
In my personal opinion, as long as you use either AAC or MP3 files, well encoded at 256kbps (assuming you are using iTunes to encode you files) you will likely find these good enough. The benefit of the two types of compressed files is that they have better support for "tagging" - the information stored in a file such as name of track, artist, track number, album, etc.Īs for which would be the best format to use on an iPod, you will get a number of different opinions. These are the smallest type of files and have been created by encoding programs that discard some of the audio signal, mostly the bits you can't or are least likely to hear. These are a bit like audio "zip files", so contain all of the audio data squeezed into a smaller file.ģ) Lossy compressed files - these include AAC (or M4A) files (the same format as you can buy from the iTunes store) or MP3 files (the same as you can buy from a number of stores, including Amazon).

They contain the same audio data as the CD and either is compatible with an iPod.Ģ) Lossless compressed files - these include FLAC or ALAC (apple lossless) formats, the latter of which is compatible with an iPod.

In layman's terms, there are three types of audio file you can create from a CD:ġ) Completely uncompressed files - these can be either WAV of AIFF format.
