wav analyzer

public class WavAnalyzer
        {
            public string riffId;
            public uint fileSize;
            public string wavId;
            public string formatId;
            // フォーマットのチャンク数
            public uint formatChunkSize;
            public ushort format;
            // チャネル数
            public ushort channnelsCount;
            public uint samplingRate;
            public uint bytePerSec;
            // データのブロックサイズ
            public ushort blockSize;
            // 量子化ビット数
            public uint bit;
            public string dataId;
            public uint dataSize;

            public List<List<short>> data;

            public WavAnalyzer(string fileName)
            {
                using (FileStream fileReader = new FileStream(fileName, FileMode.Open, FileAccess.Read))
                {
                    using (BinaryReader binaryReader = new BinaryReader(fileReader))
                    {
                        riffId = Encoding.UTF8.GetString(binaryReader.ReadBytes(4));
                        fileSize = binaryReader.ReadUInt32();
                        wavId = Encoding.UTF8.GetString(binaryReader.ReadBytes(4));
                        formatId = Encoding.UTF8.GetString(binaryReader.ReadBytes(4));
                        formatChunkSize = binaryReader.ReadUInt32();
                        format = binaryReader.ReadUInt16();
                        channnelsCount = binaryReader.ReadUInt16();
                        samplingRate = binaryReader.ReadUInt32();
                        bytePerSec = binaryReader.ReadUInt32();
                        blockSize = binaryReader.ReadUInt16();
                        bit = binaryReader.ReadUInt32();
                        dataId = Encoding.UTF8.GetString(binaryReader.ReadBytes(4));
                        dataSize = binaryReader.ReadUInt32();

                        data = new List<List<short>>();

                        for (int i = 0; i < channnelsCount; i++)
                        {
                            data.Add(new List<short>());
                        }

                        for (int i = 1; i < dataSize / blockSize; i++)
                        {
                            // チャンネルの数だけデータを入れてく
                            for (int j = 0; j < channnelsCount; j++)
                            {
                                data.ElementAt(j).Add((short)binaryReader.ReadUInt16());
                            }
                        }
                    }
                }
            }