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Original Message

RE: Why do line arrays using directional speakers require shorter lines for similar near field performance?

Posted by tomservo on April 30, 2017 at 06:19:51:
"Kind of reminds me of pushing back the critical distance in reverberant rooms by using more directional speakers !!"

When one wants to understand the words in a large space, then Hopkins Styker equation points the direction (the same direction as it deals with preserving information).
An example is in the link;

"The direct field can be improved by

Increasing Q (loudspeaker directivity, difference between what's radiated forward and what is radiated outside the pattern)
Move the listener closer to the source
Increase absorption
Reduce the number of sources
Aim the loudspeakers at the listener

Note that by increasing "N" from 1 to 2 will also increase the level of the reverberant field by 3dB. Keep the number of loudspeakers to an absolute minimum in difficult acoustic environments."