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1.3.4 • Public • Published


NatDevice is a high performance, cross-platform camera and microphone streaming API for Unity Engine. To start, discover available media devices:

// Create a media device query for a camera device
var filter = MediaDeviceCriteria.CameraDevice;
var query = new MediaDeviceQuery(filter);
// Get the first camera device
var device = query.current as CameraDevice;

Then stream camera images or audio buffers from the device:

// Start streaming camera images

void OnCameraImage (CameraImage image) {
    // Do stuff

From here, you can utilize extensive functionality provided by the API to build your interactive applications. Features include:

  • Ultra-low Latency. Stream the camera preview and microphone audio into Unity with extremely small overhead.

  • Ultra-high Resolution. NatDevice supports high resolution camera previews, at full HD and higher on devices that support it.

  • Extensive Camera Control. Set the camera exposure mode, exposure point, exposure duration, focus mode, focus point, flash mode, white balance mode, torch mode, zoom, and more.

  • Granular Microphone Control. Configure the microphone sample rate, channel count, and echo cancellation mode on devices that support it.

  • Machine Learning Integration. NatDevice tightly integrates with NatML for building machine learning and computer vision apps.

  • Video Recording Integration. NatDevice tightly integrates with NatCorder for enabling user-generated content.

See the docs to learn more about NatDevice.

Installing NatDevice

First, add the following items to your Unity project's Packages/manifest.json:

  "scopedRegistries": [
      "name": "NatML",
      "url": "",
      "scopes": ["ai.natml"]
  "dependencies": {
    "ai.natml.natdevice": "1.3.4"

Then retrieve your access key from NatML Hub and add it to your Project Settings:

Specifying your access key

Using NatDevice requires an active NatML MediaKit subscription. You can try it out for free, but functionality is limited. See the docs for more info.


  • Unity 2021.2+

Supported Platforms

  • Android API Level 24+
  • iOS 14+
  • macOS 10.15+ (Apple Silicon and Intel)
  • Windows 10+ (64-bit only)
  • WebGL:
    • Chrome 91+
    • Firefox 90+


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