soundchannel

noun
UK /ˈsaʊnd ˈtʃæn.əl/
US /ˈsaʊnd ˈtʃæn.əl/

A sound channel is a path that sound travels along, like a tube or a layer of water.

The whale's song traveled far through the deep sound channel in the ocean.


OTHER MEANINGS

2. A track on a film or recording that carries sound.

The movie's sound channel was fixed before the premiere.

3. A layer of ocean water where sound bends and travels very far.

Scientists used the deep sound channel to hear whales from miles away.

4. A channel on a mixing board or device that controls audio.

Turn up the second sound channel on the mixer.

5. A frequency band used to send audio signals.

The radio station broadcasts on a separate sound channel.