Dynamic Acoustic Levitator Based On Subwavelength Aperture Control
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Science"
DOI: 10.1002/advs.202100888
Abstract: Abstract Acoustic levitation provides a means to achieve contactless manipulation of fragile materials and biological samples. Most acoustic levitators rely on complex electronic hardware and software to shape the acoustic field and realize their dynamic… read more here.
Keywords: levitator; levitator based; subwavelength aperture; acoustic levitator ... See more keywords
Dynamic Ultrasound Projector Controlled by Light
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Science"
DOI: 10.1002/advs.202104401
Abstract: Abstract Dynamic acoustic wavefront control is essential for many acoustic applications, including biomedical imaging and particle manipulation. Conventional methods are either static or in the case of phased transducer arrays are limited to a few… read more here.
Keywords: ultrasound projector; controlled light; dynamic ultrasound; dynamic acoustic ... See more keywords
Dynamic acoustic fields for size selective particle separation on centimeter scale
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2020.115723
Abstract: Abstract Dynamic acoustic fields offer an interesting alternative for acoustic standing-wave fields in acoustic separation applications. This paper reports on an investigation of two methods for generating dynamic acoustic fields and their applicability for selective… read more here.
Keywords: separation; acoustic fields; dynamic acoustic; particle separation ... See more keywords
Dynamic acoustic focusing in photoacoustic transmitter
Sign Up to like & getrecommendations! Published in 2021 at "Photoacoustics"
DOI: 10.1016/j.pacs.2020.100224
Abstract: Abstract Photoacoustic transmitter represents a promising substitute for conventional piezoelectric counterparts. However, lack of easy and effective method for dynamically manipulating the focused acoustic field is a common and tricky problem faced by current photoacoustic… read more here.
Keywords: acoustic focusing; photoacoustic transmitter; transmitter; focusing photoacoustic ... See more keywords
Spoofing Detection in Automatic Speaker Verification Systems Using DNN Classifiers and Dynamic Acoustic Features
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Neural Networks and Learning Systems"
DOI: 10.1109/tnnls.2017.2771947
Abstract: With the development of speech synthesis technology, automatic speaker verification (ASV) systems have encountered the serious challenge of spoofing attacks. In order to improve the security of ASV systems, many antispoofing countermeasures have been developed.… read more here.
Keywords: detection; acoustic features; hll; method ... See more keywords