<s>
Final	B-Application
Scratch	I-Application
is	O
a	O
DJ	O
tool	O
created	O
by	O
the	O
Dutch	O
company	O
N2IT	O
with	O
input	O
from	O
Richie	O
Hawtin	O
(	O
aka	O
Plastikman	O
)	O
and	O
John	O
Acquaviva	O
that	O
allows	O
manipulation	O
and	O
playback	O
of	O
digital	O
audio	O
sources	O
using	O
traditional	O
vinyl	O
and	O
turntables	O
.	O
</s>
<s>
Final	B-Application
Scratch	I-Application
uses	O
special	O
vinyl	O
records	O
pressed	O
with	O
a	O
digital	O
timecode	O
,	O
which	O
are	O
then	O
played	O
on	O
normal	O
turntables	O
.	O
</s>
<s>
Final	B-Application
Scratch	I-Application
offers	O
the	O
ability	O
to	O
play	O
audio	O
tracks	O
unavailable	O
on	O
vinyl	O
e.g.	O
</s>
<s>
pre-arranged	O
loops	B-Application
,	O
unreleased	O
music	O
or	O
rare	O
tracks	O
.	O
</s>
<s>
Furthermore	O
,	O
it	O
allows	O
the	O
use	O
of	O
CD	B-Device
deck	O
features	O
(	O
software	O
permitting	O
)	O
such	O
as	O
keylock	O
,	O
pitch	O
shift	O
,	O
looping	B-Application
,	O
instant	O
cue	O
locating	O
and	O
visual	O
indicators	O
of	O
audio	O
features	O
such	O
as	O
loud	O
or	O
quiet	O
parts	O
,	O
and	O
the	O
ability	O
to	O
prevent	O
needle	O
skips	O
on	O
the	O
vinyl	O
being	O
reflected	O
in	O
the	O
playback	O
of	O
the	O
audio	O
track	O
being	O
played/controlled	O
(	O
software	O
permitting	O
)	O
.	O
</s>
<s>
However	O
,	O
it	O
comes	O
at	O
the	O
expense	O
of	O
reliability	O
;	O
depending	O
on	O
the	O
hardware/software	O
configuration	O
used	O
,	O
vinyl	O
emulation	O
systems	O
may	O
use	O
more	O
system	O
resources	O
than	O
some	O
laptops	O
or	O
PCs	B-Device
offer	O
,	O
making	O
them	O
unsuitable	O
for	O
this	O
use	O
.	O
</s>
<s>
The	O
original	O
Final	B-Application
Scratch	I-Application
concept	O
and	O
prototypes	O
were	O
developed	O
by	O
the	O
Dutch	O
company	O
N2IT	O
V.O.F	O
,	O
by	O
Mark-Jan	O
Bastian	O
,	O
with	O
help	O
from	O
Tim	O
Hemel	O
and	O
Bill	O
Squire	O
.	O
</s>
<s>
Final	B-Application
Scratch	I-Application
was	O
originally	O
developed	O
for	O
BeOS	B-Application
.	O
</s>
<s>
All	O
versions	O
of	O
Final	B-Application
Scratch	I-Application
1	O
use	O
the	O
same	O
Scratchamp	O
,	O
a	O
USB	B-Protocol
and	O
RCA	B-Protocol
device	O
in	O
a	O
round	O
aluminium	O
shell	O
.	O
</s>
<s>
However	O
,	O
the	O
same	O
chipset	O
was	O
being	O
used	O
in	O
several	O
other	O
USB	B-Protocol
audio	O
devices	O
manufactured	O
by	O
companies	O
like	O
Griffin	O
and	O
Roland	O
at	O
that	O
time	O
.	O
</s>
<s>
FS	O
1.0	O
was	O
released	O
for	O
PC	O
only	O
,	O
on	O
a	O
specially	O
modified	O
distribution	O
of	O
Debian	O
Linux	B-Application
.	O
</s>
<s>
It	O
was	O
relatively	O
primitive	O
but	O
some	O
users	O
found	O
that	O
,	O
if	O
configured	O
correctly	O
,	O
it	O
outperformed	O
all	O
subsequent	O
versions	O
of	O
Final	B-Application
Scratch	I-Application
1.x	O
.	O
</s>
<s>
With	O
version	O
1.1	O
,	O
Stanton	O
Magnetics	O
began	O
working	O
with	O
Native	O
Instruments	O
on	O
the	O
software	O
side	O
of	O
the	O
product	O
,	O
which	O
became	O
Traktor	B-Application
Final	B-Application
Scratch	I-Application
.	O
</s>
<s>
As	O
the	O
name	O
suggests	O
,	O
this	O
bore	O
a	O
resemblance	O
to	O
the	O
interface	O
of	O
Traktor	B-Application
,	O
a	O
Native	O
Instruments	O
software	O
DJing	O
product	O
.	O
</s>
<s>
This	O
version	O
was	O
once	O
again	O
available	O
on	O
Linux	B-Application
,	O
but	O
was	O
also	O
ported	O
to	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
.	O
</s>
<s>
The	O
next	O
major	O
revision	O
was	O
version	O
1.5	O
,	O
which	O
added	O
a	O
Windows	B-Application
XP	I-Application
version	I-Application
,	O
but	O
dropped	O
Linux	B-Application
support	O
.	O
</s>
<s>
This	O
version	O
also	O
added	O
the	O
ability	O
to	O
keep	O
the	O
pitch	O
of	O
the	O
record	O
constant	O
whilst	O
shifting	O
the	O
tempo	B-Application
.	O
</s>
<s>
The	O
interface	O
changed	O
very	O
little	O
,	O
but	O
some	O
users	O
initially	O
had	O
issues	O
with	O
the	O
Windows	B-Application
Scratchamp	O
drivers	O
.	O
</s>
<s>
Support	O
for	O
the	O
original	O
Scratchamp	O
has	O
all	O
but	O
since	O
disappeared	O
and	O
current	O
owners	O
,	O
disappointed	O
by	O
the	O
lack	O
of	O
support	O
by	O
Stanton	O
,	O
have	O
had	O
to	O
rely	O
on	O
old	O
versions	O
of	O
Traktor	B-Application
FS	O
or	O
Digiscratch	O
.	O
</s>
<s>
Stanton	O
added	O
an	O
ASIO	B-Library
driver	O
,	O
and	O
MIDI	O
capabilities	O
.	O
</s>
<s>
They	O
also	O
replaced	O
the	O
USB	B-Protocol
interface	O
with	O
FireWire	B-Protocol
which	O
was	O
intended	O
to	O
reduce	O
playback	O
latency	O
.	O
</s>
<s>
The	O
version	O
2	O
Scratchamp	O
is	O
compatible	O
with	O
Native	O
Instruments	O
Traktor	B-Application
DJ	I-Application
Studio	I-Application
versions	O
2.6	O
and	O
through	O
3.2.0.85	O
(	O
Mac	O
)	O
.	O
</s>
<s>
NI	O
has	O
dropped	O
support	O
of	O
SA2	O
in	O
favor	O
of	O
their	O
own	O
vinyl	O
system	O
Traktor	B-Application
Scratch	I-Application
.	O
</s>
<s>
Stanton	O
still	O
markets	O
the	O
ScratchAmp	O
hardware	O
as	O
part	O
of	O
Final	B-Application
Scratch	I-Application
Open	O
,	O
introduced	O
in	O
early	O
2007	O
.	O
</s>
<s>
Stanton	O
claims	O
that	O
the	O
ScratchAmp	O
can	O
now	O
interact	O
with	O
any	O
audio	O
software	O
through	O
ASIO	B-Library
or	O
WDM	B-Application
on	O
Windows	B-Application
,	O
and	O
CoreAudio	B-Operating_System
in	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
.	O
</s>
<s>
Although	O
all	O
Windows	B-Application
and	O
Mac	O
audio	O
software	O
is	O
ostensibly	O
compatible	O
with	O
Final	B-Application
Scratch	I-Application
Open	O
,	O
there	O
is	O
no	O
dedicated	O
software	O
program	O
for	O
deejaying	O
with	O
the	O
ScratchAmp	O
hardware	O
.	O
</s>
<s>
The	O
internal	O
workings	O
of	O
Final	B-Application
Scratch	I-Application
are	O
quite	O
simple	O
to	O
understand	O
.	O
</s>
<s>
Multiple	O
open	O
source	O
software	O
libraries	O
have	O
been	O
created	O
to	O
decode	O
the	O
Final	B-Application
Scratch	I-Application
time	O
code	O
.	O
</s>
<s>
A	O
basic	O
Final	B-Application
Scratch	I-Application
setup	O
consists	O
of	O
five	O
pieces	O
of	O
equipment	O
.	O
</s>
<s>
The	O
ScratchAmp	O
is	O
a	O
FireWire	B-Protocol
(	O
FS	O
2	O
,	O
FS	O
Open	O
)	O
or	O
USB	B-Protocol
(	O
FS	O
1	O
)	O
audio	O
device	O
.	O
</s>
<s>
It	O
has	O
two	O
phono/line	O
stereo	O
level	O
inputs	O
to	O
read	O
the	O
timecode	O
from	O
the	O
record	O
or	O
the	O
CD	B-Device
,	O
and	O
two	O
line	O
level	O
stereo	O
outputs	O
to	O
feed	O
into	O
the	O
audio	O
DJ	O
mixer	O
line	O
channels	O
.	O
</s>
<s>
It	O
communicates	O
with	O
a	O
PCusually	O
a	O
laptopover	O
the	O
FireWire	B-Protocol
or	O
USB	B-Protocol
connection	O
.	O
</s>
<s>
The	O
laptop	O
uses	O
Final	B-Application
Scratch	I-Application
compatible	O
software	O
(	O
typically	O
Traktor	B-Application
DJ	I-Application
Studio	I-Application
)	O
to	O
interpret	O
the	O
timecode	O
signal	O
from	O
the	O
supplied	O
special	O
vinyl/CD	O
,	O
then	O
play	O
back	O
a	O
digital	O
audio	O
file	O
based	O
on	O
that	O
signal	O
,	O
allowing	O
traditional	O
DJ	O
vinyl	O
control	O
of	O
MP3	O
,	O
WAV	O
and	O
Apple	O
AAC	O
audio	O
files	O
.	O
</s>
<s>
The	O
Laptop	O
software	O
then	O
sends	O
audio	O
data	O
back	O
,	O
over	O
the	O
same	O
FireWire/USB	O
connection	O
to	O
the	O
scratch	O
amp	O
,	O
which	O
then	O
sends	O
an	O
audio	O
signal	O
out	O
through	O
the	O
line	O
level	O
output	O
,	O
for	O
playing	O
through	O
a	O
DJ	O
Mixer	O
or	O
Amp	O
.	O
</s>
<s>
A	O
step	O
by	O
step	O
series	O
of	O
events	O
detailing	O
how	O
Final	B-Application
Scratch	I-Application
operates	O
;	O
</s>
<s>
The	O
most	O
complex	O
piece	O
of	O
the	O
Final	B-Application
Scratch	I-Application
setup	O
is	O
the	O
code	O
pressed	O
onto	O
the	O
vinyl	O
.	O
</s>
