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Re: Acoustic Prediction

Hi Kip:

Measurement will always trump modeling.

Modeling is an extension to the art of educated guessing. Measurement is an extension to our perception of reality.

The former used correctly will reduce the time required to do the latter correctly.

Each Thanksgiving my Dad puts about 30 bottles of wine on the table and our family scores each on a pad of paper and the winners end up becoming Christmas gifts. My Dad and I are the only ones good at windowing the data such that reliable interpretation of the results are obtained. I can usually tell if a wine is worth tasting with my nose, thus avoid bad data and its potential to skew the entire measurement session. The remaining scores from my family are generally discarded. We do this every year and they still don't get the concept of windowing. They'd be better off reading wine reviews, i.e. modeling.

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Start looking at the group delay of each passband during each step (almost said phase!) of your alignment session. There's gold in those traces.