<s>
In	O
signal	O
processing	O
,	O
delay	B-Algorithm
equalization	I-Algorithm
corresponds	O
to	O
adjusting	O
the	O
relative	O
phases	O
of	O
different	O
frequencies	O
to	O
achieve	O
a	O
constant	O
group	O
delay	O
,	O
using	O
by	O
adding	O
an	O
all-pass	O
filter	O
in	O
series	O
with	O
an	O
uncompensated	O
filter	O
.	O
</s>
