Runtime Audio Importer

Advanced runtime audio processing plugin for Unreal Engine. Import, stream, transcode and manipulate audio at runtime across all platforms.

UE 4.24 - 5.5
Blueprints & C++
All platforms supported
Multiple audio formats

Advanced Audio Processing Made Simple

Runtime Audio Importer provides a comprehensive system for dynamic audio processing, featuring runtime importing, streaming, transcoding, exporting, and real-time microphone capture. From loading diverse audio formats to managing live microphone input, handle all your runtime audio needs with a single solution.

Seamless Integration

Works exactly like native Unreal Engine sound waves across all platforms

Multiple Audio Formats

Load MP3, WAV, FLAC, OGG (VORBIS/OPUS), BINK, RAW (PCM) at runtime

Voice Activity Detection

Precise speech boundary detection for audio processing

Unreal Engine Compatibility

Full support for UE 4.24 through 5.5, with regular updates

Quick example: Import and play audio at runtime
Blueprint example of importing audio
Full Blueprint support with easy-to-use nodes
See more examples →

Key Features

Dynamic Import

Import audio files at runtime from local storage or memory buffers with a simple API.

Import audio nodes
Import audio from files or memory buffers

Audio Export

Export audio to various formats with options to override sample rate and channel count.

Audio Export nodes
Export sound waves to various formats

Audio Transcoding

Convert between audio formats dynamically with full control over quality settings.

Audio transcoding nodes
Transcode audio between formats with quality control

Technical Details

Supported Audio Formats

MP3
WAV
FLAC
OGG VORBIS
OGG OPUS
BINK
RAW (PCM): Int8, UInt8, Int16, UInt16, Int32, UInt32, Float32

Sound Wave Types

Imported Sound Wave

Runtime-imported audio with full playback control

Streaming Sound Wave

Dynamic audio buffer management for continuous data streaming

Capturable Sound Wave

Real-time audio device capture with speech detection

Synth-Based Sound Wave

Integration with Synth Components (including Pixel Streaming)

Platform Support

Windows
Mac
Linux
Android
iOS
Meta Quest
PlayStation
Xbox
Nintendo Switch

Powerful Integrations

Runtime Audio Importer works seamlessly with other plugins to create complete audio and speech solutions for your Unreal Engine projects.

Runtime MetaHuman Lip Sync

Create realistic real-time lip sync for MetaHuman characters using audio from any source, including microphone input. Also compatible with CC4, Genesis, ARKit, and more.

Learn more

Runtime Speech Recognizer

Quickly convert speech to text offline with cross-platform recognition powered by Whisper, supporting transcription and translation in over 95 languages.

Learn more

Runtime Text To Speech

Generate realistic speech from text locally and offline, with cross-platform support, featuring 900+ voices across 39 languages, no internet required.

Learn more

Runtime AI Chatbot Integrator

Integrate advanced AI chatbots and high-quality TTS via APIs from OpenAI, ElevenLabs, DeepSeek, and Claude, supporting both text-to-text and text-to-speech workflows.

Learn more

TTS Options: Offline vs API-based

Runtime Text To Speech provides offline, on-device speech generation with no internet connection required. Runtime AI Chatbot Integrator connects to cloud services like OpenAI and ElevenLabs for state-of-the-art AI chat and TTS capabilities, requiring an API key and internet connection.

Documentation & Support

Get started quickly with our detailed documentation and receive support through multiple channels. From basic usage to advanced techniques, we're here to help you succeed.

Comprehensive Documentation

Step-by-step guides for all features

Tutorials

Visual guides for common use cases

Discord Community

Get real-time help from developers and users

Email Support

Direct contact for custom development needs

Blueprint example

Add Runtime Audio Capabilities to Your Project

Import, stream, and manipulate audio dynamically while your app is running. Unlock new possibilities for player-generated content, voice interaction, and adaptive sound experiences.