Since many audio and video coding standards exist, interoperability requires the underlying media architecture to be programmable. Programmability allows device manufacturers to further differentiate their products, use the SoC in different ways, reduce the risk of silicon respins and lengthen the product's market life. More of a pebble than a stone really Review If you never consider an MP3 unless it comes with a screen...then stop reading now. But if, on the other hand, you may be interested in a highly portable, cheaper version of the second gen iPod Shuffle, walk this way. When Julie Alcorn plugs in, she cranks up the tunes and lets the world fade away. The 24-year-old walks around like many young people: easing the commute to work or school by listening to a personal collection of songs, oblivious to the what s going on around her.