Accord.Audio.Signal.CopyTo C# (CSharp) Method

        public void CopyTo(float[] array)
        {
            if (format == Audio.SampleFormat.Format32BitIeeeFloat)
            {
                Buffer.BlockCopy(rawData, 0, array, 0, rawData.Length);
            }

            else if (format == Audio.SampleFormat.Format16Bit)
            {
                short[] source = new short[Samples];
                Buffer.BlockCopy(rawData, 0, source, 0, rawData.Length);
                SampleConverter.Convert(source, array);
            }

            else
            {
                throw new InvalidOperationException();
            }
        }

 private double[] getWholeSignal()
 {
     TempSignal = this.decoder.Decode(this.frames);
     double[] wholeSignal = new double[this.frames];
     TempSignal.CopyTo(wholeSignal);
     return wholeSignal;
 }