3D-printed device helps computers solve cocktail-party problem http://www.n=
ature.com/news/3d-printed-device-helps-computers-solve-cocktail-party-probl=
em-1.18173
http://www.nature.com/news/3d-printed-device-helps-computers-solve-cocktai=
l-party-problem-1.18173
3D-printed device helps computers solve cocktail-par... http://www.nature.=
com/news/3d-printed-device-helps-computers-solve-cocktail-party-problem-1.1=
8173 Acoustic metamaterial can sort sounds according to their direction.
View on www.nature.com http://www.nature.com/news/3d-printed-device-helps-=
computers-solve-cocktail-party-problem-1.18173
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Original paper here:
By exploiting acoustic metamaterials and compressive sensing, we present h=
ere a single-sensor listening device that separates simultaneous overlappin=
g sounds from different sources. The device with a compact array of resonan=
t metamaterials is demonstrated to distinguish three overlapping and indepe=
ndent sources with 96.67% correct audio recognition. Segregation of the aud=
io signals is achieved using physical layer encoding without relying on sou=
rce characteristics.
Single-sensor multispeaker listening with acoustic metamaterials http://ww=
w.pnas.org/content/early/2015/08/05/1502276112
http://www.pnas.org/content/early/2015/08/05/1502276112
Single-sensor multispeaker listening with acoustic meta... http://www.pnas=
.org/content/early/2015/08/05/1502276112 Author contributions: Y.X., D.J.B.=
, and S.A.C. designed research; Y.X. and T.-H.T. performed research; Y.X., =
A.K., and B.-I.P. a...
View on www.pnas.org http://www.pnas.org/content/early/2015/08/05/15022761=
12
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"While a picture is worth a thousand words, a
sound is worth a thousand pictures." R. Murray Schafer via Bernie Krause.
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