Wav Header Parsing

wavheader.cs

// Spec
// https://docs.fileformat.com/audio/wav/

public static WavHeader ParseWavHeader(this Stream fs)
        {
            int bitDepth;
            int channelCount;
            int samplingRate;
            int dataSectionByteCount;

            var headerBuffer = new byte[44];
            var headerSpan = headerBuffer.AsSpan();
            fs.Read(headerBuffer);

            samplingRate = BitConverter.ToInt32(headerSpan.Slice(24, 4));
            bitDepth = BitConverter.ToInt16(headerSpan.Slice(34, 2));
            dataSectionByteCount = BitConverter.ToInt32(headerSpan.Slice(40, 4));
            channelCount = BitConverter.ToInt16(headerSpan.Slice(22, 2));

            var wavHeader = new WavHeader
            {
                BitDepth = bitDepth,
                ChannelCount = channelCount,
                DataSectionByteCount = dataSectionByteCount,
                SamplingRate = samplingRate
            };

            return wavHeader;
        }

 public class WavHeader
    {
        public int BitDepth { get; set; }
        public int ChannelCount { get; set; }
        public int SamplingRate { get; set; }
        public int DataSectionByteCount { get; set; }
    }