/// <summary>
        /// find an enumerated DialogAudio that matches the serialized form present in a provided LocalSettings value.
        /// </summary>
        /// <param name="settingsValue"> A serialized DialogAudio object from LocalSettings data. </param>
        /// <returns> A reference to the matching DialogAudio object. Null if not found. </returns>
        public static DialogAudio GetFromSettingsValue(ApplicationDataCompositeValue settingsValue)
        {
            bool Matches <T>(string key, T value)
                where T : IEquatable <T>
            => settingsValue.Keys.Contains(key) && Equals(settingsValue[key], value);

            var dialogAudio = AllFormats.FirstOrDefault(format =>
                                                        Matches <string>(KeyForSubtype, format.Encoding.Subtype) &&
                                                        Matches <uint>(KeyForSampleRate, format.Encoding.SampleRate) &&
                                                        Matches <uint>(KeyForBitsPerSample, format.Encoding.BitsPerSample) &&
                                                        Matches <uint>(KeyForBitrate, format.Encoding.Bitrate) &&
                                                        Matches <uint>(KeyForChannelCount, format.Encoding.ChannelCount));

            return(dialogAudio);
        }
 /// <summary>
 /// Finds the first enumerated DialogAudio object that matches the provided readable label.
 /// </summary>
 /// <param name="label"> The label to match. Case-sensitive. </param>
 /// <returns> The first match found. Null if not found. </returns>
 public static DialogAudio GetMatchFromLabel(string label) => AllFormats.FirstOrDefault(format => format.Label == label);