public static IEnumerable <ClosedCaptionSegment> Convert(
string gsLink)
{
using (Stream credentialsStream = new FileStream(
_credentialsPath, FileMode.Open))
{
var googleCredential = GoogleCredential
.FromStream(credentialsStream);
//var channel = new Grpc.Core.Channel(
// SpeechClient.DefaultEndpoint,//.Host,
// googleCredential.ToChannelCredentials());
var client = new SpeechClientBuilder
{
ChannelCredentials = googleCredential.ToChannelCredentials()
};
var speech = client.Build();
var recognitionAudio = RecognitionAudio
.FromStorageUri(gsLink);
var longOperation = speech.LongRunningRecognize(
new RecognitionConfig
{
Encoding = RecognitionConfig.Types.AudioEncoding.Flac,
//SampleRateHertz = 44100,
LanguageCode = "en",
EnableWordTimeOffsets = true,
EnableAutomaticPunctuation = true,
ProfanityFilter = false,
}, recognitionAudio);
longOperation = longOperation.PollUntilCompleted();
var response = longOperation.Result;
foreach (var result in response.Results)
{
foreach (var alternative in result.Alternatives)
{
yield return(new ClosedCaptionSegment(alternative));
}
}
}
}
private void openAudioBtn_Click(object sender, RoutedEventArgs e)
{
System.Windows.Forms.OpenFileDialog fileDiag = new System.Windows.Forms.OpenFileDialog();
// fileDiag.Filter = "Text files (*txt)|*.txt";
if (fileDiag.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
selectedFileName = fileDiag.FileName;
}
if (selectedFileName != "")
{
SpeechClientBuilder builder = new SpeechClientBuilder
{
CredentialsPath = @"C:\Users\vdmil\Downloads\my_key.json"
};
SpeechClient speech = builder.Build();
var response = speech.Recognize(new RecognitionConfig()
{
Encoding = RecognitionConfig.Types.AudioEncoding.EncodingUnspecified,
SampleRateHertz = 16000,
LanguageCode = "en",
}, RecognitionAudio.FromFile(selectedFileName));
textEntry.Document.Blocks.Clear();
string tempStr = "";
foreach (var result in response.Results)
{
foreach (var alternative in result.Alternatives)
{
tempStr += alternative.Transcript;
}
}
textEntry.Document.Blocks.Add(new Paragraph(new Run(tempStr)));
}
selectedFileName = "";
}
static object SyncRecognizeWithCredentials(string filePath, string credentialsFilePath)
{
SpeechClientBuilder builder = new SpeechClientBuilder
{
CredentialsPath = credentialsFilePath
};
SpeechClient speech = builder.Build();
var response = speech.Recognize(new RecognitionConfig()
{
Encoding = RecognitionConfig.Types.AudioEncoding.Linear16,
SampleRateHertz = 16000,
LanguageCode = "en",
}, RecognitionAudio.FromFile(filePath));
foreach (var result in response.Results)
{
foreach (var alternative in result.Alternatives)
{
Console.WriteLine(alternative.Transcript);
}
}
return(0);
}
private void Recognize()
{
SpeechClientBuilder builder = new SpeechClientBuilder();
builder.CredentialsPath = GOOGLE_API_CREDS_PATH;
SpeechClient client = builder.Build();
RecognizeRequest request = new RecognizeRequest()
{
Audio = RecognitionAudio.FromFile(TEMP_AUDIO_PATH),
Config = new RecognitionConfig()
{
Encoding = RecognitionConfig.Types.AudioEncoding.EncodingUnspecified,
LanguageCode = "ru-RU",
EnableWordTimeOffsets = false
}
};
RecognizeResponse response = client.Recognize(request);
Result.Text = string.Join("\n", response.Results.Select(
result => result.Alternatives[0].Transcript
));
}
private void stopRecordAudio_PreviewMouseDown(object sender, MouseButtonEventArgs e)
{
waveIn.StopRecording();
stopRecordAudio.Visibility = Visibility.Hidden;
recordAudio.Visibility = Visibility.Visible;
if (File.Exists(audioOutput))
{
File.Delete(audioOutput);
}
writer = new WaveFileWriter(audioOutput, waveIn.WaveFormat);
byte[] buffer = new byte[bwp.BufferLength];
int offset = 0;
int count = bwp.BufferLength;
var read = bwp.Read(buffer, offset, count);
if (count > 0)
{
writer.Write(buffer, offset, read);
}
waveIn.Dispose();
waveIn = new WaveIn();
waveIn.DataAvailable += WaveIn_DataAvailable;
waveIn.WaveFormat = new NAudio.Wave.WaveFormat(16000, 1);
writer.Close();
writer = null;
if (File.Exists(audioOutput))
{
SpeechClientBuilder builder = new SpeechClientBuilder
{
CredentialsPath = @"C:\Users\vdmil\Downloads\my_key.json"
};
SpeechClient speech = builder.Build();
var response = speech.Recognize(new RecognitionConfig()
{
Encoding = RecognitionConfig.Types.AudioEncoding.Linear16,
SampleRateHertz = 16000,
LanguageCode = "en",
}, RecognitionAudio.FromFile(audioOutput));
textEntry.Document.Blocks.Clear();
string tempStr = "No data available";
foreach (var result in response.Results)
{
foreach (var alternative in result.Alternatives)
{
tempStr = alternative.Transcript;
}
}
textEntry.Document.Blocks.Add(new Paragraph(new Run(tempStr)));
}
else
{
textEntry.Document.Blocks.Add(new Paragraph(new Run("Audio File Missing")));
}
}
Material transcribeFromObject(string gcsUri, string langCode)
{
SpeechClientBuilder scb = new SpeechClientBuilder();
scb.CredentialsPath = fnCredential;
var speech = scb.Build();
//var audio = RecognitionAudio.FromFile(fnAudio);
var audio = RecognitionAudio.FromStorageUri(gcsUri);
var config = new RecognitionConfig
{
Encoding = RecognitionConfig.Types.AudioEncoding.Flac,
SampleRateHertz = 16000,
LanguageCode = langCode,
EnableAutomaticPunctuation = true,
EnableWordTimeOffsets = true,
ProfanityFilter = false,
};
var op = speech.LongRunningRecognize(config, audio);
op = op.PollUntilCompleted();
var response = op.Result;
Material mat = new Material();
foreach (var result in response.Results)
{
Segment segm = new Segment();
var srAlt = result.Alternatives[0];
for (int i = 0; i < srAlt.Words.Count; ++i)
{
var srWord = srAlt.Words[i];
decimal startMSec = (decimal)Math.Round(srWord.StartTime.ToTimeSpan().TotalSeconds * 1000.0);
decimal endMSec = (decimal)Math.Round(srWord.EndTime.ToTimeSpan().TotalSeconds * 1000.0);
var word = new Word
{
StartSec = startMSec / 1000,
LengthSec = (endMSec - startMSec) / 1000,
Text = srWord.Word,
};
if (char.IsPunctuation(word.Text[word.Text.Length - 1]))
{
word.Trail = word.Text.Substring(word.Text.Length - 1);
word.Text = word.Text.Substring(0, word.Text.Length - 1);
}
segm.Words.Add(word);
if (word.Trail == "." || word.Trail == "?" || word.Trail == "!")
{
segm.StartSec = segm.Words[0].StartSec;
segm.LengthSec = segm.Words[segm.Words.Count - 1].StartSec + segm.Words[segm.Words.Count - 1].LengthSec - segm.StartSec;
mat.Segments.Add(segm);
segm = new Segment();
}
}
if (segm.Words.Count > 0)
{
segm.StartSec = segm.Words[0].StartSec;
segm.LengthSec = segm.Words[segm.Words.Count - 1].StartSec + segm.Words[segm.Words.Count - 1].LengthSec - segm.StartSec;
mat.Segments.Add(segm);
}
}
return(mat);
}
