09560460 is referenced by 22 patents and cites 18 patents.

Systems and methods for calibrating a loudspeaker with a connection to a microphone located at a listening area in a room. The loudspeaker includes self-calibration functions to adjust speaker characteristics according to effects generated by operating the loudspeaker in the room. In one example, the microphone picks up a test signal generated by the loudspeaker and the loudspeaker uses the test signal to determine the loudspeaker frequency response. The frequency response is analyzed below a selected low frequency value for a room mode. The loudspeaker generates parameters for a digital filter to compensate for the room modes. In another example, the loudspeaker may be networked with other speakers to perform calibration functions on all of the loudspeakers in the network.

Title
Self-calibration loudspeaker system
Application Number
14/71128
Publication Number
9560460 (B2)
Application Date
November 4, 2013
Publication Date
January 31, 2017
Inventor
Gregory Wright
Salt Lake City
UT, US
Timothy Shuttleworth
Woodland Hills
CA, US
C Rex Reed
Salt Lake City
UT, US
Miguel Paganini
Woodland Hills
CA, US
John Lee
Salt Lake City
UT, US
Brian Ellison
Salt Lake City
UT, US
Geoffrey Christopherson
Encino
CA, US
Peter Chaikin
Santa Monica
CA, US
Agent
Brooks Kushman P C
Assignee
Harman International Industries Incorporated
CA, US
IPC
H04S 7/00
H04R 29/00
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