Báo cáo hóa học: " Research Article Subspace-Based Noise Reduction for Speech Signals via Diagonal and Triangular Matrix Decompositions: Survey and Analysis" docx
... FX
∼
n1
and functions δ
i
, i 0, 1, ,n,suchthat
δ
i
jδ
j
i
for j ∈ X δ
n
m
is a Kronecker symbol: δ
n
m
1ifm n ,and
n
m
0ifm
/
n,forma
basis of this linear space. S o, for all ... equivalent to det
A
/
0
for M n. In this case, we can easily get an expression for Green’s function in representation
5.5 from the Kramer formula or from the formula for u ...
... bit rates. Therefore, we
have just used PESQ for quality comparison between various
bit rates and not for an estimate of MOS. The material used
for the PESQ test is a 3-minute long speech signal ... Ghaemmaghami and M. Deriche, “A new approach to
modeling excitation in very low-rate speech coding,” in
Proceedings of International Conference on Acoustics, Speech
and Acoustics...
... complement for representing the weights and biases.
F32, 32-bit floating point for representing the weights and biases. F64, 64-bit floating point for representing the weights and biases.
evaluation and ... floating-point and fixed-point representations for the trained weights and biases with PA scheme using (a) ABT and
(b) SBT; and with PRA scheme using (c) ABT and (d)...
... some
threshold.
2.3. Approximating Distortion Artifacts and Noise Reduction.
The distor tion artifacts and noise reduction cannot be
evaluated without separating the kick and bleed components
of the signal. The ... attack, release, and hold to
change the strength of the gate.
The automatic noise gate algorithm is now investigated
for a range of required bleed reductions,...
... phase noise problem for uncoded
and coded systems in Sections 5 and 6, respectively. Finally,
Section 7 provides numerical results and Section 8 wraps up
the paper.
2. Channel Model
2.1. Phase Noise ... results form
Figures 1 and 2 are for an uncoded setup, whereas Figures 3
and 4 pertain to a coded system. In this latter case, a rate-
1/2 16-state recursive convolutional co...
... Processing
Volume 2007, Article ID 92953, 24 pages
doi:10.1155/2007/92953
Research Article
Subspace-Based Noise Reduction for Speech Signals
via Diagonal and Triangular Matrix Decompositions:
Survey and Analysis
Per ... Moonen
We survey the definitions and use of rank-revealing matrix decompositions in single-channel noise reduction algorithms for...
... may be adopted for their simplic-
ity. However, in broadband applications strong colored noise
sources can severely limit the performance of single-carrier
systems and demand for adequate signal ... studies,
we will also analyze the performance of the proposed receiver
considering colored background noise for LV power lines and
corona noise [19, 20] for HV power lines.
Moreo...
... snap-
shots, and (
·)
T
stands for the transpose operation. We make
the following assumptions: the signal waveforms are station-
ary; both temporally and spatially, and the signals and noise
are ... RMSE and CRB versus snapshots for deterministic maxi-
mum likelihood (DML), music, and proposed method, two targets
in measured underwater noise, SNR
= 0dB.
for received add...
... permutation matrix containing only
one non-zero element per line and column. Therefore, the
columns of E
−†
H
= QZ match those of Q to within scale and
permutation and a straightforward estimation ... C
1
and C
2
.
No improvement was considered for the original
EVESPA. As expected, the performance of the proposed
procedure is at its worse for low values of M and G where it is...
... of Inequalities and Applications
Volume 2011, Article ID 434175, 7 pages
doi:10.1155/2011/434175
Research Article
Strong Converse Inequality for
a Spherical Operator
Shaobo Lin and Feilong Cao
Institute ... together with 2.13 and 2.10 yields 2.12. Then we can deduce 2.9
from 2.12 and 2.10 easily. Therefore 2.8 holds. This completes the proof of Theorem 1.1.
Ackno...