Editing Mixing console (section)

====Busses and submix====
Each channel on a mixer has a volume control (''[[Fader (audio engineering)|fader]]'') that allows adjustment of the level of that channel. These are usually sliders near the front of the mixing board, although some smaller mixers use rotary controls to save space. The signals are summed to create the main ''mix'', or combined on a ''[[Audio bus|bus]]'' as a submix, a group of channels that are then added as a whole to the final mix. For instance, many drum mics could be grouped into a bus, and then the proportion of drums in the final mix can be controlled with one bus fader.<ref>[http://psbg.emusician.com/ar/emusic_mixed_signals/index.htm Mixed Signals - Studying the basics of a Mixer's signal flow] {{webarchive|url=https://web.archive.org/web/20080930221032/http://psbg.emusician.com/ar/emusic_mixed_signals/index.htm |date=2008-09-30 }}. Retrieved on 2008-08-20.</ref> A bus can often be processed just like an individual input channel, allowing the engineer to process a whole group of signals at once. Once again using the drum kit example, the use of bus-processing can enable the sound engineer to run all of the drum kit through an audio compressor effect to reduce unwanted signal peaks, rather than having to route all of the 10 or more mic signals on the drum kit individually. There may also be insert points for a certain bus or even the entire mix.