For mobile content, you'll be fine with AAC at 128 kbps. This sounds much better than MP3 at higher frequencies and will fit nicely on a 32 GB iPhone or iPod.
If you're listening at home or with headphones on a lazy afternoon, AAC at 256 kbps will sound great, even for music with lots of dynamics and detail. If you want lossless, Apple has its own lossless format. If you're an audiophile and need absolute transparency with a reduced filesize, this is the way to go. I find I have a mix of both lossy and lossless formats in my library. I reserve my lossless compression for jazz, classical and a few world music CDs. Everything else is lossy AAC at 256 kbps. If I need to sync my iPhone, I convert everything to AAC at 128 kbps. As an audio engineer, I have yet to find a significant deal breaker in terms of encoding method with AAC. Mp3s are a little too messy for my liking, but 192 kbps and up will do in a pinch. Cheers, Kevin -- You received this message because you are subscribed to the Google Groups "MacVisionaries" group. To post to this group, send email to macvisionar...@googlegroups.com. To unsubscribe from this group, send email to macvisionaries+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/macvisionaries?hl=en.