Reverberation is the collection of reflected sounds from the surfaces in an enclosure like an auditorium. It is a desirable property of auditoriums to the extent that it helps to overcome the inverse square law dropoff of sound intensity in the enclosure.
mato m (plural matos) ( 1 usually uncountable) forest; bush; jungle; woods (uncultivated area covered in wild plants) ( 2 usually uncountable) wild grass, weeds and other low-lying plants.
mat1. 1  a piece of fabric made of plaited or woven rushes, straw, hemp, or similar fiber, or of some other pliant material, as rubber, used as a protective covering on a floor or other surface, to wipe the shoes on, etc. 2  a smaller piece of material, often ornamental, set under a dish of food, a lamp, vase, etc.