13 Facts About Reverberation

Reverberation, in acoustics, is a persistence of sound, or echo after a sound is produced.

Reverberation is created when a sound or signal is reflected causing numerous reflections to build up and then decay as the sound is absorbed by the surfaces of objects in the space – which could include furniture, people, and air.

Reverberation is not limited to indoor spaces as it exists in forests and other outdoor environments where reflection exists.

Reverberation occurs naturally when a person sings, talks, or plays an instrument acoustically in a hall or performance space with sound-reflective surfaces.

Reverberation is applied artificially by using reverb effects, which simulate reverb through means including echo chambers, vibrations sent through metal, and digital processing.

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Reverberation is a significant source of mistakes in automatic speech recognition.

Reverberation time is a measure of the time required for the sound to "fade away" in an enclosed area after the source of the sound has stopped.

Reverberation time is frequently stated as a single value if measured as a wideband signal.

Reverberation found that the reverberation time is proportional to room dimensions and inversely proportional to the amount of absorption present.

Reverberation effects are often used in studios to add depth to sounds.

Reverberation time is usually stated as a decay time and is measured in seconds.

Reverberation proposed to measure, not the power of the sound, but the energy, by integrating it.

Reverberation established a relationship between the T60 of a room, its volume, and its total absorption.