Patent ID: 9167294
Filing Date: 2015-10-20
Classification: H04N

Abstract:
1. An apparatus for switching television channels, comprising: a tuner unit, locking a specific frequency point in a broadcast stream, wherein the frequency point has at least two program channels; at least two video de-multiplexing modules, coupled to the tuner unit, and after the tuner unit locks the frequency point, each of the video de-multiplexing modules simultaneously and respectively receives the broadcast stream, and performs a de-multiplexing operation and a decoding operation to each of the program channels to respectively generate at least two program streams corresponding to each of the program channels; and a switch unit, coupled to the at least two video de-multiplexing modules, for selecting and displaying one of the at least two program streams corresponding to a first program channel, and when a second program channel is selected, the switch unit selects and displays the other one of the at least two program streams corresponding to the second program channel, wherein the at least two program channels comprise the first program channel and the second program channel.