Dark areas on the screen indicate problems - excessive reverberation in one corner or uneven sound distribution.

Excessive reverberation time, which can be calculated, can lead to poor speech intelligibility.

The excessive reverberation - a fault common to the series - tends to make the singers' diction mushy.

In addition, she developed a technique of playing the bass on the classical concert harp that had previously not been possible because of the excessive reverberation in the lower-end of the electroacoustic harp.