public EStimAudioDevice(DirectSoundDeviceInfo device, EstimParameters parameters)
{
Name = device.Description;
_parameters = parameters;
_generator = new SineWaveProvider();
_generator.Frequency = 600;
_stereo = new MonoToStereoSampleProvider(_generator);
_stereo.LeftVolume = 0f;
_stereo.RightVolume = 0f;
_soundOut = new DirectSoundOut(device.Guid);
_soundOut.Init(_stereo);
_soundOut.Play();
MinDelayBetweenCommands = TimeSpan.Zero;
}
static void Test_SineWaveProvider()
{
using (var engine = new WaveEngine())
{
var sampleProvider = new SineWaveProvider()
{
Gain = 0.5,
Frequency = 440.0,
DurationsMs = 5000,
};
engine.SetSampleProvider(sampleProvider);
#if true
engine.Play(waitForEnd: true);
#else
engine.Play();
Thread.Sleep(2000);
#endif
}
}
private void StartStopSineWave()
{
if (waveOut == null)
{
this.sineWaveProvider = new SineWaveProvider()
{
Amplitude = 0.30f,
Frequency = 600
};
sineWaveProvider.SetWaveFormat(44100, 2); // 16kHz mono
waveOut = new WaveOut();
waveOut.Init(sineWaveProvider);
waveOut.Play();
}
else
{
waveOut.Stop();
waveOut.Dispose();
waveOut = null;
}
}
