Most players can handle MPEG-4, the most popular standard for compressing video.
If you use lossless audio formats, which compress files less to preserve more audio data, look for a player that is compatible with AAC Lossless (available through the iTunes Music Store), FLAC or WMA Lossless formats. On the other hand, Apple’s iPods do not support Windows Media Audio (WMA) tracks, either with DRM or without, but many other players do. But they’re svelte enough to clip onto your belt. The tiniest players are generally the cheapest, with a minuscule display (except in the case of the Shuffle, which has no screen at all) to show basic track information. If you’re looking for a slimmer fit, a Nano-size player will have a screen size of 2 to 2.2 inches-still big enough to watch clips, though with more squinting required-while shedding some ounces and inches. A player with a screen size of 3 inches or slightly larger, like an iPod Touch or Microsoft’s Zune HD, will still fit in your pocket while providing the biggest display on which to view video and digital images. Those sizes happen to coincide with Apple’s iPod lineup (in descending order) of Touch, Nano and Shuffle. Size: MP3 players come in three basic sizes: small, smaller and smallest.If you still need to have thousands and thousands of songs on your person, Apple offers a “classic” iPod with a 160-gigabyte hard drive. Obviously, you can take fewer songs along with you, but you’ll be taking a smaller device. The result? Now most MP3 players are flash-memory devices, ranging from two gigabytes at the low end to 64 gigabytes for the priciest version of the iPod Touch. It doesn’t play videos and view images (not that you’d want to on a screen that small), but the Sansa+ will play your music files for dirt-cheap. It also packs an FM tuner, as well as the ability to record voice memos. Like the Shuffle, it’s ultra-compact (0.9 ounce) and includes a belt clip, but it still manages to squeeze in a one-inch display, along with a slot for microSD memory cards to increase storage. If you’re looking to spend as little as possible on an MP3 player without sacrificing a screen, as Apple’s Shuffle requires, the SanDisk Sansa+ is the low-cost choice. Although its 640×480-pixel video quality can’t compete with footage from a dedicated camcorder, the Nano’s video-recording capabilities will make you think twice before buying a pocket-sized video camera like the Flip. It’s the first iPod to offer an FM tuner, long a standard feature of most competitors, and it comes with a built-in video camera.
You’ll pay a premium for an iPod Nano, but at least the latest generation of Nano packs a couple major new features, along with a growth spurt for its display (from 2 to 2.2 inches), a boon for those willing to squint at video.
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