NAudio.Wasapi

WASAPI, Media Foundation, and DMO support for NAudio. Windows-only (net9.0-windows10.0.19041.0).

What's included

• WASAPI playback — WasapiOut (shared and exclusive mode, event-driven callbacks)
• WASAPI capture — WasapiCapture for microphone/line-in capture and WasapiLoopbackCapture for recording system audio
• Device enumeration — MMDeviceEnumerator, MMDevice, per-device volume, mute, peak/RMS metering, notification callbacks
• Media Foundation — MediaFoundationReader and MediaFoundationEncoder for MP3, AAC/MP4, WMA and any installed MFT codec; MediaFoundationResampler
• DMO — ResamplerDmoStream, DMO effect wrappers, and the DMO MP3 decoder
• Audio Session API — per-session volume, mute, and metering

When to use it

Use this package whenever you want modern Windows audio APIs: low-latency playback, loopback capture of the system mixer, per-application volume, or codec support via Media Foundation. The package is being actively modernized to use GeneratedComInterface and source-generated COM interop.

See the NAudio GitHub repository for full documentation and tutorials.

License

MIT.