static void Main()
{
// create virtual interface to system default audio device
using var alsaDevice = AlsaDeviceBuilder.Create(new SoundDeviceSettings());
// provide a wav stream
using var inputStream = new FileStream("example.wav", FileMode.Open, FileAccess.Read, FileShare.Read);
// play on the device
alsaDevice.Play(inputStream);
// alternative: directly play a wav file
// alsaDevice.Play("example.wav");
}
static void Main()
{
// create virtual interface to system default audio device
using var alsaDevice = AlsaDeviceBuilder.Create(new SoundDeviceSettings());
// set some mixer values
alsaDevice.RecordingVolume = 100;
alsaDevice.PlaybackVolume = 45;
// record 10s of audio
alsaDevice.Record(10, "output.wav");
// play recording back to device
alsaDevice.Play("output.wav");
}
static void Main()
{
// create virtual interface to system default audio device
using var alsaDevice = AlsaDeviceBuilder.Create(new SoundDeviceSettings());
// create stream to hold recorded data - will be pcm data including wav header
using var outputStream = new MemoryStream();
// create a cancellation token to stop recording after 10s
using var tokenSource = new CancellationTokenSource(TimeSpan.FromSeconds(10));
// actually record
alsaDevice.Record(outputStream, tokenSource.Token);
// alternative: record for 10s directly to file
//alsaDevice.Record(10, "output.wav");
}
static void Main()
{
// create a config for your audio hardware setup
var config = new SoundDeviceSettings
{
RecordingDeviceName = "hw:recording01", // alsa name of recording device. use arecord -L for a list of available devices. "default" for systems default
PlaybackDeviceName = "hw:playback01", // alsa name of playback device. use aplay -L for a list of available devices. "default" for systems default
MixerDeviceName = "hw:mixer01", // alsa name of mixer device. ensure your device actually supports this. some might not have volume channels etc.
RecordingBitsPerSample = 16, // bit depth of recorded audio data. check your devices capabilities on values to set here. default is 16
RecordingChannels = 2, // number of audio channels to record. default is 2
RecordingSampleRate = 8000 // number of samples per second of the recorded audio data. check your device on values to set here. default is 8000 even though this sounds terrible
};
// create virtual interface to use your config
using var alsaDevice = AlsaDeviceBuilder.Create(config);
// do something with your device e.g. record and play something
// alsaDevice.Record(10, "output.wav");
// alsaDevice.Play("output.wav");
}
