Why does Logic 10 sound different to Logic 9 ? Logic 9 seems to be better....!?

OK, ok, this goes over my head. I just know that I can null any audioplayers' output with Logics' output, which makes me think that either all their individual audio engines are very similar, or that it is indeed the OS that handles the basics. The question is: do you agree that Logic 9 sounds "15 % better" than LP X?

Eriksimon wrote:

The question is: do you agree that Logic 9 sounds "15 % better" than LP X?

Logic does (or at least used to) rely on the OS for offline audio conversion jobs. That's how the resampling diagrams depend on the OS version.

Whether Logic 9 sounds "better" is surely a very subjective question, unless Logic X was massively flawed. I did not notice that. I have not done a null test on the mixer engine, but I'm fairly certain that this has not degraded from logic 9. If it has changed, it surely has towards higher precision when summing lots of tracks by either reordering before summing or using higher precision intermediate representations. In any case, the mixer does its job well and more reliably and accurate than any analog mixer. There are a few internal plugins that have changed that I'm aware of. Those will clearly affect the result of a mix that employs them. I know about the nature of some of these changes, and none of them is a degradation. In fact, some of the old algorithms were quite bad and have been replaced by something much better.

Of course, there may be bugs in the more recent version that compromise audio quality. But without good evidence or at least a first indication and a reproducible scenario I don't bother much. To me, Logic X sounds great. I have not encountered a single situation that made me believe that they have messed up. And we regularly measure our own products inside the supported hosts, and never was there anything unusual.

Well, it is good to get this well informed support (and criticism) from you for my now long running attempts at debunking this particularly stubborn myth. 🙂

Since this thread started I have turned into a Zombie. Now I can't stop drinking blood. Typical.