MixingStudio Practice
Bus
Definition
A signal routing path in a mixing console or DAW that combines multiple audio channels and routes them to a common destination, a group fader, an effects processor, or the master output.
In Simple Terms
A shared lane where multiple tracks get mixed together. Instead of adding reverb to every instrument separately, you send them all to the same bus and process them as a group.
In Practice
Eight individual drum tracks are routed to a single drum bus. The engineer applies EQ, compression, and saturation once on the bus instead of replicating those plugins eight times, saving CPU and ensuring that every drum gets the same processing character.
Sources & Verification
- Owsinski, B.. The Mixing Engineer's Handbook (4th ed., bus routing chapter)Bobby Owsinski Media Group, 2017
- Izhaki, R.. Mixing Audio (3rd ed., signal routing chapters)Focal Press, 2017
Last verified: 2026-05-05