private static async Task <RecognitionResult> SendRequestAsync(CustomSpeechServiceOptions options, int serviceUrlIndex)
{
using (var client = SpeechRecognitionServiceFactory.CreateDataClient(SpeechRecognitionMode.ShortPhrase,
"en-us",
options.PrimaryKey,
options.SecondaryKey,
options.ServiceUrls[serviceUrlIndex]))
{
var tcs = new TaskCompletionSource <RecognitionResult>();
client.AuthenticationUri = options.AuthenticationUrl;
client.OnResponseReceived += (sender, e) =>
{
tcs.SetResult(e.PhraseResponse);
};
client.OnConversationError += (sender, e) =>
{
tcs.SetException(new InvalidOperationException(e.SpeechErrorText));
};
using (var audioFileStream = new FileStream(Path.Combine(Directory.GetCurrentDirectory(), options.AudioFile), FileMode.Open, FileAccess.Read))
{
int bytesRead = 0;
byte[] buffer = new byte[1024];
try
{
do
{
bytesRead = audioFileStream.Read(buffer, 0, buffer.Length);
client.SendAudio(buffer, bytesRead);
}while (bytesRead > 0);
}
finally
{
client.EndAudio();
}
}
return(await tcs.Task);
}
}
private static async Task RunAsync(CustomSpeechServiceOptions options)
{
for (int index = 0; index < options.ServiceUrls.Length; index++)
{
Console.WriteLine($"Service URL: {options.ServiceUrls[index]}");
var response = await SendRequestAsync(options, index);
Console.WriteLine($"RecognitionStatus: {response.RecognitionStatus}");
foreach (var result in response.Results)
{
Console.WriteLine($"Result DisplayText: {result.DisplayText}");
Console.WriteLine($"Result Confidence: {result.Confidence}");
}
Console.WriteLine();
}
}
