Quality wise, is Windows Media Audio 10 Professional equivalent to WMA?

Posted by Louis on Super User See other posts from Super User or by Louis
Published on 2012-11-11T22:12:26Z Indexed on 2012/11/11 23:04 UTC
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wma

I noticed that for encoding CD rips, Zune is still using WMA 9.2 instead of WMA 10 Pro.

On a given file using the highest quality VBR settings looks like this:
VBR Quality 98, 44 kHz, stereo 1-pass VBR

On the same file if I use WMA 10 Pro, with the same settings, the resulting file is about 20% smaller.

Using my ears, I'm unable to tell the difference, but I'm wondering if this was the goal of WMA 10 Pro (to be as good as WMA at a lower bitrate).

Is the quality of a WMA 10 Pro file equal to that of a WMA 9.2 file encoded with the same settings?

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