Television receiver and control program for the television receiver

A television receiver for receiving television broadcasts each delivering one and the same television program compressed into images of more than two different resolutions, comprising:

• first signal processing means for receiving one television broadcast channel among plural television broadcast channels in response to a channel selector signal, and for expanding an image of a higher resolution among the images of different resolutions delivered by the received television broadcast channel and outputting the expanded image of a higher resolution;
• second signal processing means for receiving one television broadcast channel among plural television broadcast channels in response to the channel selector signal, and for expanding an image of a lower resolution among the images of different resolutions delivered by the received television broadcast channel and outputting the expanded image of a lower resolution;
• display control means for displaying the image output from the first signal processing means on a first area of display means, and for displaying the image output from the second signal processing means on a second area of the display means;
• and
• channel-switch instructing means responsive to a channel switch instruction entered through operation means to switch the television broadcast channel whose image is displayed on the first area of the display means to the television broadcast channel whose image is displayed on the second area of the display means, for instructing the display control means to display the image output from the second signal processing means on the first area of the display means until the first signal processing means which has received the television broadcast channel switched in response to the channel switch instruction outputs an image of such switched television broadcast channel.