The Global Audio Manager Production Pack is the ultimate audio integration solution for Unity. It comprises a set of tools and utilities designed to maximize audio creation in Unity while facilitating and accelerating audio integration.
All conventional tasks are sped up and the ground is laid for complex interactive audio.

Documentation may be found here
And a demo project may be found here

Features :
- Full-featured audio switch. Allows for dynamic variation of Audio Clips playback.
- Full integration within Unity 5, taking advantage of the latest and wonderful AudioMixer capabilities. Dynamic mixes at your fingertips.
- Perfect audio timing, effectively bypassing Unity's audio playback timing imperfections.
- Fade-in, fade-out and crossfade system.
- In-Editor character animation preview with events. Audio synchronization for animations made easy.
- Automatic footsteps. Automatic ground material detection and playback of corresponding footstep sound.
- Dynamic music sequencer and editor. Build your music and never hear the same twice.
- Audio Clip explorer. Mass platform-dependent import settings edition.
- UI Audio events manager. Mass edit audio for all possible interactions on all UI objects.
- A zone system taking advantage of Unity's collision and trigger system to quickly setup location-relative audio effects.

Note : Separate packages for the aforementioned utilities exist on the asset store. However, the Ultimate Edition has some unique content, including a music sequencer, triggers and collision management, and animation audio mentioned above.

GAM's global design involves :
- Automated audio structure : folder structure is respected when importing audio clips. Never bother with endless drag-and-drops again.
- Global views and batch - although flexible - editing. UI sound events, animation events and audio import settings can be viewed and edited in batches and in detail at the same time. Allows for quick setup of very repetitive tasks, such as button sounds, animation events, AudioClip settings, AudioClip referencing, etc.