<s>
capella	B-Application
is	O
a	O
musical	O
notation	O
program	O
or	O
scorewriter	B-Application
developed	O
by	O
the	O
German	O
company	O
Capella	B-Application
Software	O
AG	O
(	O
formerly	O
WHC	O
)	O
,	O
running	O
on	O
Microsoft	B-Application
Windows	I-Application
or	O
corresponding	O
emulators	B-Application
in	O
other	O
operating	B-General_Concept
systems	I-General_Concept
,	O
like	O
Wine	B-Application
on	O
Linux	B-Application
and	O
others	O
on	O
Apple	B-Device
Macintosh	I-Device
.	O
</s>
<s>
Capella	B-Application
requires	O
to	O
be	O
activated	B-License
after	O
a	O
trial	O
period	O
of	O
30	O
days	O
.	O
</s>
<s>
Capella	B-Application
is	O
one	O
of	O
the	O
earliest	O
computer	O
programs	O
for	O
music	O
notation	O
and	O
has	O
a	O
relatively	O
moderate	O
price	O
compared	O
with	O
Finale	B-Application
or	O
Sibelius	B-Device
,	O
though	O
up	O
to	O
version	O
7	O
it	O
ran	O
only	O
on	O
Windows	O
.	O
</s>
<s>
Capella	B-Application
claims	O
to	O
have	O
300,000	O
users	O
for	O
the	O
music	B-Application
notation	I-Application
program	I-Application
and	O
120,000	O
for	O
the	O
OCR	O
program	O
.	O
</s>
<s>
Digital	O
sheet	O
music	O
in	O
capella	B-Application
formats	O
is	O
available	O
in	O
various	O
online	O
music	O
libraries	O
,	O
especially	O
in	O
German	O
speaking	O
areas	O
.	O
</s>
<s>
The	O
German	O
Protestant	O
hymnal	O
has	O
been	O
digitized	O
using	O
capella	B-Application
software	O
.	O
</s>
<s>
Originally	O
available	O
only	O
in	O
German	O
,	O
capella	B-Application
is	O
now	O
available	O
in	O
English	O
(	O
US	O
and	O
British	O
)	O
,	O
French	O
,	O
Dutch	O
,	O
Finnish	O
,	O
Polish	O
(	O
version	O
5.3	O
)	O
and	O
Czech	O
(	O
capella	B-Application
2008	O
)	O
.	O
</s>
<s>
The	O
current	O
version	O
is	O
Capella	B-Application
Professional	O
8.0	O
,	O
which	O
includes	O
guitar	O
chord	O
notation	O
ability	O
,	O
and	O
guitar	O
tab	O
writing	O
functions	O
,	O
in	O
addition	O
to	O
the	O
standard	O
music	O
notation	O
tools	O
.	O
</s>
<s>
A	O
capella	B-Application
start	O
program	O
is	O
offered	O
with	O
several	O
restrictions	O
for	O
a	O
lower	O
price	O
.	O
</s>
<s>
A	O
free	O
capella	B-Application
reader	O
can	O
display	O
,	O
print	O
and	O
play	O
a	O
capella	B-Application
score	O
.	O
</s>
<s>
Capella	B-Application
is	O
a	O
practically	O
oriented	O
application	O
suited	O
for	O
amateur	O
and	O
professional	O
musicians	O
alike	O
.	O
</s>
<s>
capella	B-Application
can	O
play	O
back	O
the	O
score	O
(	O
the	O
full	O
score	O
or	O
an	O
arbitrary	O
selection	O
of	O
staves	O
)	O
via	O
the	O
computer	O
's	O
sound	O
card	O
,	O
to	O
MIDI	O
devices	O
or	O
using	O
VST	B-Application
modules	O
.	O
</s>
<s>
capella	B-Application
's	O
captune	O
module	O
allows	O
to	O
select	O
the	O
output	O
channels	O
and	O
to	O
fine-tune	O
the	O
sounds	O
.	O
</s>
<s>
Live	O
voice	O
extraction	O
is	O
also	O
available	O
in	O
the	O
free	O
Reader	O
program	O
;	O
in	O
the	O
limited	O
version	O
of	O
the	O
editor	O
Capella	B-Application
start	O
,	O
such	O
live	O
voice	O
extractions	O
are	O
not	O
available	O
for	O
editing	O
.	O
</s>
<s>
The	O
following	O
modules	O
are	O
advertised	O
for	O
Capella	B-Application
7	O
(	O
February	O
2016	O
)	O
:	O
</s>
<s>
Playback	O
with	O
MIDI	O
sound	O
,	O
import/export	O
with	O
other	O
music	B-Application
software	I-Application
via	O
MusicXML	O
.	O
</s>
<s>
Cut-down	O
version	O
of	O
capella	B-Application
with	O
up	O
to	O
4	O
staves	O
per	O
line	O
,	O
up	O
to	O
2	O
voices	O
per	O
stave	O
,	O
and	O
up	O
to	O
100	O
bars	O
.	O
</s>
<s>
The	O
file	O
format	O
of	O
capella	B-Application
evolved	O
from	O
a	O
proprietary	B-Application
digital	O
encoding	O
(	O
filename	O
extension	O
*	O
.cap	O
)	O
to	O
an	O
open	O
,	O
XML	B-Protocol
text	O
based	O
format	O
called	O
CapXML	O
with	O
extension	O
*	O
.capx	O
.	O
</s>
<s>
Each	O
*	O
.capx	O
file	O
is	O
a	O
ZIP	B-General_Concept
archive	I-General_Concept
containing	O
the	O
actual	O
XML	B-Protocol
with	O
filename	O
score.xml	O
.	O
</s>
<s>
Capella	B-Application
can	O
import	O
and	O
export	O
MusicXML	O
files	O
.	O
</s>
<s>
Documentation	O
of	O
CapXML	O
and	O
the	O
binary	O
CAP	O
file	O
format	O
,	O
as	O
well	O
as	O
of	O
the	O
programming	O
interface	O
is	O
available	O
for	O
download	O
at	O
the	O
Capella	B-Application
website	O
.	O
</s>
<s>
Capella	B-Application
provides	O
a	O
programming	O
interface	O
for	O
Python	B-Language
scripts	I-Language
with	O
a	O
set	O
of	O
Python-classes	O
providing	O
the	O
capella	B-Application
object	O
hierarchy	O
.	O
</s>
<s>
Python	B-Language
scripts	I-Language
can	O
be	O
used	O
as	O
a	O
plug-in	O
to	O
the	O
capella	B-Application
program	O
or	O
run	O
stand-alone	O
,	O
i.e.	O
</s>
<s>
within	O
a	O
Capella	B-Application
editing	O
session	O
or	O
externally	O
,	O
directly	O
on	O
the	O
file	O
or	O
group	O
of	O
files	O
.	O
</s>
<s>
CapXML	O
scores	O
can	O
,	O
of	O
course	O
,	O
be	O
directly	O
processed	O
by	O
any	O
XML-aware	O
software	O
.	O
</s>
<s>
Capella-programmer	O
Bernd	O
Jungmann	O
used	O
the	O
Python	B-Language
scripting	O
to	O
produce	O
a	O
Braille-interface	O
to	O
Capella	B-Application
for	O
blind	O
users	O
with	O
a	O
refreshable	O
Braille	O
display	O
.	O
</s>
<s>
Companion	O
products	O
to	O
capella	B-Application
provide	O
Music	B-Application
OCR	I-Application
(	O
Capella	B-Application
Scan	O
,	O
which	O
uses	O
the	O
FineReader	B-Operating_System
engine	O
from	O
the	O
Russian	O
company	O
ABBYY	B-Operating_System
to	O
recognize	O
text	O
,	O
including	O
Gothic	O
letters	O
)	O
,	O
music	O
recognition	O
out	O
of	O
audio	O
files	O
(	O
Capella	B-Application
Wave	O
Kit	O
)	O
,	O
music	O
teaching	O
and	O
training	O
(	O
rondo	O
,	O
audite	O
!	O
</s>
<s>
)	O
,	O
composition	O
aids	O
(	O
tonica	O
fugata	O
,	O
with	O
automatic	O
composition	O
of	O
polyphonic	O
sets	O
,	O
canons	O
,	O
and	O
fugues	B-Algorithm
)	O
,	O
and	O
production	O
of	O
accompaniment	O
music	O
files	O
or	O
CDs	O
for	O
karaoke-like	O
uses	O
for	O
amateurs	O
and	O
professionals	O
(	O
Capella	B-Application
Playalong	O
)	O
.	O
</s>
<s>
Convert	O
scanned	O
sheet	O
music	O
into	O
a	O
capella	B-Application
score	O
for	O
editing	O
.	O
</s>
<s>
Converts	O
capella	B-Application
,	O
musicXML	O
and	O
MIDI	O
to	O
MP3	O
format	O
.	O
</s>
<s>
Add	O
a	O
three	O
-	O
or	O
four-part	O
harmonisation	O
to	O
a	O
melody	O
,	O
compose	O
a	O
canon	O
fugue	B-Algorithm
on	O
a	O
given	O
melody	O
,	O
analyse	O
the	O
harmonies	O
in	O
a	O
given	O
work	O
.	O
</s>
<s>
Before	O
capella	B-Application
,	O
there	O
was	O
tonica	O
,	O
a	O
program	O
to	O
analyse	O
musical	O
notation	O
.	O
</s>
<s>
Since	O
some	O
people	O
used	O
tonica	O
mainly	O
to	O
print	O
musical	O
scores	O
,	O
the	O
idea	O
for	O
a	O
scorewriter	B-Application
was	O
born	O
.	O
</s>
<s>
The	O
first	O
version	O
was	O
published	O
in	O
1992	O
as	O
a	O
program	O
named	O
"	O
Allegro	O
"	O
,	O
running	O
under	O
MS-DOS	B-Application
with	O
its	O
own	O
graphical	O
interface	O
.	O
</s>
<s>
Since	O
the	O
name	O
was	O
already	O
taken	O
,	O
the	O
name	O
had	O
to	O
be	O
changed	O
-	O
taking	O
the	O
name	O
from	O
the	O
brightest	O
star	O
in	O
the	O
constellation	O
Auriga	O
,	O
Capella	B-Application
.	O
</s>
<s>
The	O
first	O
real	O
capella	B-Application
is	O
version	O
1.01	O
dated	O
15	O
May	O
1992	O
.	O
</s>
<s>
Version	O
1.5	O
was	O
the	O
last	O
MS-DOS	B-Application
Version	O
,	O
published	O
in	O
1993	O
.	O
</s>
<s>
The	O
only	O
alternative	O
back	O
then	O
was	O
the	O
much	O
more	O
expensive	O
Finale	B-Application
on	O
Atari	B-Device
ST	I-Device
or	O
Macintosh	B-Device
,	O
or	O
since	O
1993	O
Sibelius	B-Device
on	O
Acorn	O
Computers	O
.	O
</s>
<s>
Version	O
2	O
used	O
Windows	B-Application
3.1	I-Application
.	O
</s>
<s>
The	O
file	O
format	O
changed	O
to	O
another	O
proprietary	B-Application
binary	O
format	O
with	O
extension	O
CAP	O
.	O
</s>
<s>
This	O
binary	O
file	O
format	O
was	O
kept	O
,	O
until	O
the	O
XML-based	O
format	O
CapXML	O
1.0	O
with	O
extension	O
CAPX	O
was	O
introduced	O
.	O
</s>
<s>
Capella	B-Application
has	O
always	O
used	O
and	O
uses	O
copy	O
protection	O
;	O
initially	O
by	O
requiring	O
the	O
installation	O
CD	O
to	O
be	O
in	O
the	O
CD	O
reader	O
,	O
today	O
by	O
requiring	O
activation	O
(	O
after	O
a	O
trial	O
period	O
of	O
30	O
days	O
)	O
.	O
</s>
<s>
The	O
name	O
was	O
changed	O
to	O
"	O
capella-software	O
GmbH	O
"	O
in	O
the	O
fall	O
of	O
2002	O
,	O
changing	O
the	O
legal	O
form	O
from	O
GmbH	O
to	O
AG	O
(	O
Aktiengesellschaft	O
)	O
in	O
March	O
2011	O
.	O
</s>
<s>
Version	O
8	O
,	O
published	O
in	O
late	O
2017	O
,	O
is	O
a	O
major	O
rewrite	O
of	O
the	O
program	O
using	O
the	O
Qt	B-Language
,	O
a	O
cross-platform	B-Operating_System
application	B-Application
framework	I-Application
and	O
widget	B-Library
toolkit	I-Library
,	O
which	O
made	O
possible	O
the	O
publication	O
of	O
a	O
version	O
for	O
macOS	B-Application
,	O
i.e.	O
</s>
<s>
Apple	B-Device
Macintosh	I-Device
.	O
</s>
<s>
The	O
Reader	O
8	O
,	O
using	O
the	O
Qt	B-Language
platform	O
,	O
had	O
already	O
been	O
released	O
March	O
29	O
,	O
2016	O
,	O
20	O
months	O
before	O
the	O
main	O
program	O
.	O
</s>
