public void CanDownsampleAnMp3File()
{
string testFile = @"D:\Audio\Music\Coldplay\Mylo Xyloto\03 - Paradise.mp3";
if (!File.Exists(testFile)) Assert.Ignore(testFile);
string outFile = @"d:\test22.wav";
using (var reader = new AudioFileReader(testFile))
{
// downsample to 22kHz
var resampler = new WdlResamplingSampleProvider(reader, 22050);
var wp = new SampleToWaveProvider(resampler);
using (var writer = new WaveFileWriter(outFile, wp.WaveFormat))
{
byte[] b = new byte[wp.WaveFormat.AverageBytesPerSecond];
while (true)
{
int read = wp.Read(b, 0, b.Length);
if (read > 0)
writer.Write(b, 0, read);
else
break;
}
}
//WaveFileWriter.CreateWaveFile(outFile, );
}
}
