Patent ID: 7757249

Claim:
A method for processing an emergency alert information in a digital broadcasting receiver, comprising the steps of: receiving the emergency alert message including alert priority data and further able to include a details channel information field regarding an emergency broadcast channel to which a current channel is to be compulsorily changed, emergency alert contents in text form, alert text rate and at least one additional parameter, wherein the value of the additional parameter is used to control the alert text scroll speed, when a state of emergency where the channel change to the emergency broadcast channel is required occurs and further the alert priority data identifies types of processing the emergency alert message, and further wherein the emergency alert message is a test message not to be displayed if the value of the alert priority data corresponds to a first level; and processing the received emergency alert message based on a value of the alert priority data, wherein the processing step further comprises: discarding the received emergency alert message if the value of the alert priority data corresponds to a first level; displaying the emergency alert contents in text form included in the received emergency alert message at a controlled scroll speed in accordance with the additional parameter if the value of the alert priority data corresponds to a second level or a third level; and if the value of the alert priority data corresponds to the third level, additionally parsing the details channel information field included with the received emergency alert message to find the emergency broadcast channel and changing a current channel to the emergency broadcast channel.