Mechanical barrier sound system – UGC NET Question

Mechanical barriers are caused by failures in instruments or media used to transmit messages. A faulty microphone changes or distorts the speaker's voice so that listeners cannot hear clearly. This is a classic mechanical problem in communication. Hence mechanical is the correct answer.

Option A:
Semantic barriers result from misunderstandings about language,not technical faults.

Option B:
Psychological barriers arise from emotional states of participants,not machines.

Option C:
The description clearly points to technology failure,making mechanical the most accurate option.

Option D:
Physical barriers involve structural obstacles like walls rather than equipment malfunction.