“Audible Enhanced mode comes in an Audible specific format as a single file that works out to about 28MB per hour. Depending on the narration speed, most books will average around 10 - 15 hours, 7 - 8 hours is on the low end for most novels and it’s not unusual to find audiobooks in the 15 - 24 hours range. The longest I’ve seen is Atlas Shrugged at 62 hours. As such, a 4GB player is more than adequate.”
The problem is that the Clip Sport has a rather limited amount of ram, so it is likely to choke on larger files, especially if they are in a format that is more complicated to decode than mp3. I guess Sandisk should have probably said ouright that the player can’t play very large files. Having said that though, the Clip Sport only uses around 45% of the power that the Clip+ and Clip Zip use, so they could make a player with huge battery life that still light and small using the Clip Sport circuitry and a somewhat larger battery than the Clip Sport has. Most people don’t tend to play very huge files. They tend to play mp3 files that are typically 15 minutes or less, or podcasts that might be up to an hour or two, but that are at a low bitrate(perhaps 32kbps?).
