private string GetFullInfoString(AudioInfoDto audio)
        {
            var id        = "Audio track " + audio.Id.ToString() + ":\n";
            var format    = audio.AudioFormat != null ? "\tFormat: " + audio.AudioFormat + '\n' : "";
            var channel   = audio.Channel != null ? "\tChannels: " + audio.Channel + " ch\n" : "";
            var frequency = audio.Frequency != 0 ? "\tFrequency: " + audio.Frequency + " kHz\n" : "";
            var bitrate   = audio.Bitrate != 0 ? "\tBitrate: " + audio.Bitrate + " kbps\n" : "";
            var language  = audio.Language != null ? "\tLanguage: " + audio.Language + '\n' : "";

            var translation = audio.Author != null && audio.Note != null ? "\tAuthor: " + audio.Author + "\n\tType: " + audio.Note :
                              audio.Author != null ? "\tAuthor: " + audio.Author :
                              audio.Note != null ? "\tType: " + audio.Note : "";

            return($"{id}{format}{channel}{frequency}{bitrate}{language}{translation}");
        }
        private string GetShortInfoString(AudioInfoDto audio)
        {
            var id        = "Audio track " + audio.Id.ToString() + ": ";
            var format    = audio.AudioFormat != null ? audio.AudioFormat + " | " : "";
            var frequency = audio.Frequency != 0 ? audio.Frequency + " kHz | " : "";
            var channel   = audio.Channel != null ? audio.Channel + " ch | " : "";
            var bitrate   = audio.Bitrate != 0 ? audio.Bitrate + " kbps " : "";
            var language  = audio.Language != null ? "\nLanguage: " + audio.Language + " " : "";

            var translation = audio.Note != null && audio.Author != null ? audio.Note + " (" + audio.Author + ")." :
                              audio.Note != null ? audio.Author + '.' :
                              audio.Author != null ? audio.Author + '.' : "";

            return($"{id}{format}{frequency}{channel}{bitrate}{language}{translation}");
        }