DSPUtil.SoundBuffer.MaxPos C# (CSharp) Method

        public int MaxPos()
        {
            if (_maxPos == int.MaxValue)
            {
                FindMax();
            }
            return _maxPos;
        }

        static SoundObj GetMainImpulse(out string actualPath)
        {
            DateTime dtStart = DateTime.Now;
            if (_impulsePath == "") _impulsePath = null;
            if (_impulsePath == "-") _impulsePath = null;
            if (_matrixFilter == "") _matrixFilter = null;
            if (_matrixFilter == "-") _matrixFilter = null;
            if (_bformatFilter == "") _bformatFilter = null;
            if (_bformatFilter == "-") _bformatFilter = null;
            Trace.WriteLine("Impulse {0}, matrix {1}", CleanPath(_dataFolder, _impulsePath), CleanPath(_dataFolder, _matrixFilter));

            // note: we window the room correction impulse if it's too long
            WaveReader impulseReader = null;
            SoundObj impulseObj = null;
            actualPath = null;

            if (!String.IsNullOrEmpty(_impulsePath))
            {
                impulseReader = GetAppropriateImpulseReader(_impulsePath, out actualPath);
            }
            if (impulseReader != null)
            {
                if (impulseReader.Iterations > _maxImpulseLength)
                {
                    // This impulse is too long.
                    // Trim it to length.
                    int hwid = _maxImpulseLength / 2;
                    int qwid = _maxImpulseLength / 4;
                    SoundBuffer buff = new SoundBuffer(impulseReader);
                    buff.ReadAll();
                    int center = buff.MaxPos();
                    BlackmanHarris wind;
                    int startpos;
                    if (center < hwid)
                    {
                        wind = new BlackmanHarris(center, qwid, qwid);
                        startpos = 0;
                    }
                    else
                    {
                        wind = new BlackmanHarris(hwid, qwid, qwid);
                        startpos = center - hwid;
                    }
                    //                        int startpos = center < hwid ? 0 : (center - hwid);
                    wind.Input = buff.Subset(startpos, _maxImpulseLength);
                    impulseObj = wind;
                }
                else
                {
                    impulseObj = impulseReader;
                }
            }

            if (_debug)
            {
                TimeSpan ts = DateTime.Now.Subtract(dtStart);
                Trace.WriteLine("GetMainImpulse " + ts.TotalMilliseconds);
            }
            return impulseObj;
        }