I meant no disrespect. I don't know why that reply's ending was as terse as it was.
When I typed it, it didn't seem the least antagonistic. However, when I read it (right after its posting), it surely as the dickens came across that way.
If you're really interested in things that go squeel in the night, ask away.
I can set you to some decent sites, wherein the fundamentals are covered.
Some, from a very studious perspectives. And, others that are more producer oriented ... if you catch my drift.