If an attractive eye-catcher with acoustic function is wanted, you will find it at BER.
The general aim of room desigh is the optimal supply of sound combinded with an excellent speech intelligibility. So reduction of reverberating time and sound absorbing play an important role.
Besides the silencing or reduction of reverberation time the importance of the optimal supply of sound is vital as the overall aim is the flawless speech intelligibility.
Detailed information on the acoustic panels can be found here: