Accès ouvert
2020
article
OpenAlex
A. Tumasyan, W. Adam, M. Dragicevic, A. Escalante Del Valle et autres
Abstract We describe a method to obtain point and dispersion estimates for the energies of jets arising from b quarks produced in proton–proton collisions at an energy of $$\sqrt{s}=13\,\text {TeV} $$ s=13TeV at the CERN LHC. The algorithm is trained on a …
am, at, be, br
(code pays fourni par la source)
2003
conference-paper
OpenAlex
S. Wang, A. Gersho
A phonetically based segmentation of speech is performed to classify segments into five classes: onset, unvoiced low-pass voiced, steady-state voiced, and transient voiced. The segment lengths are constrained to an integer multiple of a unit-frame. For each segment class, a distinctive coding …
us
(code pays fourni par la source)
2002
conference-paper
OpenAlex
S. Wang, A. Gersho
Techniques for combating two types of distortion that degrade the quality of vector excitation coded (VXC) speech are presented. One degradation, the presence of noiselike components between the intended harmonics in voiced speech segments, is reduced by adaptive comb filtering, controlled by …
us
(code pays fourni par la source)
1992
article
OpenAlex
S. Wang, A. Sekey, A. Gersho
A perceptually motivated objective measure for evaluating speech quality is presented. The measure, computed from the original and coded versions of an utterance, exhibits statistically a monotonic relationship with the mean opinion score, a widely used criterion for speech coder assessment. For …
us
(code pays fourni par la source)
1992
conference-paper
OpenAlex
S. Wang, A. Gersho
Several major modifications to the phonetically segmented vector excitation coding (PS-VXC) coder by the authors (1989, 1990) reported previously have resulted in enhanced speech quality while reducing the delay, complexity, and bit rate. Speech is segmented into variable-length phonetic classes and a …
us
(code pays fourni par la source)
1991
conference-paper
OpenAlex
S. Wang, A. Sekey, A. Gersho
A novel perceptually motivated objective measure for estimating the subjective quality of coded speech is presented. It takes into account auditory frequency warping (Bark transformation), critical-band integration, amplitude sensitivity variations with frequency, and conversion from loudness level to loudness. For each 10 …
us
(code pays fourni par la source)