Implementing the right audio/video transcoding scheme in consumer SoC devices

By Tim Simerly, Texas Instruments. Inc.
Embedded.com (09/23/08, 12:15:00 AM EDT)

Recently, the way consumers access audio/ video (A/V) media content has shifted away from using separate data (PC via modem), voice (telephone), and video (DVD players) devices, towards newer integrated devices that provide all three services and support applications such as multiplayer gaming and true video-on-demand (VOD).

Furthermore, many portable device, like portable media players and personal data assistants (PDAs), now offer a range of services and applications, such as MPEG-2, MPEG-4 Simple Profile (SP), H.264, VC- 1, On2, and DivX.

Internet and cellular networks are also being used to access and view A/V media all over the home. The consumer wants to be able to move A/V content easily from device to device and location to location, cost effectively and in realtime or faster.

This requires the exchange of stored or viewed content between devices within the home, or even outside the home, so it can be viewed on alternative devices, at different times and even by different consumers.

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