Definition - What does Stereophonic Sound mean?
Stereophonic sound is also known as stereo sound or stereo.
Techopedia explains Stereophonic Sound
One of the enduring issues with stereo sound is how to deliver it through audio hardware. As the "hi-fi" systems of the pre-digital age emerged, they were designed with stereo features. In general, multiple speakers are set up to offer stereo sound experiences. The application of stereo to digital sound is another field, where engineers look to accommodate this more refined sound in new equipment and devices.