Applied Physicist Robert G.W. Brown to Join American Institiute of Physics as CEO.
New Officers and Members of the Executive Council have been elected.
The Journal of the Acoustical Society of America (JASA) will publish a second special issue on Acoustic Metamaterials and is currently accepting manuscripts for a Special Issue entitled “Acoustic and Related Waves in Extraterrestrial Environments.”
A characterization of the voice source (VS) signal by the pitch synchronous (PS) discrete cosine transform (DCT) is proposed. With the integrated linear prediction residual (ILPR) as the VS estimate, the PS DCT of the ILPR is evaluated as a feature vector for speaker identification (SID). On TIMIT and YOHO databases, using a Gaussian mixture model...
This work presents a method to control the perceived distance of an auditory object by changing the directivity pattern of a loudspeaker and consequently the direct-to-reverberant ratio at the listening spot. Control of the directivity pattern is achieved by beamforming using a compact multi-driver loudspeaker unit. A small-sized cubic array...
Wormlike micellar fluids, being viscoelastic, support shear waves. Shear waves in 500 mM CTAB-NaSal micellar fluid were visualized by seeding the fluid with 212–250 μm diameter polyethylene microspheres. This method was compared to visualization through...
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