Qwen TTS Streaming

Runtime plugin for streaming Qwen TTS Gateway audio into Unreal Engine.

Assets

Create two data assets in the editor:

Qwen TTS Streaming Settings Data Asset
Qwen TTS Preset Data Asset

They are registered in the Content Browser create menu under the Audio asset category.

Default gateway URL:

wss://services.ai-games-studio.ru/qwen-tts/generate/stream/ws

Default Kira preset id:

23c7eff6-5a38-451c-9b31-2d312a4e8b3d

Component

Add Qwen TTS Streaming Component to an actor. It inherits from AudioComponent.

Set:

Settings
Preset

Then call:

Stream Text

The component opens a WebSocket, sends the request, receives JSON messages with audio_b64, decodes each WAV chunk into PCM, and queues it into USoundWaveProcedural.

Useful events:

On Stream Started
On Audio Chunk
On Stream Finished
On Stream Error

Each On Audio Chunk event includes the original audio_b64, decoded PCM byte count, sample rate, channel count, and chunk index.