public IWaveProvider Convert()
{
using (Stream stream = new MemoryStream(buffer))
{
using (var rawStream = new RawSourceWaveStream(stream, new WaveFormat(48000, 16, 1)))
using (var downsample = new WaveFormatConversionStream(new WaveFormat(44100, 16, 1), rawStream))
using (var outputStream = new MemoryStream())
{
WaveFileWriter.WriteWavFileToStream(outputStream, downsample.ToSampleProvider().ToWaveProvider16());
var outputData = outputStream.ToArray();
waveBufferSize = outputData.Length;
BufferedWaveProvider bufferedWaveProvider = new BufferedWaveProvider(new WaveFormat(44100, 1));
if (outputData.Length < bufferedWaveProvider.BufferLength)
{
bufferedWaveProvider.AddSamples(outputData, 0, outputData.Length);
}
else
{
bufferedWaveProvider.AddSamples(outputData, 0, bufferedWaveProvider.BufferLength);
}
IWaveProvider finalStream = new Wave16ToFloatProvider(bufferedWaveProvider);
return(finalStream);
}
}
}
