Yep, television audio is 48k and has been for a long time. Interestingly enough, as the TV industry moves from tape to file-based distribution and into HDTV, 24-bit 48k is becoming the standard.

Now in radio, stations often use 44.1k to move their digital audio around, since music CDs and file distribution use that sample rate.

When I record my own stuff at home, I usually work in 48k. After I get a final mix I'll do a sample rate conversion to 44.1 for the master. I think I've just convinced myself that 48k is better for mixing. Maybe I'm full of it, who knows? smile