HiFi Blog: digital audio goodness

iPod charger inside a 9V battery: neat hack. [via]

“Oh no, the battery doesn’t hold a charge like it used to”—frequent portable audio forums and you’ll be hearing this a lot. The batteries that power your portable audio device can last longer and be more efficient provided you treat them carefully. What follows is a list of the best resources on the matter.

Battery types, [...]

CNET says DRM drains battery, but wait a sec…: they’ve performed some tests claiming that DRM’ed files consume more battery than unlocked ones. The Zen Vision:M lasts for 16 hours with unlocked MP3s, 12 hours with locked WMA files. The iPod sees a similar (but smaller, at only 8%) drop when switching from unlocked MP3s [...]