<s>
Ecasound	B-Language
is	O
a	O
hard-disk	O
recording	O
and	O
audio	B-Algorithm
processing	I-Algorithm
tool	O
for	O
Unix-like	B-Operating_System
computer	B-General_Concept
operating	I-General_Concept
systems	I-General_Concept
including	O
Linux	B-Application
,	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
,	O
and	O
FreeBSD	B-Operating_System
.	O
</s>
<s>
Ecasound	B-Language
allows	O
flexible	O
interconnection	O
of	O
audio	O
inputs	O
,	O
files	O
,	O
outputs	O
,	O
and	O
effects	O
algorithms	O
,	O
realtime-controllable	O
by	O
builtin	O
oscillators	O
,	O
MIDI	O
,	O
or	O
interprocess	O
communication	O
via	O
GUI	O
front-end	O
.	O
</s>
<s>
Ecasound	B-Language
supports	O
JACK	B-Application
and	O
LADSPA	B-Language
effects	O
plug-ins	O
.	O
</s>
<s>
Kai	O
joined	O
the	O
project	O
in	O
1995	O
,	O
when	O
it	O
was	O
called	O
wavstat	O
,	O
a	O
simple	O
DSP	B-General_Concept
utility	O
running	O
under	O
OS/2	O
.	O
</s>
<s>
Available	O
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
,	O
Ecasound	B-Language
is	O
free	B-Application
software	I-Application
.	O
</s>
<s>
Ecasound	B-Language
is	O
a	O
command-line	O
tool	O
:	O
it	O
does	O
not	O
include	O
a	O
native	O
graphical	O
interface	O
.	O
</s>
<s>
EcaEnveloptor	O
–	O
Creates	O
envelopes	O
for	O
ecasound	B-Language
objects	O
,	O
requires	O
PyGTK	B-Language
&	O
pyecasound	O
.	O
</s>
<s>
EMi	O
(	O
Ecasound	B-Language
Mastering	O
interface	O
)	O
–	O
virtual	O
rack-mount	O
effect	O
.	O
</s>
<s>
GTK	B-Application
based	O
.	O
</s>
<s>
Visecas	O
–	O
Preserves	O
Ecasound	B-Language
semantics	O
:	O
edits	O
chains	O
&	O
audio	O
objects	O
,	O
not	O
tracks/regions	O
.	O
</s>
<s>
GTK+	B-Application
-based	O
.	O
</s>
