The limit at which sound waves cannot effectively propagate; associated with the speed of sound.

ध्वनि अवरोध

English Usage: When the aircraft broke the sound barrier, it created a loud sonic boom.

Hindi Usage: जब विमान ने ध्वनि अवरोध को तोड़ा, तो एक तेज़ सोनिक बूम उत्पन्न हुआ।