From: "Dave Ings" 

I think the author (and C/Net) has likely mixed aApples and oranges. AFAIK
the additional battery drain is due to the .wma format itself not the
DRM'ing of the format ... could be wrong of course.
--
Regards,
Dave Ings,
Toronto, Canada

"Rich Gauszka"  wrote in message
news:441c3154{at}w3....
>I wonder if MS will go into the battery business soon
>
> http://www.theregister.co.uk/2006/03/18/ms_drm_plays_for_shorter/
>
> Microsoft's "PlaysForSure" DRM knocks as much as 25 per cent off the
> battery life of a portable music jukebox, according to tests.
>
> The CNET testers discovered that playback of encrypted files suffers
> compared to unencrypted MP3 files. That's not so surprising, and even
> Apple's own iPod turns in a shorter battery life when playing locked-down
> AAC files purchased through Apple's iTunes. But what may be surprising is
> just how much Windows Media 10 affects the experience.
>

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