sound_mix_layer

Class hierarchy
CSoundMixLayer ↳CBaseEntity

sound_mix_layer is a point entity available in Left 4 Dead 2. It is an entity used to set a mix layer to a specific value.

Note:Developers seeking how to manage priorities of specific sounds should refer to mixgroups found in pak01_dir.vpk: /scripts/soundmixers.txt

Keyvalues

Name (targetname) <string>

The name that other entities refer to this entity by, via Inputs/Outputs or other keyvalues (e.g. parentname or target).
Also displayed in Hammer's 2D views and Entity Report.

See also:  Generic Keyvalues, Inputs and Outputs available to all entities

Mix Layer Name (MixLayerName) <string>

Name of the mix layer to be setting the level of.

Level (Level) <float>

Set the Mix Layer Level

Inputs

Level <float>

Set the Mix Layer Level

Mix layers

More information regarding MixLayers can be found in pak01_dir.vpk: /scripts/soundmixers.txt

These are listed in the dev console commmand snd_list_mixers

• mobBeatingLayer
• mobRulesLayer
• zombatMusicLayer
• zombatMusic2Layer
• zombatMusic3Layer
• witchRageLayer
• safeRoomLayer
• unaliveLayer
• PZVOWarnLayer
• chargerAttackLayer
• commentaryLayer
• undeathLayer
• adrenalineLayer
• fluMusicLayer
• rainLayer
• stormLayer
• voipLayer

Entries listed under the dev console command snd_list_mix_groups may work with a "Layer" post-fix, but need further testing.

External links

Audio Mixing (recorded music) - Wikipedia article regarding technical aspects of audio mixing