Báo cáo hóa học: " Robust Distant Speech Recognition by Combining Multiple Microphone-Array Processing with Position-Dependent CMN" ppt
Báo cáo hóa học: " Robust Distant Speech Recognition by Combining Multiple Microphone-Array Processing with Position-Dependent CMN" ppt
... Applied Signal Processing
Volume 2006, Article ID 95491, Pages 1–11
DOI 10.1155/ASP/2006/95491
Robust Distant Speech Recognition by Combining Multiple
Microphone-Array Processing with Position-Dependent ... June 2006
We propose robust distant speech recognition by combining multiple microphone-array processing with position-dependent cep-
stral me...
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... an example to illustrate that the resulting
8
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... estimator robust by re-
placing the square with something else, without touching the
summation sign [11]. However, the key issue is to prevent
outliers from having any influence at all on the result.
Robust ... inliers is Gaus-
sian with zero mean and standard deviation σ, the residues
follow a χ
2
1
distribution with 1 degree of freedom. Taking, for
8 EURASIP Journal on Applied Si...
Báo cáo hóa học: " Dual-Channel Speech Enhancement by Superdirective Beamforming" doc
... properly
cited.
1. INTRODUCTION
Speech enhancement by beamforming exploits spatial diver-
sity of desired speech and interfering speech or noise sources
by combining multiple noisy input signals. ... target
speech was mixed with interferers from other directions. The
speech quality was then determined by applying the resulting
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... sessions completed by the
subjects with SCI over the 12-week training period was 50
(SD = 6.57, range = 30-58). A total of 42 subjects with SCI
walked with a walker, 3 with a cane, and 6 with forearm
crutches. ... groups: treadmill with manual assistance (TM), treadmill with electrical stimulation
(TS), overground with electrical stimulation (OG), treadmill with locomotor...
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... pathology
of the lung documented by imaging or histology, evidence
of causation by asbestos (by exposure history, by histo-
logic demonstration of asbestos bodies, or by other
means), an appropriate ... AL. This was accom-
plished by a systematic search of autopsy records and by
requesting specific records on patients with asbestos expo-
sure who had been referred by a region...
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... sup-
ported by a sample of 1, 151 surgical patients. Rothen-
fluh et al. [20] proposed a different three-item pain
short version that had two items in common with the
version proposed by Davis et ... patient opinions, and the
scale was validated by also considering patients with hip
OA. Therefore, we selected the function short scale pro-
posed by Tubach et al. [11].
The validatio...
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... of
500 × 500 with two sensors placed in the middle of the
field separated by a horizontal distance d.Weassume
that the sensor measurements are given by the propaga-
tion model in Sect. II, with
λ
v
= ... λ
v
(ln
σ
2
S
γ
c
−
d
λ
c
)=2
a
(30)
Equation 30 is an ellipse with general equation
x
2
a
2
+
y
2
a
2
−
d
2
4
=1
.
(31)
andthereforetheareacoveredbyasensorthatuses
the CD is given...
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... y versus γ
O
with
respect to φ (
p
s
= p
r
= 50 mW, σ
2
= 10
−11
,BER= 1e −5).
Using Proposition 4, we may eliminate one of variables
p
s
, p
r
by setting the equality of (10). With this, we ... transmission
power limit of
p. In a single link (without cooperative
diversity scheme), the throughput of user j using subcarrier
i,denotedbyR
ij
,isgivenby
R
ij
= W log
2
1+a · G
ij
p
ij
,(...
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