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Building the Master-Mixer Hierarchy

The Master-Mixer Hierarchy is a separate hierarchical structure of busses and auxiliary busses that allows you to group the many different sound and music structures within your project and prepare them for output.

For the Cube project, the following bus structure was created:

  • Three main control busses were created: Music, SFX, and Voice.

  • The Environments bus groups a series of auxiliary busses. Each auxiliary bus has a reverb effect inserted that represents a room in the game. Which auxiliary bus is processing at runtime is decided in the game's code.

  • Auto-ducking was applied to the Voice bus so that Music is ducked when a Voice is played.

  • An RTPC was applied to the Volume property of the three main control busses. These volume controls were mapped to the in-game volume faders (using game console).


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