm1997Pro	O
Tools	O
4Pro	O
Tools	O
Project	O
CardWAV	O
and	O
QuickTime	B-Application
file	O
support	O
;	O
Sound	O
Designer	O
file	O
editing	O
features	O
integrated	O
into	O
AudioSuite	O
toolsetruns	O
on	O
Pro	B-Application
Tools	I-Application
III	O
NuBus/PCI	O
systems	O
or	O
without	O
TDM	B-Protocol
hardware	O
with	O
limitations	O
(	O
Project	O
or	O
PowerMix	O
versions	O
)	O
destructive	O
editing	O
integrated	O
,	O
fade	O
improvements	O
,	O
Strip	O
Silence	O
,	O
continuous	O
playback	O
during	O
editing	O
,	O
independently	O
resizable	O
tracks	O
,	O
up	O
to	O
26	O
track	O
groups	O
,	O
automation	O
extended	O
to	O
all	O
mixer	O
and	O
plug-in	O
parameters	O
,	O
new	O
automation	O
modesLoop	O
Record	O
,	O
Half-Speed	O
Record	O
,	O
Destructive	O
Record	O
,	O
QuickPunch	O
(	O
punch-in	O
and	O
out	O
recording	O
during	O
playback	O
)	O
Edit	O
window	O
configurations	O
can	O
be	O
saved	O
and	O
recalled	O
with	O
Memory	O
LocationsPro	O
Tools	O
|	O
2424	O
–	O
48	O
or	O
32	O
–	O
64	O
channels	O
of	O
24-bit	O
audio	O
I/O	B-General_Concept
support	O
via	O
the	O
d24	O
PCI	B-Protocol
card88x	O
interface	O
line	O
upgraded	O
with	O
24-bit	O
AD	O
converters	O
,	O
20-bit	O
DA	O
converters	O
(	O
888|24	O
)	O
,	O
20-bit	O
AD/DA	O
converters	O
(	O
882|20	O
)	O
Pro	B-Application
Tools	I-Application
4.1d24888	O
|24	O
,	O
882|201998Pro	O
Tools	O
|	O
24	O
MIX16	O
–	O
48	O
I/O	B-General_Concept
channels	O
,	O
64	O
voicesMIX	O
,	O
MIXplus	O
and	O
MIX3	O
system	O
configurations	O
with	O
one	O
MIX	O
Card	O
and	O
up	O
to	O
two	O
MIX	O
Farm	O
PCI	B-Protocol
cards	I-Protocol
equipped	O
with	O
6	O
Motorola	O
Onyx	O
chipsPro	O
Tools	O
4.3MIX	O
CardMIX	O
FarmADAT	O
Bridge	O
I/O20	O
-bit	O
digital	O
interface	O
with	O
16	O
ADAT	O
optical	O
input	O
channelsProControlfirst	O
dedicated	O
control	O
surface	O
for	O
Pro	B-Application
Tools	I-Application
using	O
Ethernet	O
connection	O
with	O
microphone	O
and	O
line	O
inputs1999Pro	O
Tools	O
5integrated	O
MIDI	O
and	O
audio	O
editing/mixing	O
,	O
MIDI	O
piano-roll	O
display	O
,	O
graphic	O
MIDI	O
velocity	O
editing	O
,	O
MIDI	O
quantizesingle-stroke	O
key	O
commands	O
for	O
editing	O
,	O
Region	O
Replace	O
,	O
floating	O
video	O
window2000Pro	O
Tools	O
LEDigi	O
001	O
(	O
LE	O
)	O
mid-level	O
recording	O
system	O
with	O
24	O
tracks	O
,	O
8	O
analog	O
I/O	B-General_Concept
channels	O
,	O
2	O
microphone	B-Algorithm
preamps	I-Algorithm
,	O
24-bit	O
AD/DA	O
,	O
digital	O
I/O	B-General_Concept
and	O
MIDIrack-mountable	O
interface	O
connected	O
with	O
a	O
PCI	B-Protocol
card	I-Protocol
running	O
a	O
new	O
feature-limited	O
software	O
line	O
(	O
"	O
Light	O
Edition	O
"	O
)	O
with	O
RTAS	B-Operating_System
host-based	O
processing	O
(	O
without	O
DSP	O
)	O
Control|	O
24touch-sensitive	O
control	O
surface	O
equipped	O
with	O
24	O
Focusrite	O
preamps2001Pro	O
Tools	O
Freefree	O
version	O
with	O
essential	O
features	O
,	O
based	O
on	O
version	O
5	O
,	O
runs	O
natively	O
on	O
OS	B-Operating_System
9	I-Operating_System
,	O
OS	O
8.6	O
,	O
Windows	B-Application
98	O
,	O
Windows	B-Application
ME8	O
audio	O
tracks	O
,	O
48	O
MIDI	O
tracks	O
,	O
RTAS	B-Operating_System
supportPro	O
Tools	O
5.1surround	O
mixing	O
,	O
Beat	O
Detective	O
(	O
TDM	B-Protocol
)	O
2002Pro	O
Tools	O
|	O
HDHD	O
software	O
and	O
hardware	O
line	O
adds	O
support	O
for	O
192	O
kHz	O
and	O
96	O
kHz	O
sample	O
rates	O
,	O
runs	O
with	O
192	O
I/O	B-General_Concept
and	O
96	O
I/O	B-General_Concept
interfaces	I-General_Concept
providing	O
32	O
–	O
96	O
I/O	B-General_Concept
channelsHD1	O
–	O
HD3	O
systems	O
are	O
based	O
on	O
one	O
HD	O
Core	O
adding	O
up	O
to	O
two	O
HD	O
Process	O
PCI-based	O
cards	O
equipped	O
with	O
9	O
Motorola	B-General_Concept
56361	I-General_Concept
DSP	B-Architecture
chips	I-Architecture
(	O
100	O
MHz	O
clock	O
speed	O
)	O
96/48/12	O
tracks	O
at	O
48/96/192	O
kHz	O
sample	O
rates	O
with	O
HD1	O
systems128/64/24	O
tracks	O
at	O
48/96/192	O
kHz	O
sample	O
rates	O
with	O
HD2/HD3	O
systemsPro	O
Tools	O
5.3.1192	O
I/O	B-General_Concept
,	O
96	O
I/OSYNC	O
,	O
MIDI	O
,	O
PREHD	O
CoreHD	O
ProcessMbox	O
(	O
LE	O
)	O
low-cost	O
USB-powered	O
audio	O
interface	O
with	O
2	O
analog	O
inputs	O
,	O
1	O
mic	B-Algorithm
preamp	I-Algorithm
,	O
S/PDIF	O
digital	O
I/O	B-General_Concept
,	O
bundled	O
with	O
Pro	B-Application
Tools	I-Application
LE	O
softwareDigi	O
002	O
(	O
LE	O
)	O
mid-level	O
FireWire	B-Protocol
audio	O
interface	O
with	O
8	O
analog	O
inputs	O
,	O
24-bit/96	O
kHz	O
converters	O
,	O
touch-sensitive	O
control	O
surface	O
,	O
running	O
Pro	B-Application
Tools	I-Application
LE	O
5.3.2	O
on	O
Windows	B-Application
XP	I-Application
and	O
Mac	B-Application
OS	I-Application
92003Pro	O
Tools	O
6support	O
for	O
Mac	B-Application
OS	I-Application
X	I-Application
platform	O
(	O
OS	B-Operating_System
9	I-Operating_System
dropped	O
)	O
,	O
GUI	B-Application
redesign	O
,	O
real-time	O
plug-in	O
insertion	O
for	O
TDM	B-Protocol
systemsRelative	O
Grid	O
mode	O
,	O
support	O
for	O
timeline	O
vertical	O
selectionDigibase	O
(	O
workspace	O
browser	O
and	O
database	O
environment	O
)	O
for	O
media/project	O
management256	O
MIDI	O
tracks	O
,	O
Groove	O
Template	O
,	O
additional	O
MIDI	O
commands	O
,	O
Import	O
Session	O
Data	O
replaces	O
Import	O
Tracksnew	O
DigiRack	O
plug-ins	O
,	O
more	O
powerful	O
LE	O
versionPro	O
Tools	O
6.1support	O
for	O
Windows	B-Application
XP	I-Application
and	O
ReWire	B-Architecture
,	O
support	O
for	O
AAFDigi	O
002	O
Rack	O
(	O
LE	O
)	O
mid-level	O
FireWire	B-Protocol
audio	O
interface	O
with	O
up	O
to	O
18	O
I/O	B-General_Concept
channels	O
,	O
4	O
mic	B-Algorithm
preamps	I-Algorithm
,	O
24-bit/96	O
kHz	O
AD/DA	O
,	O
support	O
for	O
32	O
tracks	O
with	O
Pro	B-Application
Tools	I-Application
LE	O
softwareHD	O
Accel	O
(	O
HD	O
)	O
DSP	O
cards	O
expansion	O
equipped	O
with	O
9	O
Motorola	B-General_Concept
56321	I-General_Concept
chips	O
(	O
200	O
MHz	O
clock	O
speed	O
)	O
twice	O
the	O
power	O
as	O
the	O
HD	O
Process	O
cards	O
extends	O
track	O
count	O
to	O
192/96/36	O
tracks	O
at	O
48/96/192	O
kHz	O
sample	O
rates	O
(	O
combined	O
with	O
one	O
HD	O
core	O
card	O
)	O
2004Pro	O
Tools	O
6.4	O
+12	O
dB	O
fader	O
rangesupport	O
for	O
Command	O
8	O
control	O
surface	O
,	O
Automatic	O
Delay	O
Compensation	O
,	O
TrackPunch	O
,	O
input	O
monitoring	O
on	O
single	O
tracks	O
(	O
HD	O
)	O
Pro	B-Application
Tools	I-Application
6.9160	O
auxiliary	O
tracks	O
,	O
128	O
busses	O
,	O
Surround	O
Panner	O
support	O
,	O
selectable	O
PFL/AFL	O
solo	O
paths	O
(	O
HD	O
)	O
selectable	O
solo	O
mode	O
(	O
Latch	O
or	O
X-OR	O
)	O
,	O
new	O
keyboard	O
shortcuts	O
,	O
I/O	B-General_Concept
setup	O
improvementsICON	O
D-ControlICON	O
D-Commandmodular	O
control	O
surface	O
line	O
with	O
16	O
–	O
32	O
(	O
D-Control	O
)	O
or	O
8	O
–	O
24	O
(	O
D-Command	O
)	O
touch-sensitive	O
faders	O
and	O
HD3	O
Accel	O
DSP	O
system2005Pro	O
Tools	O
standalone	O
feature-limited	O
product	O
line	O
bundled	O
with	O
M-Audio	O
interfaces	O
,	O
same	O
as	O
Pro	B-Application
Tools	I-Application
LEPro	O
Tools	O
7HD	O
Accel	O
PCIe	O
(	O
HD	O
)	O
multi-threading	B-General_Concept
RTAS	B-Operating_System
engine	O
improves	O
performance	O
on	O
multi-core	O
systems	O
,	O
support	O
for	O
10	O
sends	O
per	O
track	O
,	O
Instrument	O
tracks	O
,	O
Region	O
Groups	O
,	O
region	O
looping	O
,	O
real-time	O
MIDI	O
processing	O
,	O
new	O
session	O
format	O
with	O
Mac/PC	O
interoperability	O
;	O
160	O
I/O	B-General_Concept
at	O
96	O
kHz	O
(	O
HD	O
)	O
VENUEnew	O
line	O
of	O
modular	O
digital	O
mixing	O
consoles	O
with	O
DSP	O
and	O
integrated	O
playback	O
and	O
recording	O
with	O
Pro	O
ToolsMbox	O
2	O
(	O
LE	O
)	O
second	O
generation	O
of	O
the	O
Mbox	B-Application
USB	B-Protocol
audio	O
interface2006Pro	O
Tools	O
7.11support	O
for	O
Intel-based	B-Device
Macs	I-Device
,	O
Hybrid	O
and	O
Xpand	O
!	O
</s>
<s>
software	O
sampler	O
plug-ins	O
addedPro	O
Tools	O
7.2digital	O
VCA	O
groups	O
,	O
enhanced	O
automation	O
,	O
enhanced	O
track	O
grouping	O
system	O
,	O
extended	O
support	O
for	O
contextual	O
menus	O
,	O
Dubber	O
and	O
Field	O
Recorder	O
enhancements	O
;	O
support	O
for	O
multiple	O
Video	O
tracks	O
(	O
HD	O
)	O
Pro	B-Application
Tools	I-Application
7.3Dynamic	O
Transport	O
,	O
Windows	B-Application
Configurations	O
,	O
Key	O
Signature	O
timeline	O
ruler	O
,	O
MIDI	O
selection	O
enhancements	O
,	O
fade	O
editing	O
enhancements	O
,	O
continuously-resizable	O
tracks	O
,	O
mixer	O
configurations	O
changes	O
possible	O
without	O
stopping	O
playback	O
,	O
mouse	O
scroll	O
wheel	O
and	O
right-click	O
enhancements	O
,	O
Memory	O
Location	O
and	O
Digibase	O
enhancements	O
,	O
Signal	O
Tools	O
and	O
Time	O
Shift	O
plug-ins	O
added	O
,	O
MIDI	O
data	O
can	O
be	O
exchanged	O
with	O
Sibelius	B-Device
scoring	O
softwareMbox	O
2	O
Pro	O
(	O
LE	O
)	O
Mbox	B-Application
2	O
Mini	O
(	O
LE	O
)	O
new	O
formats/variants	O
of	O
Mbox	B-Application
22007Pro	O
Tools	O
7.4Elastic	O
Audio	O
,	O
Digibase	O
browser	O
enhancementsDigi	O
003	O
(	O
LE	O
)	O
Digi	O
003	O
Rack	O
(	O
LE	O
)	O
Mbox	B-Application
2	O
Micro	O
(	O
LE	O
)	O
portable	O
USB	B-Protocol
interface	O
with	O
mini-jack	O
stereo	O
output	O
and	O
bundled	O
with	O
Pro	B-Application
Tools	I-Application
LE	O
;	O
support	O
limited	O
to	O
44.1/48	O
kHz	O
sample	O
rates2008Pro	O
Tools	O
8revamped	O
user	O
interface	O
,	O
support	O
for	O
10	O
inserts	B-Protocol
per	O
track	O
,	O
Playlist	O
view	O
,	O
and	O
enhanced	O
track	O
compositing	O
tools	O
,	O
support	O
for	O
multiple	O
automation	O
lanes	O
view	O
,	O
Elastic	O
Pitch	O
,	O
MIDI	O
Editor	O
,	O
Score	O
Editor	O
,	O
AIR	O
Creative	O
Collection	O
;	O
Automatic	O
Delay	O
Compensation	O
on	O
sends	O
(	O
HD	O
)	O
Digi	O
003	O
Rack	O
+	O
(	O
LE	O
)	O
2009Eleven	O
Rackguitar	O
effects	O
processor	O
with	O
Pro	B-Application
Tools	I-Application
LE	O
DSPMbox	O
(	O
LE	O
)	O
Mbox	B-Application
Pro	O
(	O
LE	O
)	O
Mbox	B-Application
Mini	O
(	O
LE	O
)	O
third	O
generation	O
,	O
first	O
full	O
release	O
by	O
Avid2010Pro	O
Tools	O
8.1HEAT	O
software	O
add-on	O
(	O
HD	O
)	O
Pro	B-Application
Tools	I-Application
9	O
"	O
standard	O
"	O
version	O
replaces	O
LE	O
and	O
lines	O
,	O
gets	O
most	O
of	O
the	O
HD-only	O
software	O
features	O
,	O
and	O
can	O
be	O
run	O
on	O
native	O
systems	O
with	O
ASIO	B-Library
or	O
Core	B-Operating_System
Audio	I-Operating_System
driver	O
protocolsfull	O
HD	O
features	O
can	O
be	O
purchased	O
with	O
Complete	O
Production	O
Toolkit	O
2added	O
7.0/7.1	O
surround	O
support	O
(	O
HD	O
)	O
HD	O
I/O	B-General_Concept
,	O
HD	O
OMNI	O
,	O
HD	O
MADI	O
,	O
SYNC	O
HDHD	O
Series	O
Interfaces	O
introduced	O
(	O
replaces	O
the	O
previous	O
"	O
blue	O
"	O
HD	O
series	O
)	O
HD	O
NativePCI	O
card	O
or	O
Thunderbolt	O
interface	O
,	O
enables	O
to	O
run	O
HD	O
software	O
on	O
up	O
to	O
two	O
HD	O
(	O
or	O
HD-compatible	O
)	O
interfaces	O
with	O
low-latency	O
performance	O
and	O
without	O
DSP2011Pro	O
Tools	O
|	O
HDX96	O
voices	O
,	O
512	O
Instrument	O
tracks	O
,	O
128	O
aux	O
inputs	O
,	O
1	O
video	O
track	O
,	O
128/64/32	O
tracks	O
at	O
48/96/192	O
kHz	O
sample	O
rates	O
(	O
standard	O
version	O
)	O
256	O
–	O
768	O
voices	O
,	O
512	O
Instrument	O
tracks	O
,	O
512	O
aux	O
inputs	O
,	O
64	O
video	O
tracks	O
,	O
256	O
–	O
768	O
tracks	O
at	O
48	O
kHz	O
sample	O
rates	O
,	O
64	O
–	O
192	O
I/O	B-General_Concept
channels	O
(	O
HDX	O
systems	O
with	O
1	O
–	O
3	O
HDX	O
cards	O
)	O
HDX	O
replaces	O
HD	O
Core	O
systems	O
and	O
HD1	O
–	O
HD3	O
configurations	O
;	O
each	O
PCI	B-Protocol
card	I-Protocol
is	O
equipped	O
with	O
18	O
Texas	O
Instruments	O
DSP	B-Architecture
chips	I-Architecture
(	O
350	O
MHz	O
clock	O
speed	O
)	O
,	O
can	O
run	O
AAX	O
DSP	O
plug-insAAX	O
(	O
Avid	O
Audio	O
eXtension	O
)	O
plug-in	O
format	O
introduced	O
with	O
64-bit	B-Device
ready	O
SDK	B-Application
(	O
32-bit	O
still	O
used	O
)	O
;	O
AAX	O
DSP	O
plug-ins	O
replace	O
TDM	B-Protocol
plug-ins	O
in	O
HD	O
systems	O
,	O
RTAS	B-Operating_System
still	O
supportedimproved	O
recording	O
playback	O
performance	O
(	O
disk	O
cache	O
,	O
NAS	O
support	O
,	O
disk	O
scheduler	O
improvements	O
)	O
Clip	O
Gain	O
,	O
disk	O
cache	O
,	O
real-time	O
fades	O
,	O
4x	O
maximum	O
Automatic	O
Delay	O
Compensation	O
,	O
24-hour	O
timeline	O
,	O
support	O
for	O
mixed	O
file	O
formats	O
and	O
32-bit	O
float	B-Algorithm
resolution	O
,	O
interface	O
improvements	O
,	O
Avid	O
Channel	O
Strip	O
plug-inPro	O
Tools	O
10HDX2013Pro	O
Tools	O
11application	O
upgraded	O
with	O
64-bit	B-Device
architecture	I-Device
.	O
</s>
