Both your HD movie player and your AV receiver have to support each individual codec though.

ENGADGET: How to actually use Dolby TrueHD and DTS-HD HD

Those consumer who go to Best Buy and buy the cheapest TV, the cheapest AV receiver will flock to HD DVD.

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While equipment varies, in most cases the only way to take advantage of the auto level and delay adjustments is to decode in the AV receiver.

ENGADGET: How to actually use Dolby TrueHD and DTS-HD HD

Although you can't take advantage of advanced authored movies, the advantage to decoding in the AV receiver is that you usually have access to more advanced sound processing.

ENGADGET: How to actually use Dolby TrueHD and DTS-HD HD

If you have the latest AV receiver with HDMI 1.3, you can set your player to send the compressed signal (aka bitstream) to it and let it do the heavy work.

ENGADGET: How to actually use Dolby TrueHD and DTS-HD HD

The same report also revealed that more than 90 million AV units worldwide will feature technologies such as DLNA. Moreover, trusted consumer websites such as tested.com support DLNA as a networking feature when choosing an AV receiver for the home theater.

ENGADGET: DLNA doubles its certification of audio-video hardware in two years