Meta Horizon OS Developer Docs

# Horizon Documentation Index

## Unity

Unleash the power of mixed reality with Unity's versatile and intuitive 3D engine, creating immersive experiences that blur the lines between real and virtual worlds.

### Docs

- [Integrating the OVRVirtualKeyboard Prefab](https://developers.meta.com/horizon/llmstxt/documentation/unity/VK-unity-IntegratePrefab.md): Integrate OVRVirtualKeyboard prefab into Unity VR applications, configure input controls, and add controller or hand support.

- [Virtual Keyboard Custom Integrations and Best Practices](https://developers.meta.com/horizon/llmstxt/documentation/unity/VK-unity-custom-integrations.md): Implement custom integrations with Virtual Keyboard in Unity using OVRVirtualKeyboard MonoBehaviour and APIs.

- [FAQ](https://developers.meta.com/horizon/llmstxt/documentation/unity/VK-unity-faq.md): Configure Unity project settings to use Virtual Keyboard and troubleshoot common issues before deprecation.

- [Getting Started with Virtual Keyboard](https://developers.meta.com/horizon/llmstxt/documentation/unity/VK-unity-gettingstarted.md): Implement Virtual Keyboard in Unity projects using Meta XR Core SDK and OpenXR for hand tracking support.

- [Virtual Keyboard Overview](https://developers.meta.com/horizon/llmstxt/documentation/unity/VK-unity-overview.md): Implement Virtual Keyboard in Unity applications using Meta XR Core SDK for seamless typing experiences.

- [Virtual Keyboard Sample Overview](https://developers.meta.com/horizon/llmstxt/documentation/unity/VK-unity-sample.md): Implement virtual keyboard functionality in Unity using Meta XR Core SDK and OpenXR Virtual Keyboard API.

- [Unity Archive Overview](https://developers.meta.com/horizon/llmstxt/documentation/unity/archive-overview.md): Reference deprecated Unity features for legacy Meta Quest apps, using archived content for maintenance.

- [Oculus Spatializer AAX Plugin Overview (Retired)](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-aax-overview.md): Integrate Oculus Spatializer AAX plugin into Avid Pro Tools for 3D audio spatialization, despite being deprecated.

- [Oculus Spatializer AAX Plugin Track Parameters (Retired)](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-aax-track-parameters.md): Configure Oculus Spatializer AAX plugin for Pro Tools, setting track parameters for 3D audio spatialization.

- [AAX Plugin Sample (Retired)](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-aax-usage.md): Migrate from retired Oculus Spatializer Plugin to Meta XR Audio SDK for spatial audio integration.

- [AAX 3D Visualizer (Retired)](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-aax-visualizer.md): Use Oculus Spatializer AAX plugin to visualize and manipulate 3D audio parameters within VR using Touch or Xbox controllers.

- [Oculus AAX Spatializer for DAWs Integration Guide (Retired)](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-aax.md): Install and use Oculus Spatializer AAX plugin for Pro Tools with Oculus Rift, now deprecated.

- [Oculus Audio Loudness Meter Overview](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-loudness-meter-overview.md): Measure and adjust audio loudness in Meta Quest VR apps using Oculus Audio Loudness Meter.

- [Set Up the Oculus Audio Loudness Meter](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-loudness-meter-setup.md): Set up Oculus Audio Loudness Meter on Windows, despite being end-of-life and replaced by Meta XR Audio SDK.

- [Measure Loudness with Oculus Loudness Meter](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-loudness-meter-using.md): Measure and monitor Meta app loudness using Oculus Loudness Meter for Rift apps, tracking LUFS thresholds.

- [Install the Oculus Plugin for FMOD Studio Unity Integration](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-osp-fmod-integration-unity.md): Install Oculus Spatializer Plugin for FMOD Studio Unity Integration to enable spatial audio in Unity games.

- [Set Up the Oculus Spatializer Plugin (OSP) for FMOD](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-osp-fmod-overview.md): Integrate Oculus Spatializer Plugin (OSP) into FMOD Studio projects for 3D spatial audio on Windows and macOS.

- [Oculus Spatial Reverb for FMOD Studio](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-osp-fmod-reverb.md): Configure Oculus Spatial Reverb in FMOD Studio for spatial audio processing using Oculus Spatializer Plugin parameters.

- [How to Use the Oculus Spatializer in FMOD Studio](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-osp-fmod-usage.md): Implement Oculus Spatializer and Oculus Ambisonics in FMOD Studio for 3D audio spatialization and ambisonic processing.

- [Oculus Spatializer for FMOD Integration Guide](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-osp-fmod.md): Integrate Oculus Spatializer plugin with FMOD Studio for 3D audio spatialization, despite being end-of-life.

- [Play Ambisonic Audio in Unity](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-osp-unity-ambisonic.md): Implement ambisonic audio in Unity using Oculus Spatializer, despite being end-of-life and unsupported.

- [Manage Sound Effects with Oculus Audio Manager](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-osp-unity-audiomanager.md): Manage sound effects in Unity using Oculus Audio Manager for grouped audio control and event triggering.

- [Dynamic Room Modeling in Unity](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-osp-unity-dynroom.md): Implement dynamic room modeling in Unity using Oculus Spatializer for realistic sound reflections and reverb.

- [Audio Propagation (Beta)](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-osp-unity-propagation.md): Implement audio propagation in Unity using Oculus Spatializer, modeling indoor/outdoor spaces with reverb and occlusion simulation.

- [Oculus Spatializer Plugin for Unity - Requirements and Setup](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-osp-unity-req-setup.md): Configure Oculus Spatializer Plugin for Unity to spatialize monophonic sound sources in 3D environments.

- [Explore the Oculus Spatializer with the Sample Scene](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-osp-unity-scene.md): Explore Oculus Spatializer sample scene, RedBallGreenBall, to understand spatializer settings and OSNP resources.

- [Apply Spatialization in Unity](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-osp-unity-spatialize.md): Apply spatialization to Unity sounds using Oculus Spatializer, configuring settings and Audio Mixer.

- [Oculus Spatializer for Unity](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-osp-unity.md): Implement Oculus Spatializer in Unity for 3D audio spatialization, dynamic room modeling, and ambisonic audio playback.

- [DAW-Specific Notes (Retired)](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-osp-vst-daw.md): Migrate from retired Oculus Spatializer Plugin to Meta XR Audio SDK for spatial audio integration.

- [Legal Notifications (Retired)](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-osp-vst-legal.md): Migrate from deprecated Oculus Spatializer Plugin to Meta XR Audio SDK for Unity and Unreal projects.

- [VST Overview (Retired)](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-osp-vst-overview.md): Integrate retired Oculus Spatializer VST plugin into DAWs for 3D audio spatialization and previewing.

- [Oculus VST Visualizer (Retired)](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-osp-vst-track-parameters.md): Configure Oculus Spatializer VST plugin for 3D audio spatialization with DAW integration and ambisonic rendering.

- [Use the DAW Plugin (Retired)](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-osp-vst-usage.md): Configure Oculus Spatializer plugin for DAW tracks, enabling spatial audio with HMD tracking for Rift.

- [Oculus VST Visualizer (Retired)](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-osp-vst-visualizer.md): Configure and utilize Oculus Spatializer VST plugin for 3D audio visualization and manipulation in VR.

- [Oculus VST Spatializer for DAWs Integration Guide (Retired)](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-osp-vst.md): Integrate Oculus Spatializer VST plugin into DAWs for 3D audio spatialization with legacy support.

- [Integrate the Oculus Spatializer for Wwise in Your App](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-osp-wwise-integration.md): Integrate Oculus Spatializer for Wwise into applications using Wwise libraries and plugin registrations.

- [Set Up the Oculus Spatializer for Wwise](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-osp-wwise-overview.md): Install and configure Oculus Spatializer Plugin for Wwise to spatialize 3D audio in applications.

- [Configure the Target Platform for Wwise in Unity Projects](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-osp-wwise-unity-install.md): Configure Unity project settings to integrate Oculus Spatializer with Wwise for spatial audio on multiple target platforms.

- [How to Use the Oculus Spatializer for Wwise](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-osp-wwise-usage.md): Configure Oculus Spatializer for Wwise to spatialize audio in Unity, using global properties and audio bus settings.

- [Oculus Spatializer for Wwise Integration Guide](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-osp-wwise.md): Integrate Oculus Spatializer Plugin with Audiokinetic Wwise to spatialize monophonic sound sources in 3D.

- [Precompute Visemes to Save CPU Processing in Unity](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-ovrlipsync-precomputed-unity.md): Precompute visemes for recorded audio in Unity using Oculus Lipsync, reducing CPU processing.

- [Explore the Sample Lipsync Scene for Unity](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-ovrlipsync-sample-unity.md): Explore Oculus Lipsync in Unity using the LipSync_Demo scene for lip syncing and audio input controls.

- [Oculus Lipsync for Unity Development](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-ovrlipsync-unity.md): Implement Oculus Lipsync in Unity to sync avatar lip movements with speech and laughter using visemes.

- [Explore Oculus Lipsync with the Sample Scene](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-ovrlipsync-using-unity.md): Implement Oculus Lipsync in Unity projects using OVRLipSync scripts, morph targets, and texture flip techniques.

- [Viseme Reference](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-ovrlipsync-viseme-reference.md): Use Oculus Lipsync viseme reference images and data to create realistic lip-sync animations for avatars.

- [Profiler Overview](https://developers.meta.com/horizon/llmstxt/documentation/unity/audio-profiler-overview.md): Profile audio performance in VR/non-VR apps using Oculus Audio Profiler with Oculus Spatializer plugins.