公开(公告)号：WO2020142426A1

公开(公告)日：2020-07-09

申请号：PCT/US2019/068932

申请日：2019-12-30

Applicant: GRACENOTE, INC.

Inventor： QIN, John M. ,  JEYACHANDRAN, Suresh ,  FASCHING, Damon P.

IPC: H04N21/472 ,  H04N21/426 ,  H04N21/414 ,  H04N21/482 ,  H04N21/8549 ,  H04N21/239

Abstract: In one aspect, an example method includes (i) while a media playback device of a vehicle is playing back content received on a first channel, generating, by the media playback device, a query fingerprint using second content received on a second channel; (ii) sending, by the media playback device, the query fingerprint to a server that maintains a reference database containing a plurality of reference fingerprints; (iii) receiving, by the media playback device from the server, identifying information corresponding to a reference fingerprint of the plurality of reference fingerprints that matches the query fingerprint; and (iv) while the media playback device is playing back the first content received on the first channel, providing, by the media playback device for display, at least a portion of the identifying information.