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Inventor
LAMBERT MICHAEL G
US
2 patents
Patents
2 patents
US6469732B1
Oct 22, 2002
Acoustic source location using a microphone array
VTEL CORP
366 citations
94
US6618073B1
Sep 9, 2003
Apparatus and method for avoiding invalid camera positioning in a video conference
VTEL CORP
72 citations
93