What are the advantages and disadvantages of using VBR encoding? Are they really really big or lower quality or what? <P>I had a poll here a week or so ago and I didn't include VBR as one of the ...

An Apple patent (number 7895045) for bitrate constrained variable bitrate audio encoding has appeared at the US Patent & Trademark Office. A hybrid audio encoding technique incorporates both ABR, or ...

In theory CBR 320 kbps is better quality, since it's the highest the spec supports. In practice you're not going to hear any difference unless you're some freak of nature.