IS IT POSSIBLE TI SPLICE OR GET A SPLITTER FOR AN HDMI CORD ?

im just going to add to the answers already given, there are some switches out there that have auto signal sensing, meaning if you turn off your bluray player and turn on your xbox it will automatically switch over to the xbox input, im guessing you have an older tv with only 1 hdmi input or have ran out of inputs, you might want to get a 4/1 switcher in that case. most come with a manual setting or automatic setting or remote.