public static async Task <string> RecognizeSpeechFromUrlAsync(string url, string locale)
{
byte[] audioData = null;
using (var wc = new System.Net.WebClient())
{
audioData = wc.DownloadData(url);
}
var stream = new MemoryStream(audioData);
var speechApiKey = Environment.GetEnvironmentVariable("SpeechApiKey");
var speechApiRegion = Environment.GetEnvironmentVariable("SpeechApiRegion");
var speechConfig = SpeechConfig.FromSubscription(speechApiKey, speechApiRegion);
speechConfig.SpeechRecognitionLanguage = locale;
var audioFormat = AudioStreamFormat.GetWaveFormatPCM(16000, 16, 1);
var audioStream = new VoiceAudioStream(stream);
var audioConfig = AudioConfig.FromStreamInput(audioStream, audioFormat);
var recognizer = new SpeechRecognizer(speechConfig, audioConfig);
var result = await recognizer.RecognizeOnceAsync();
return(result.Text);
}
public static async Task <string> RecognizeSpeechFromBytesAsync(byte[] bytes, string locale)
{
MemoryStream stream = new MemoryStream(bytes);
var speechApiKey = Environment.GetEnvironmentVariable("SpeechApiKey");
var speechApiRegion = Environment.GetEnvironmentVariable("SpeechApiRegion");
var speechConfig = SpeechConfig.FromSubscription(speechApiKey, speechApiRegion);
speechConfig.SpeechRecognitionLanguage = locale;
var audioFormat = AudioStreamFormat.GetWaveFormatPCM(16000, 16, 1);
var audioStream = new VoiceAudioStream(stream);
var audioConfig = AudioConfig.FromStreamInput(audioStream);
var recognizer = new SpeechRecognizer(speechConfig, audioConfig);
var result = await recognizer.RecognizeOnceAsync();
return(result.Text);
}