Digital Signal Processing Reference
In-Depth Information
μ, σ
Feature
Extraction
MLP
1
normalization
H
∗
T
(
−
t
)
speech
DM
b
(
t
)
a
(
t
)
e
(
t
)
b
(
t
)
b
(
t
)
a
(
t
)
e
(
t
)
y
(
t
)
channel
matched
filter
a
(
t
)
e
(
t
)
z
(
t
)
/baaab/
SLP
2
SRC
COD
CONF
H
(
t
)
x
(
t
)
q
(
t
)
x
(
t
)
x
(
t
)
x
(
t
)
source
sequence
transmit
signal
windowing
MIMO
channel
received
signal
TRANSMITTER
CHANNEL
RECEIVER
Fig. 6.1.
The top of the figure (feature extraction, normalization and
MLP
1) together with
SLP
2 corresponds to the hierarchical
scheme. The bottom of the figure together with
SLP
2 refers to the phoneme communication system.
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