public int GetAmplitude()
{
waveFormat.FormatTag = SlimDX.Multimedia.WaveFormatTag.Pcm;
waveFormat.BitsPerSample = 16;
waveFormat.BlockAlignment = (short)((waveFormat.BitsPerSample / 8));
waveFormat.Channels = 1;
waveFormat.SamplesPerSecond = 192000;
waveFormat.AverageBytesPerSecond = waveFormat.SamplesPerSecond * waveFormat.BlockAlignment * waveFormat.Channels;
SlimDX.DirectSound.CaptureBufferDescription bufferDescription = new SlimDX.DirectSound.CaptureBufferDescription();
bufferDescription.BufferBytes = 8192;
bufferDescription.Format = waveFormat;
bufferDescription.WaveMapped = false;
SlimDX.DirectSound.CaptureBuffer buffer = new SlimDX.DirectSound.CaptureBuffer(captureDevice, bufferDescription);
buffer.Start(true);
short[] samples = new short[5000];
int max = 0;
for (int i = 0; i < 1000; i++)
{
buffer.Read<short>(samples, 0, true);
max = samples.Max();
if (max != 0)
break;
}
buffer.Stop();
buffer.Dispose();
captureDevice.Dispose();
return max;
}
public int GetAmplitude()
{
waveFormat.FormatTag = SlimDX.Multimedia.WaveFormatTag.Pcm;
waveFormat.BitsPerSample = 16;
waveFormat.BlockAlignment = (short)((waveFormat.BitsPerSample / 8));
waveFormat.Channels = 1;
waveFormat.SamplesPerSecond = 192000;
waveFormat.AverageBytesPerSecond = waveFormat.SamplesPerSecond * waveFormat.BlockAlignment * waveFormat.Channels;
SlimDX.DirectSound.CaptureBufferDescription bufferDescription = new SlimDX.DirectSound.CaptureBufferDescription();
bufferDescription.BufferBytes = 8192;
bufferDescription.Format = waveFormat;
bufferDescription.WaveMapped = false;
SlimDX.DirectSound.CaptureBuffer buffer = new SlimDX.DirectSound.CaptureBuffer(captureDevice, bufferDescription);
buffer.Start(true);
short[] samples = new short[5000];
int max = 0;
for (int i = 0; i < 1000; i++)
{
buffer.Read <short>(samples, 0, true);
max = samples.Max();
if (max != 0)
{
break;
}
}
buffer.Stop();
buffer.Dispose();
captureDevice.Dispose();
return(max);
}