NAudio.Asio 3.1.1-preview.2

NAudio.Asio

Nuget

ASIO driver support for NAudio. Windows-only (net9.0-windows).

What's included

  • AsioOut — low-latency playback and/or recording through any installed ASIO driver
  • ASIO driver enumeration (AsioOut.GetDriverNames())
  • Channel routing, per-channel input metering, and access to the driver's control panel
  • Interop types for building your own ASIO host code

When to use it

ASIO is the right choice when you need very low round-trip latency — typical in pro-audio, virtual instruments, and multi-channel recording scenarios — and the user has a working ASIO driver installed (manufacturer-supplied, ASIO4ALL, FlexASIO, etc.). For general-purpose playback/capture prefer NAudio.Wasapi or NAudio.WinMM.

See the NAudio documentation site for tutorials and the full API reference, or the GitHub repository for full documentation and tutorials, including AsioPlayback.md and AsioRecording.md.

License

MIT. ASIO is a trademark of Steinberg Media Technologies GmbH — this package is a driver-consumer only; you are responsible for any agreement required to redistribute the ASIO SDK in your own shipping product.

Showing the top 20 packages that depend on NAudio.Asio.

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NAudio is an open source .NET audio library — playback and recording, file readers and writers, MIDI, DSP and effects, with platform-specific backends auto-selected by target framework.
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NAudio
NAudio is an open source .NET audio library — playback and recording, file readers and writers, MIDI, DSP and effects, with platform-specific backends auto-selected by target framework.
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NAudio
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8

  • Fixed DirectSoundOut failing every playback with DirectSoundException 0x80004001 (or an ArgumentException for a format with extra data, e.g. one read from a WAV by WaveFileReader): the secondary buffer's WAVEFORMATEX was still a GCHandle-pinned WaveFormat instance — a site missed in the #1432 marshalling conversion, since WaveFormat no longer carries [StructLayout] — and now marshals via WaveFormat.MarshalToPtr
  • Fixed WasapiPlayer and WasapiOut being stranded in the Playing state, unable to play again, when the source's Read threw or the source ended before the first buffer was filled (#1442)
  • macOS support (preview) - A new wrappers library is added wrapping macOS native API's for playback/recording, reading/writing files and resampling audio. The NAudio.MacOS package ships pre-release only (X.Y.Z-preview.N) while its API settles, so it stays pre-release alongside stable releases of the other packages. Special thanks to @mdcdi1315 (#1325) for the work and the tests. For more information, see the design doc that describes the decisions that helped shape the wrappers. (#1398)
  • VB.NET support - Added SampleProviderBase and WaveProviderBase, base classes that keep the NAudio 2 Read(buffer, offset, count) signature for languages that cannot name a Span<T> in a method signature, and a Using NAudio from VB.NET guide covering playback, recording and custom providers from VB (#1426)

.NET 9.0

Version Downloads Last updated
3.1.1-preview.2 1 09/22/2026
3.1.1-preview.1 6 09/10/2026
3.1.0 6 09/07/2026
3.1.0-preview.2 8 09/05/2026
3.1.0-preview.1 7 09/04/2026
3.0.2-preview.2 10 08/30/2026
3.0.2-preview.1 8 08/20/2026
3.0.1 9 08/19/2026
3.0.1-preview.1 8 08/19/2026
3.0.0 11 08/16/2026
3.0.0-preview.20 13 08/08/2026
3.0.0-preview.19 14 08/01/2026
3.0.0-preview.18 13 07/18/2026
3.0.0-preview.17 17 07/13/2026
3.0.0-preview.16 14 07/01/2026
3.0.0-preview.15 13 07/01/2026
3.0.0-preview.14 13 06/26/2026
3.0.0-preview.10 18 06/10/2026
3.0.0-preview.9 17 05/30/2026
3.0.0-preview.8 16 05/30/2026
3.0.0-preview.7 19 05/30/2026
3.0.0-preview.6 12 05/30/2026
3.0.0-preview.5 16 05/30/2026
3.0.0-preview.4 14 05/30/2026
3.0.0-preview.3 15 05/30/2026
3.0.0-preview.2 19 05/30/2026
2.4.0 7 08/30/2026
2.3.0 17 05/30/2026
2.2.1 15 05/30/2026
2.2.0 15 05/30/2026
2.1.0 16 05/30/2026
2.1.0-beta.1 15 05/30/2026
2.0.0 16 05/30/2026
2.0.0-beta2 17 05/30/2026
2.0.0-beta1 15 05/30/2026