ITunes v9.1 Import MP3 Custom Settings VBR Quality?

The pulldown options are:
lowest, low, medium low, medium, medium high, high, highest
What do the options of VBR Quality translate to?
How do they relate to LAME Quality settings?
Thanks in advance...

Kobzar wrote:
The pulldown options are:
lowest, low, medium low, medium, medium high, high, highest
What do the options of VBR Quality translate to?
They control how much the VBR varies. The higher settings give you greater audio quality but with greater variation in the bit rate among the time frames.
How do they relate to LAME Quality settings?
iTunes does not use LAME encoding for MP3. It has its own MP3 encoder that is modified from the original Fraunhofer MP3 encoder, and which is known to be inferior to LAME. You can however, create LAME-encoded MP3s in a 3rd party tool and add them to your iTunes library.

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