Computer Accessories User Manual

TU Dresden, 4/29/2008 Slide 11
chair
What are the typical DSP algorithms?
 The Sum of Products (SOP) is the key element in
most DSP algorithms:
0
() ( )
M
k
k
yn a xn k
=
=
−
∑
∑∑
==
−+−=
N
k
k
M
k
k
knybknxany
10
)()()(
∑
=
−=
N
k
knhkxny
0
)()()(
∑
−
=
−=
1
0
])/2(exp[)()(
N
n
nkNjnxkX π
() ()
∑
−
=
⎥
⎦
⎤
⎢
⎣
⎡
+=
1
0
12
2
cos).().(
N
x
xu
N
xfucuF
π
Discrete Cosine Transform
Discrete Fourier Transform
Convolution
Infinite Impulse Response Filter
Finite Impulse Response Filter
EquationAlgorithm