Thread: What helps me to improve in some noise, maybe put a roof parabolic / curved or a straight?

Improve the sound or noise how? Do you want music playback to sound better or do you want to reduce noise levels? Both can be accomplished to some extent by adding sound absorption. To answer a question like this requires more detail.

I need something to improve the sound of my warehouse. What type of roof deck or minimize achieving something.
I want the sound is not annoying, or to reduce the echo. This in my factory. And I want to put a roof, flat or round. Which of these disminuto the echo?