US 10,893,375 B2
Headtracking for parametric binaural output system and method
Dirk Jeroen Breebaart, Ultimo (AU); David Matthew Cooper, Carlton (AU); Mark F. Davis, Pacifica, CA (US); David S. McGrath, Rose Bay (AU); Kristofer Kjoerling, Solna (SE); Harald Mundt, Fürth (DE); and Rhonda J. Wilson, San Francisco, CA (US)
Assigned to Dolby Laboratories Licensing Corporation, San Francisco, CA (US); and Dolby International AB, Amsterdam Zuidoost (NL)
Filed by DOLBY INTERNATIONAL AB, Amsterdam Zuidoost (NL); and Dolby Laboratories Licensing Corporation, San Francisco, CA (US)
Filed on Jul. 18, 2019, as Appl. No. 16/516,121.
Application 16/516,121 is a continuation of application No. 15/777,058, granted, now 10,362,431, previously published as PCT/US2016/062497, filed on Nov. 17, 2016.
Claims priority of provisional application 62/256,462, filed on Nov. 17, 2015.
Claims priority of application No. 15199854 (EP), filed on Dec. 14, 2015.
Prior Publication US 2019/0342694 A1, Nov. 7, 2019
This patent is subject to a terminal disclaimer.
Int. Cl. H04S 7/00 (2006.01); G10L 19/008 (2013.01); H04S 3/00 (2006.01); H04R 5/033 (2006.01)
CPC H04S 7/304 (2013.01) [G10L 19/008 (2013.01); H04R 5/033 (2013.01); H04S 3/004 (2013.01); H04S 3/008 (2013.01); H04S 2400/01 (2013.01); H04S 2400/11 (2013.01); H04S 2420/01 (2013.01); H04S 2420/03 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A system configured to encode channel or object based input audio for playback, the system comprising:
one or more processor; and
a computer-readable medium storing instructions which, when executed by the one or more processors, cause the one or more processors to perform operations comprising:
rendering the channel or object based input audio into an initial output presentation;
determining an estimate of a dominant audio component from the channel or object based input audio, the determining including:
determining a series of dominant audio component weighting factors for mapping the initial output presentation into the dominant audio component; and
determining the estimate of a dominant audio component based on the dominant audio component weighting factors and the initial output presentation;
determining an estimate of the dominant audio component direction or position; and
encoding the initial output presentation, the dominant audio component weighting factors, and at least one of the dominant audio component direction or position as the encoded signal for playback.