Frequently Asked Questions

Does audio leave the device?

No. NCKit runs entirely on-device on iOS and Android. Audio is never uploaded to a cloud service for processing.

What input formats are supported?

Any format AVFoundation can decode — WAV, M4A, AAC, CAF, MP3, MP4 with audio.

NCKit resamples to 48 kHz mono internally before inference.

Does NCKit work in the simulator / emulator?

Yes on Apple Silicon Mac simulators (arm64). Intel Mac simulators are not supported.
See the Simulator guide.

Which distribution method should I use?

Platform	Recommended	Private repo
iOS	Swift Package Manager	NCKit
Android	Gradle (Maven com.5exceptions:nckit)	NCKit_Android

See Installation.

How large is the bundled model?

~8.5 MB (NCKit_model.tar.gz inside NCKit.xcframework). No runtime download.

Can I use NCKit for real-time microphone processing?

Yes. Call processFrame on 48 kHz mono hops of frameLength (480) samples. See NCKitProcessor.

What are the minimum requirements?

See Requirements. Use the iOS / Android toggle for platform-specific versions.

How do I handle errors?

All NCKit operations throw NCKitError.

See NCKitError.

Where can I see a working example?

• iOS: NCKit_Demo — NCKitSample.xcodeproj
• Android: NCKit_Android

See Sample App.