Originally Posted by shlind
Thanks, this is very interesting and good to know.

I am a bit qurious about the actual stem separation itself.
Will the separated bass stem be more or less exactly at the same quality as the recorded played bass itself or is it degraded in some way?
This is a very good question and I don't have (but would also like) an answer.

From a practical perspective, meaning to my ears, an S1 separated bass stem sounds clean, crisp, full and fat enough for my purposes. But my ears are not perfect, no one's ears are.

But the engineer in me says that there must be some (perhaps tiny) amount of distortion that results from every separation process. Especially if there are other low frequency content in the neighborhood of what the bass guitar is putting out. I remember a test case last year on this forum involving SongMaster, but as I recall a deep acoustic analysis was never done.

Perhaps someone here has a tool that can do the following subtraction: Original Bass Track - Separated Bass Track = The Difference
If "The Difference" isn't exactly zero in evey bar and at every millisecond, then there would be some level of distortion or artifacts at play.

Are there any digital audio experts in the house?

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