NAudio is an open source .NET audio library written by Mark Heath (mark.heath@gmail.com) We're currently in the process of migrating from CodePlex. For now, if you are looking for help and documentation, visit http://naudio.codeplex.com. The latest source code is here on GitHub.
- Play back audio using a variety of APIs
- WaveOut
- DirectSound
- ASIO
- WASAPI (Windows Vista and above)
- Read audio from many standard file formats
- WAV
- AIFF
- WMA
- SoundFont files (SF2)
- Decode many popular audio compression types
- MP3 (using ACM, DMO or MFT)
- G.711 mu-law and a-law
- ADPCM
- G.722
- Speex (using NSpeex)
- WMA, AAC, MP4 and more others with Media Foundation
- Convert between various forms of uncompressed audio
- Change the number of channels - Mono to stereo, stereo to mono
- Modify bit depth (8, 16, 24, 32 integer or 32 bit IEEE float)
- Resample audio using a choice of resampling algorithms
- Encode audio using any ACM or Media Foundation codec installed on your computer
- Create MP3s on Windows 8 and above
- Create AAC/MP4 audio on Windows 7 and above
- Create WMA files
- Create WAV files containing G.711, ADPCM, G.722, etc.
- Mix and manipulate audio streams using a 32-bit floating mixing engine
- construct signal chains
- examine sample levels for the purposes of metering or waveform rendering
- pass blocks of samples through an FFT for metering or DSP
- delay, loop, or fade audio in and out
- Perform EQ with a BiQuad filter (allowing low pass, high pass, peaking EQ, etc.)
- Record audio
- using WaveIn, WASAPI or ASIO
- Work with soundcards
- Enumerate devices
- Access soundcard controls and metering information
- Full MIDI event model
- Read and write MIDI files
- Respond to received MIDI events
- Send MIDI events
- An extensible model
- All base classes easily inherited from for you to add your custom components
- Support for Windows RT
- Create Windows 8 Store apps and Windows Universal apps