ircpuzzles 2021 08

Program.cs

namespace morse;

public enum Morse
{
    Dot,
    Dash,
    Space,
    WordSeparator,
    None
}

public static class Program
{
    public static void Main()
    {
        // export tags from audacity
        // <starttime>\t<endtime>\t<label>
        var ticks = File.ReadLines(@"ticks.txt");

        var time = 0.0;
        List<Morse> symbols = new();

        foreach (var line in ticks)
        {
            var split = line.Split('\t', StringSplitOptions.TrimEntries | StringSplitOptions.RemoveEmptyEntries);
            var start = float.Parse(split[0]);
            var duration = start - time;
            Console.WriteLine($"{duration:F2}");
            symbols.Add(duration switch
            {
                // >= 1.0 => Morse.WordSeparator,
                >= 1.0 => Morse.Space,
                >= 0.7 => Morse.Dash,
                >= 0.3 => Morse.Dot,
                _ => Morse.None,
            });
            time = start;
        }

        foreach (var symbol in symbols.Where(symbol => symbol != Morse.None))
        {
            if (symbol is Morse.WordSeparator or Morse.Space)
            {
                Console.WriteLine();
                continue;
            }

            Console.Write($"{symbol} ");
        }
    }
}

ticks.txt

0.080000	0.080000	Sound 01
0.400000	0.400000	Sound 02
0.880000	0.880000	Sound 03
1.600000	1.600000	Sound 04
2.080000	2.080000	Sound 05
2.800000	2.800000	Sound 06
4.080000	4.080000	Sound 07
4.400000	4.400000	Sound 08
4.880000	4.880000	Sound 09
5.200000	5.200000	Sound 10
5.680000	5.680000	Sound 11
6.000000	6.000000	Sound 12
6.480000	6.480000	Sound 13
6.800000	6.800000	Sound 14
8.080000	8.080000	Sound 15
8.400000	8.400000	Sound 16
8.880000	8.880000	Sound 17
9.600000	9.600000	Sound 18
10.880000	10.880000	Sound 19
11.600000	11.600000	Sound 20
13.680000	13.680000	Sound 21
14.000000	14.000000	Sound 22
14.480000	14.480000	Sound 23
14.800000	14.800000	Sound 24
15.280000	15.280000	Sound 25
15.600000	15.600000	Sound 26
16.080000	16.080000	Sound 27
16.400000	16.400000	Sound 28
17.680000	17.680000	Sound 29
18.000000	18.000000	Sound 30
18.480000	18.480000	Sound 31
19.200000	19.200000	Sound 32
20.480000	20.480000	Sound 33
21.200000	21.200000	Sound 34
22.480000	22.480000	Sound 35
22.800000	22.800000	Sound 36
23.280000	23.280000	Sound 37
23.600000	23.600000	Sound 38
24.080000	24.080000	Sound 39
24.400000	24.400000	Sound 40
24.880000	24.880000	Sound 41
25.200000	25.200000	Sound 42
27.280000	27.280000	Sound 43
28.000000	28.000000	Sound 44
28.480000	28.480000	Sound 45
29.200000	29.200000	Sound 46
29.680000	29.680000	Sound 47
30.000000	30.000000	Sound 48
31.280000	31.280000	Sound 49
31.600000	31.600000	Sound 50
32.480000	32.480000	Sound 51
32.800000	32.800000	Sound 52
34.080000	34.080000	Sound 53
34.800000	34.800000	Sound 54
35.280000	35.280000	Sound 55
35.600000	35.600000	Sound 56
36.080000	36.080000	Sound 57
36.400000	36.400000	Sound 58
38.480000	38.480000	Sound 59
38.800000	38.800000	Sound 60
39.280000	39.280000	Sound 61
40.000000	40.000000	Sound 62
40.480000	40.480000	Sound 63
41.200000	41.200000	Sound 64
42.480000	42.480000	Sound 65
42.800000	42.800000	Sound 66
43.680000	43.680000	Sound 67
44.000000	44.000000	Sound 68
44.480000	44.480000	Sound 69
44.800000	44.800000	Sound 70
46.080000	46.080000	Sound 71
46.400000	46.400000	Sound 72
47.280000	47.280000	Sound 73
47.600000	47.600000	Sound 74
48.880000	48.880000	Sound 75
49.200000	49.200000	Sound 76
49.680000	49.680000	Sound 77
50.000000	50.000000	Sound 78
50.480000	50.480000	Sound 79
51.200000	51.200000	Sound 80
52.480000	52.480000	Sound 81
53.200000	53.200000	Sound 82
53.680000	53.680000	Sound 83
54.400000	54.400000	Sound 84
54.880000	54.880000	Sound 85
55.200000	55.200000	Sound 86
56.480000	56.480000	Sound 87
56.800000	56.800000	Sound 88
57.280000	57.280000	Sound 89
57.600000	57.600000	Sound 90
58.080000	58.080000	Sound 91
58.400000	58.400000	Sound 92
58.880000	58.880000	Sound 93
59.200000	59.200000	Sound 94
60.480000	60.480000	Sound 95
61.200000	61.200000	Sound 96