Reverberation

أ. إصداء, ارتداد, ارتجاع, انعكاس, صدى

ألاسمإِصْداء ; جَلْجَلَة ; رَجْعُ الصَّدَى
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إصداء ترجيع، ارتداد، انعكاس

Often shortened to 'Reverb', the persistence of sound in a room or other space, even after the original sound has ended, caused by many sound reflections that decrease in intensity with time. The reflections, or echoes, are so closely spaced in time as to merge into a single continuous sound. The reflected sound eventually decays completely by being absorbed into the surfaces of the room. Reverberation in modern recordings is commonly generated by signal processors, rather than acoustically.