04-16-2009, 06:03 PM
HD= High Density, not High Def.
In this case "density" refers to broadcasters being able to pack many stations into a smaller bandwidth. They get the signal smaller by audio compression similar to MP3 algorithms, which can mean anything from listenable to dogmeat.
In this case "density" refers to broadcasters being able to pack many stations into a smaller bandwidth. They get the signal smaller by audio compression similar to MP3 algorithms, which can mean anything from listenable to dogmeat.