---
name: godot-animation-audio
description: Build Godot 4.6+ animation and audio systems. Use for AnimationPlayer libraries and tracks, AnimationTree state machines and blend spaces, Skeleton3D import and retargeting, root motion, AudioStreamPlayer nodes, buses, and effects.
---

# Animation and audio

Use AnimationPlayer as authored data and AnimationTree as runtime selection. Keep gameplay events
out of fragile call tracks where a signal or state transition is clearer. Route audio through named
buses instead of changing individual source volume as a global mix strategy.

| Need | Read |
| --- | --- |
| Tracks, libraries, method-call caveats | [AnimationPlayer](references/animation-player-libraries.md) |
| BlendTree/state-machine parameters | [AnimationTree](references/animation-tree-state-machines.md) |
| Skeleton import, retargeting, root motion | [skeletons](references/skeleton-retargeting.md) |
| Players, buses, effects and lifecycle | [audio mixing](references/audio-buses-mixing.md) |