thread: SBIR
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Old 16th January 2012
  #261
DAH
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Quote:
Originally Posted by Jens Eklund View Post
ok ...

So RPGs software is wrong, my excel sheet is wrong and the Java app from Falstad / Harvard (post 220) is wrong …
Its not about the Java applests, spreadsheets and RPG.
"We are talking about sound here" (c) Jens Eklund
If the null frequency remains independently of the receiver position, then your backpressure cancellation hypothesis is wrong, if it does not exist when LBIR is eliminated (measurement done at the cone) and moves when the receiver`s position is not ath the speaker`s cone and changed, then you are right.
The only necessity I find for the test is to eliminate the modal response (hence the room itself).