public void ParseData()
{
Sanity.Requires(DeepFlag, "Parse data requires deep parse.");
ParseDataFlag = true;
AudioBits = BlockAlign / NumChannels * 8;
DataValues = CalcValues().ToArray();
RMS = CalculateRms();
}
public static byte[] ReadBytes(string path, int n)
{
Sanity.Requires(File.Exists(path), "The file doesn't exist.");
Sanity.Requires(n >= 0, "The bytes required cannot be negative.");
using (FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read))
{
using (BinaryReader br = new BinaryReader(fs))
{
return(br.ReadBytes(n));
}
}
}
/// <summary>
/// Calculate the root mean square of the audio.
/// </summary>
/// <returns>The RMS value</returns>
private double CalculateRms()
{
Sanity.Requires(ParseDataFlag, "The wave data has to be parsed in order to get RMS.");
return(Math.Sqrt(DataValues.Sum(x => x * x) / DataValues.Length));
}
public static int ToInt24(byte[] bytes, int offset)
{
Sanity.Requires(offset + 3 <= bytes.Length, "Offset exceeds array length.");
return(ToInt24(bytes[offset], bytes[offset + 1], bytes[offset + 2]));
}
