Patent ID: 9215494
Filing Date: 2015-12-15
Classification: G06F,H04N

Abstract:
1. A digital television (DTV) receiver for processing a DTV signal, the DTV receiver comprising: a receiver to receive a digital television signal including a plurality of extended text table (ETT) instances that appear in transport stream packets with common PID values, the ETT instances having common table ID values, each ETT instance comprising a section header and a message body, the section header containing a table identification (ID) extension field that serves to establish uniqueness of each ETT instance, the message body containing an extended text message (ETM) which provides detailed descriptions of a virtual channel or an event associated with each ETT instance, wherein the section header further contains a current next indicator field, wherein the ETT instance further contains a CRC 32 field; a demodulator to demodulate the digital television signal; and an identifier to identify at least one pertinent ETT instance from the plurality of ETT instances.