public static async Task RecognitionWithPushAudioStreamAsync()
{
// Creates an instance of a speech config with specified subscription key and service region.
// Replace with your own subscription key and service region (e.g., "westus").
var config = SpeechConfig.FromSubscription("YourSubscriptionKey", "YourServiceRegion");
var stopRecognition = new TaskCompletionSource <int>();
// Create a push stream
using (var pushStream = AudioInputStream.CreatePushStream())
{
using (var audioInput = AudioConfig.FromStreamInput(pushStream))
{
// Creates a speech recognizer using audio stream input.
using (var recognizer = new SpeechRecognizer(config, audioInput))
{
// Subscribes to events.
recognizer.Recognizing += (s, e) =>
{
Console.WriteLine($"RECOGNIZING: Text={e.Result.Text}");
};
recognizer.Recognized += (s, e) =>
{
if (e.Result.Reason == ResultReason.RecognizedSpeech)
{
Console.WriteLine($"RECOGNIZED: Text={e.Result.Text}");
}
else if (e.Result.Reason == ResultReason.NoMatch)
{
Console.WriteLine($"NOMATCH: Speech could not be recognized.");
}
};
recognizer.Canceled += (s, e) =>
{
Console.WriteLine($"CANCELED: Reason={e.Reason}");
if (e.Reason == CancellationReason.Error)
{
Console.WriteLine($"CANCELED: ErrorCode={e.ErrorCode}");
Console.WriteLine($"CANCELED: ErrorDetails={e.ErrorDetails}");
Console.WriteLine($"CANCELED: Did you update the subscription info?");
}
stopRecognition.TrySetResult(0);
};
recognizer.SessionStarted += (s, e) =>
{
Console.WriteLine("\nSession started event.");
};
recognizer.SessionStopped += (s, e) =>
{
Console.WriteLine("\nSession stopped event.");
Console.WriteLine("\nStop recognition.");
stopRecognition.TrySetResult(0);
};
// Starts continuous recognition. Uses StopContinuousRecognitionAsync() to stop recognition.
await recognizer.StartContinuousRecognitionAsync().ConfigureAwait(false);
// open and read the wave file and push the buffers into the recognizer
using (BinaryAudioStreamReader reader = Helper.CreateWavReader(@"whatstheweatherlike.wav"))
{
byte[] buffer = new byte[1000];
while (true)
{
var readSamples = reader.Read(buffer, (uint)buffer.Length);
if (readSamples == 0)
{
break;
}
pushStream.Write(buffer, readSamples);
}
}
pushStream.Close();
// Waits for completion.
// Use Task.WaitAny to keep the task rooted.
Task.WaitAny(new[] { stopRecognition.Task });
// Stops recognition.
await recognizer.StopContinuousRecognitionAsync().ConfigureAwait(false);
}
}
}
}
// Translation using compressed file input.
public static async Task TranslationWithFileCompressedInputAsync()
{
// <TranslationWithFileCompressedInputAsync>
// Translation source language with compressed format.
// Replace with a language of your choice.
string fromLanguage = "en-US";
// Creates an instance of a speech translation config with specified subscription key and service region.
// Replace with your own subscription key and service region (e.g., "westus").
var config = SpeechTranslationConfig.FromSubscription("YourSubscriptionKey", "YourServiceRegion");
config.SpeechRecognitionLanguage = fromLanguage;
// Translation target language(s).
// Replace with language(s) of your choice.
config.AddTargetLanguage("de");
config.AddTargetLanguage("fr");
var stopTranslation = new TaskCompletionSource <int>();
// Creates a translation recognizer using file as audio input.
using (var pushStream = AudioInputStream.CreatePushStream(AudioStreamFormat.GetCompressedFormat(AudioStreamContainerFormat.MP3)))
{
using (var audioInput = AudioConfig.FromStreamInput(pushStream))
{
using (var recognizer = new TranslationRecognizer(config, audioInput))
{
// Subscribes to events.
recognizer.Recognizing += (s, e) =>
{
Console.WriteLine($"RECOGNIZING in '{fromLanguage}': Text={e.Result.Text}");
foreach (var element in e.Result.Translations)
{
Console.WriteLine($" TRANSLATING into '{element.Key}': {element.Value}");
}
};
recognizer.Recognized += (s, e) =>
{
if (e.Result.Reason == ResultReason.TranslatedSpeech)
{
Console.WriteLine($"RECOGNIZED in '{fromLanguage}': Text={e.Result.Text}");
foreach (var element in e.Result.Translations)
{
Console.WriteLine($" TRANSLATED into '{element.Key}': {element.Value}");
}
}
else if (e.Result.Reason == ResultReason.RecognizedSpeech)
{
Console.WriteLine($"RECOGNIZED: Text={e.Result.Text}");
Console.WriteLine($" Speech not translated.");
}
else if (e.Result.Reason == ResultReason.NoMatch)
{
Console.WriteLine($"NOMATCH: Speech could not be recognized.");
}
};
recognizer.Canceled += (s, e) =>
{
Console.WriteLine($"CANCELED: Reason={e.Reason}");
if (e.Reason == CancellationReason.Error)
{
Console.WriteLine($"CANCELED: ErrorCode={e.ErrorCode}");
Console.WriteLine($"CANCELED: ErrorDetails={e.ErrorDetails}");
Console.WriteLine($"CANCELED: Did you update the subscription info?");
}
stopTranslation.TrySetResult(0);
};
recognizer.SpeechStartDetected += (s, e) =>
{
Console.WriteLine("\nSpeech start detected event.");
};
recognizer.SpeechEndDetected += (s, e) =>
{
Console.WriteLine("\nSpeech end detected event.");
};
recognizer.SessionStarted += (s, e) =>
{
Console.WriteLine("\nSession started event.");
};
recognizer.SessionStopped += (s, e) =>
{
Console.WriteLine("\nSession stopped event.");
Console.WriteLine($"\nStop translation.");
stopTranslation.TrySetResult(0);
};
// Starts continuous recognition. Uses StopContinuousRecognitionAsync() to stop recognition.
Console.WriteLine("Start translation...");
await recognizer.StartContinuousRecognitionAsync().ConfigureAwait(false);
// Replace with your own audio file name.
using (BinaryAudioStreamReader reader = Helper.CreateBinaryFileReader(@"whatstheweatherlike.mp3"))
{
byte[] buffer = new byte[1000];
while (true)
{
var readSamples = reader.Read(buffer, (uint)buffer.Length);
if (readSamples == 0)
{
break;
}
pushStream.Write(buffer, readSamples);
}
}
pushStream.Close();
// Waits for completion.
// Use Task.WaitAny to keep the task rooted.
Task.WaitAny(new[] { stopTranslation.Task });
// Stops translation.
await recognizer.StopContinuousRecognitionAsync().ConfigureAwait(false);
}
}
}
// </TranslationWithFileCompressedInputAsync>
}
