| Subject: | Re: Something new and interesting from "nature" magazine |
|---|---|
| From: | madl74 |
| Date: | Wed Aug 12, 2015 5:02 am ((PDT)) |
[naturerecordists] writes: > 3D-printed device helps computers solve cocktail-party problem http://www= .nature.com/news/3d-printed-device-helps-computers-solve-cocktail-party-pro= blem-1.18173 And: http://phys.org/news/2015-08-metamaterial-device-cocktail-party-problem.htm= l An interesting device but I'm not going to pay money for the details. What = I would like to know is what this device sounds like in practice and in particular what the excess noise figures are. If it is in effect a multiple= mic array, this could be higher. Four small cardioids would give the same effect but without a number crunching computer. I csn't see how this device could be scaled down, as claimed, to hearing aid sizes with the same frequency responses. Maybe it would be configured as a hat. :-) David Brinicombe |
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