Class Program

tts/tts-dotnet-quickstart/Program.cs:16–457

namespace TtsCsharpQuickstart;

class Program
{
    // Constants
    private const string HumeApiKey = "HUME_API_KEY";
    public const string DefaultVoiceName = "Ava Song";
    public const string Example1Text = "Dogs became domesticated between 23,000 and 30,000 years ago.";
    private const int VoiceCreationDelaySeconds = 8;
    
    private static string? _apiKey;
    private static HumeClient? _client;

    public static PostedTts Example1RequestParams => new PostedTts
    {
        Utterances = new List<PostedUtterance>
        {
            new PostedUtterance
            {
                Text = Example1Text,
                Voice = new PostedUtteranceVoiceWithName
                {
                    Name = DefaultVoiceName,
                    Provider = new VoiceProvider(VoiceProvider.Values.HumeAi)
                }
            }
        },
        // With `stripHeaders: true`, only the first audio chunk will contain
        // headers in container formats (wav, mp3). This allows you to start a
        // single audio player and stream all audio chunks to it without artifacts.
        StripHeaders = true,
    };

    static async Task RunExamplesAsync()
    {
        // Get the API key from .env file
        Env.Load();

        Console.WriteLine("Starting...");

        _apiKey = Environment.GetEnvironmentVariable(HumeApiKey);
        if (string.IsNullOrEmpty(_apiKey))
        {
            throw new InvalidOperationException($"{HumeApiKey} not found in environment variables.");
        }

        _client = new HumeClient(_apiKey);

        await Example1Async();
        await Example2Async();
        await Example3Async();

        Console.WriteLine("Done");
    }

    static async Task Main(string[] args)
    {
        await RunExamplesAsync();
    }