SYNCHRONIZING WIRELESS EARPHONES
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United States of America Patent
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Issued Date -
Oct 10, 2013
app pub date -
Apr 6, 2012
filing date -
Apr 6, 2012
priority date (Note) -
Abandoned
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Abstract
Various embodiments are directed to systems and methods involving first and second acoustic speaker devices for synchronizing playback of a common audio playback signal by the first and second acoustic speaker devices. The first acoustic speaker device may transmit wirelessly a first message comprising a first checksum set comprising a plurality of checksums indicating units of the common audio playback signal in a playback queue of the first acoustic speaker device. The second acoustic speaker device may receive and compare the first checksum set to a second checksum set comprising a plurality of checksums indicating units of the common audio playback signal in a playback queue of the second acoustic speaker device. The presence or absence of a match between the first and second checksum sets, as well as an offset, if any, of the match may indicate which acoustic speaker device is behind and by how many units.
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