An encrypted program received in an MPEG transport stream is decrypted by receiving a message in the MPEG transport stream, wherein the message contains a key, decrypting the encrypted program based on the key, and replacing the message in the MPEG transport stream with a null packet. The tone color control data includes a parameter common to the two channels. The method further includes in response to detecting the at least one indication of user contact with at least one surface of the computing device, modifying a power consumption state of the computing device, wherein which components of the computing device receive power is based on the power consumption state.