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Prior art for an apparatus for sound direction finding
I'm looking for prior art for US patent application 2011/0054890 filed 2009/08/25. That would be a mobile phone (or portable device) that is capable of detecting the direction and type of sounds with ...
Oct 20 '12 at 22:32
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Apparatus and method for audio mapping
Mar 3, 2011
Aug 25, 2009
Aug 25, 2009
Aarne Vesa Pekka Ketola,
Panu Marten Jesper Johansson
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