Skip to main content
EURASIP Journal on Advances in Signal Processing

Table 1 Computational effort

From: Efficient multichannel acoustic echo cancellation using constrained tap selection schemes in the subband domain

Operation

3DM

SPU

FEA

DEA

PUNLMS

# Adds

KR

3K R

0

6K R+1

4Q N+3K R−K

# Mults

0

2K R

KR

3K R+2

4Q N+2K R+3K

# Divs

0

0

0

2

K

# Comps

N log2N

K R log2(K R)

K R(2 log2L + 2)

K R(2 log2L + 3) + 1

0

  1. Number of operations per frame for implementing the different tap selection schemes and for updating the MAEC filters using the PUNLMS algorithm
Back to article page