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why are echoes undesirable in big halls?
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someone giving a speech would be interrupting someone giving a speech would be interrupting themselves interrupting themselves
echo means repetition of sound..If someone is speaking there will be two sounds..one which he is speaking right now and the other sound which he/she spoke earlier ..this will lead to confusion..in big halls the distance would be more than 17 m between the walls which will cause echo and not reverberation(prolongation of sound)
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