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Author Topic: Dual Channel Analysis Help  (Read 3425 times)

Ivan Beaver

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Re: Dual Channel Analysis Help
« Reply #10 on: May 02, 2015, 02:03:16 pm »

Just as a friendly reminder-there are TWO aspects of system alignment.

The first and easiest is the software-knowing how to get around on it and so forth.

The second and much HARDER, is determining what the software is showing, and knowing what to do about it.

None of the programs tell you WHAT to do-they only show you the RESULT of your actions.  Just like modeling programs.

Let's say you have a dip in the response somewhere around crossover.  What do you do?  What could it be?

It could be a simple reflection in the measurement-so you simply ignore it-there is little you can do.

It could be signal misalignment time wise between the two freq bands.  Wat does your individual phase responses look like?

It could be something a little eq could fix. or not.

It could be that you don't have the crossover freq close enough to account for the freq response of the individual drivers.  OR it could be that they are to close and the response of one driver is cancelling the other.  Maybe some out of band eq could work better.

And ALWAYS remember to measure in more than 1 location.  You can get "hung up" on trying to make it perfect for one position, while making it WORSE for everybody else.

The one thing to remember is-don't go out and buy a measurement "kit", take a class or two and then think you are an expert and will get great results.

Some of us have been doing this a long time-and we STILL learn new things all the time.

Sometimes it can be frustrating.

BUT, with all that said-you WILL learn a lot more about a lot of things when you start to measure properly. :)
A complex question is easily answered by a simple-easy to understand WRONG answer!

Ivan Beaver
Danley Sound Labs

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