Music Glossary

Stereo

Sound using two channels, left and right, to create width and space.

Stereo is sound reproduced through two separate channels — left and right — which together create a sense of width, space and position that mirrors how we naturally hear with two ears. By sending different levels and timing to each channel, a stereo mix can place instruments across an imaginary soundstage and give music depth and dimension. Almost all modern music is produced, distributed and listened to in stereo, whether through speakers or headphones. It contrasts with mono, which uses a single channel with no left–right placement. Working with the stereo field — through panning and stereo effects — is a central part of making a mix sound wide, immersive and professional.

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