private static void Initialize(string modelFolder)
{
Trace.TraceInformation("ScoringHost::Initialize(), Path=" + modelFolder);
try
{
NativeMethods.LoadModel(modelFolder); // alignment by likelihood
var t = string.Format("HTKfunctions -C {0}", Path.Combine(modelFolder, "hcopy.config"));
NativeMethods.InitializeMfcExtraction(string.Format("HTKfunctions -C {0}", Path.Combine(modelFolder, "hcopy.config")));
NativeMethods.InitializeF0Extraction(
string.Format("F0Extraction -C {0}", Path.Combine(modelFolder, "getf0.config")));
phonemeDictionary = new HashSet <string>(ParsePhonemeDictionay(Path.Combine(modelFolder, "evadict")));
PhonemeConverter.Initialize(Path.Combine(modelFolder, "cmudict"));
}
catch (Exception e)
{
Trace.TraceError(
"ScoringHost::Initialize(), unexpected exception, Message={0}, Stack={1}",
e.Message,
e.StackTrace);
throw;
}
}
private static SentenceEvaluationResult CreateSentenceEvaluationResult(int wordsCount, string[] phonemeNativeResults, double[] f0Data, SupportedLanguage language)
{
if (phonemeNativeResults == null || phonemeNativeResults.Length <= 0)
{
throw new ArgumentException("Phoneme evaluation result is null or empty.");
}
var validPhonemeNativeResults = phonemeNativeResults.Select(l => new PhonemeNativeResult(l)).Where(p => p.IsValid);
var startWordsCount = validPhonemeNativeResults.Count(n => n.IsStartOfWord);
if (startWordsCount != wordsCount)
{
throw new ArgumentException("Word count of phoneme evaluation result is not equal to original sentence.");
}
if (!validPhonemeNativeResults.First().IsStartOfWord)
{
throw new ArgumentException("The first phoneme is not start of a word.");
}
var enumerator = validPhonemeNativeResults.GetEnumerator();
List <PhonemeEvaluationResult> wordPhonemeEvaluationResults = null;
var sentenceEvaluationResult = new SentenceEvaluationResult
{
Words = new List <WordEvaluationResult>(),
};
var currentWord = string.Empty;
while (true)
{
var eof = !enumerator.MoveNext();
if ((eof || enumerator.Current.IsStartOfWord) &&
(wordPhonemeEvaluationResults != null && wordPhonemeEvaluationResults.Count != 0))
{
var phonemesAvgScore = wordPhonemeEvaluationResults.Average(n => n.Score);
sentenceEvaluationResult.Words.Add(
new WordEvaluationResult
{
Score = Math.Round(ScoringHost.GetScorePercentage(phonemesAvgScore), 2),
StartTime = wordPhonemeEvaluationResults.First().StartTime,
EndTime = wordPhonemeEvaluationResults.Last().EndTime,
Word = currentWord,
Phonemes = wordPhonemeEvaluationResults,
});
}
if (eof)
{
break;
}
if (enumerator.Current.IsStartOfWord)
{
currentWord = enumerator.Current.Word;
wordPhonemeEvaluationResults = new List <PhonemeEvaluationResult>();
}
var phonemeEvaluationResult = new PhonemeEvaluationResult(enumerator.Current);
if (language == SupportedLanguage.English)
{
phonemeEvaluationResult.Phoneme = PhonemeConverter.ConvertToIPA(phonemeEvaluationResult.Phoneme, currentWord, wordPhonemeEvaluationResults.Count());
}
wordPhonemeEvaluationResults.Add(phonemeEvaluationResult);
}
var wordsAvgScore = sentenceEvaluationResult.Words.Average(w => w.Score);
sentenceEvaluationResult.Score = Math.Round(wordsAvgScore, 2);
sentenceEvaluationResult.ToneF0Data = f0Data;
return(sentenceEvaluationResult);
}