<s>
The	O
Levelator	B-Application
is	O
a	O
software	O
application	O
that	O
makes	O
adjustments	O
to	O
audio	O
signals	O
.	O
</s>
<s>
The	O
Levelator	B-Application
was	O
a	O
free	O
application	O
distributed	O
by	O
The	O
Conversations	O
Network	O
and	O
developed	O
by	O
Bruce	O
and	O
Malcolm	O
Sharpe	O
,	O
Norman	O
Lorrain	O
and	O
Doug	O
Kaye	O
.	O
</s>
<s>
The	O
underlying	O
code	O
was	O
originally	O
used	O
only	O
for	O
The	O
Conversations	O
Network	O
's	O
own	O
podcasts	B-Operating_System
but	O
was	O
subsequently	O
released	O
to	O
the	O
public	O
,	O
free	O
for	O
commercial	O
and	O
non-commercial	O
use	O
.	O
</s>
<s>
It	O
was	O
unveiled	O
to	O
the	O
public	O
at	O
the	O
first	O
Podcast	B-Operating_System
and	O
New	O
Media	O
Expo	O
in	O
2005	O
.	O
</s>
<s>
The	O
adjustments	O
and	O
drag-and-drop	O
workflow	O
of	O
the	O
Levelator	B-Application
make	O
it	O
a	O
valuable	O
tool	O
for	O
professional	O
and	O
non-professional	O
broadcasters	O
and	O
podcasters	O
.	O
</s>
<s>
As	O
of	O
the	O
end	O
of	O
2012	O
,	O
the	O
Levelator	B-Application
is	O
no	O
longer	O
supported	O
or	O
being	O
updated	O
by	O
The	O
Conversations	O
Network	O
.	O
</s>
<s>
When	O
OS	O
X	O
10.11	O
(	O
El	O
Capitan	O
)	O
was	O
released	O
,	O
the	O
Levelator	B-Application
was	O
found	O
to	O
be	O
incompatible	O
.	O
</s>
<s>
In	O
June	O
2020	O
,	O
a	O
64-bit	O
,	O
macOS	O
Catalina	O
version	O
of	O
The	O
Levelator	B-Application
was	O
revived	O
and	O
released	O
for	O
free	O
by	O
The	O
Conversations	O
Network	O
in	O
the	O
Mac	O
App	O
Store	O
.	O
</s>
<s>
The	O
Levelator	B-Application
adjusts	O
the	O
audio	O
levels	O
within	O
an	O
audio	O
segment	O
by	O
combining	O
traditional	O
discrete	O
compression	O
,	O
normalization	O
and	O
limiting	O
processing	O
.	O
</s>
<s>
By	O
taking	O
a	O
global	O
view	O
of	O
the	O
data	O
in	O
various	O
time	O
segments	O
(	O
both	O
long	O
and	O
short	O
)	O
,	O
the	O
Levelator	B-Application
automatically	O
balances	O
various	O
audio	O
levels	O
,	O
such	O
as	O
multiple	O
microphone	O
levels	O
in	O
an	O
interview	O
or	O
panel	O
discussion	O
,	O
or	O
segments	O
combined	O
from	O
multiple	O
sessions	O
that	O
were	O
recorded	O
at	O
different	O
levels	O
.	O
</s>
<s>
The	O
Levelator	B-Application
can	O
read	O
and	O
process	O
PCM	B-Algorithm
audio	I-Algorithm
files	O
of	O
many	O
sample	O
rates	O
and	O
resolutions	O
.	O
</s>
<s>
The	O
Levelator	B-Application
reads	O
the	O
original	O
audio	O
file	O
and	O
creates	O
a	O
new	O
audio	O
file	O
with	O
balanced	O
levels	O
and	O
a	O
uniform	O
overall	O
volume	O
level	O
that	O
is	O
then	O
saved	O
in	O
the	O
same	O
format	O
as	O
the	O
original	O
,	O
but	O
with	O
"	O
.output	O
"	O
added	O
to	O
the	O
file	O
name	O
.	O
</s>
<s>
Only	O
PCM	B-Algorithm
audio	I-Algorithm
source	O
files	O
are	O
supported	O
(	O
most	O
major	O
file	O
formats	O
,	O
including	O
WAV	O
and	O
AIFF	O
)	O
.	O
</s>
<s>
Video	O
and	O
lossy	O
compressed	O
audio	O
are	O
not	O
supported	O
,	O
encouraging	O
use	O
of	O
The	O
Levelator	B-Application
at	O
the	O
correct	O
point	O
in	O
the	O
production	O
chain	O
-	O
i.e.	O
</s>
