technoguy

Monaural (often shortened to mono) sound reproduction is single-channel. Typically there is only one microphone, one loudspeaker, or, in the case of headphones or multiple loudspeakers, they are fed from a common signal path, and in the case of multiple microphones, mixed into a single signal path at some stage.

Desiree

Isnt that an old technology that was out before stereo.

vipl

Monaural is relating to one ear. Hearing aids may be monaural for one ear was the stethoscope. Monaural sound has been replaced by stereophonic sound in most entertainment applications later.