The percentage of electronics at the end of their lives which were recycled.
The EPA found that the percentage remained consistent from 1999-2005. Even as recycling rates went up, the amount of electronics reaching end of life outpaced the increase, leaving the figure static. (source: EPA, July 2008)
Now that we've thrown 'em off the trail, use the form below to get in touch with the people at Engadget. Please fill in all of the required fields because they're required.
Even if players were full spec 1.3 compliant that doesn't guarantee you can send the signal to a receiver for decoding, as this that can only be done if the DVD (BluRay or HD-DVD) discs were mastered in Basic mode. If they contain interactive features, they're in Advanced mode, so that's ALL HD-DVDs and as so will BluRay once they adopt (Profile v1.1) interactive.
Which means 'HDMI Learning Center' were right to advise that you should make sure your player can do the audio decoding.