US 11,729,456 B2
Long duration error correction with fast channel change for ATSC 3.0 real-time broadcast mobile application
Brant Candelore, Poway, CA (US)
Assigned to Sony Group Corporation, Tokyo (JP)
Filed by Sony Group Corporation, Tokyo (JP)
Filed on Mar. 6, 2022, as Appl. No. 17/687,660.
Application 17/687,660 is a division of application No. 17/141,155, filed on Jan. 4, 2021, granted, now 11,303,954.
Prior Publication US 2022/0217437 A1, Jul. 7, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H04N 21/435 (2011.01); H04N 21/235 (2011.01); H04N 21/426 (2011.01)
CPC H04N 21/435 (2013.01) [H04N 21/235 (2013.01); H04N 21/426 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method, comprising:
receiving digital TV signals by at least one mobile receiver;
receiving a first command at the mobile receiver;
responsive to the first command, continuing to buffer at least one digital TV stream in the buffer;
receiving a second command at the mobile receiver;
responsive to the second command, identifying whether packets associated with a stream to be played are in the buffer;
responsive to determining that packets associated with the stream to be played are not in the buffer, beginning to buffer packets of the stream to be played;
playing the stream to be played from the buffer;
creating a duplicate buffer of the stream to be played; and
selectively switching to playing packets in the duplicate buffer.