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UdonVoiceUtils

TLP UdonVoiceUtils is a collection of scripts and prefabs for VRChat worlds that modify player audio in real time.

Features

• Voice range control — extend or limit how far players can be heard
• Audio zones — separate players into private rooms with distinct voice areas
• Occlusion — muffle voices behind walls (environment) or other players
• Voice directionality — reduce volume when players face away from each other
• Reverb — apply reverb to player voices and avatar audio
• Private channels — create unlimited private voice channels
• Microphone pickups — extend voice range with pickupable microphones
• Height scaling — adjust voice range based on avatar height
• World audio management — importance-based emitter culling, reverb, and privacy for scene audio sources

Getting Started

1. Install via VPM (VRChat Creator Companion or ALCOM)
2. Add TLP_Essentials from Packages/tlp.udonutils/Runtime/Prefabs/TLP_Essentials.prefab
3. Add TLP_PlayerAudioController from Packages/tlp.udonvoiceutils/Runtime/Prefabs/Core/TLP_PlayerAudioController.prefab
4. Test with Build and Test (2 instances required for voice testing)

See Getting Started for walkthrough, or Installation for detailed setup steps.

Documentation

Topic	Link
Installation & Setup	Installation
Minimal Scene Setup	Minimal Scene Setup
Architecture Overview	Architecture
Occlusion	Occlusion
Height Scaling	Height Scaling
Voice Directionality	Voice Directionality
Private Voice Channels	Private Voice Channels
World Audio Subsystem	WorldAudio-Subsystem
WorldAudio Limitations	WorldAudio-Limitations
Audio Processing Pipeline	Audio-Processing-Pipeline
Troubleshooting	Troubleshooting Guide
FAQ	FAQ

Archived

Topic	Link
Reverb in VRChat	Reverb in VRChat (historical data)
Performance	Performance (historical benchmarks)

How-to Guides

Task	Link
Set Up Occlusion	How to Set Up Occlusion
Set Up Voice Channels	How to Set Up Voice Channels
Set Up Reverb	How to Set Up Reverb
Set Up Height Scaling	How to Set Up Height Scaling
Set Up Voice Directionality	How to Set Up Voice Directionality
Set Up Microphone	How to Set Up Microphone
Set Up WorldAudio Emitters	How to Set Up WorldAudio Emitters
Enable Debug Mode	How to Enable Debug Mode

Component Reference

Component	Purpose
PlayerAudioController	Core controller — manages all player audio
PlayerAudioOverride	Per-zone override settings
PlayerAudioOverrideList	Sorted list of overrides per player
PlayerAudioView	UI view for audio settings
WorldAudioController	Emitter update controller (importance-based)
OccludedEmitter	Per-emitter lifecycle management
AudioSourceStateController	Play/pause/cull state machine
AudioObstacle	Per-obstacle occlusion config
Privacy Channel Reference	Channel ID behavior and limits

Example Scripts

Script	Purpose
AdjustableGain	Synced UI slider for voice gain
DynamicPrivacy	Dynamic privacy channel management

Example Prefabs

All prefabs are located at Packages/tlp.udonvoiceutils/Runtime/Prefabs/Examples/. See Example Prefabs for full listing with components and configuration.

Links

• GitHub Repository
• UdonSharp Documentation
• VRChat Player Audio API