Feature selection for automated speech scoring.
Anastassia LoukinaKlaus ZechnerLei ChenMichael HeilmanPublished in: BEA@NAACL-HLT (2015)
Keyphrases
- feature selection
- speech recognition
- text categorization
- feature extraction
- semi automated
- mutual information
- support vector
- feature space
- classification accuracy
- speech signal
- endpoint detection
- neural network
- broadcast news
- automatic speech recognition
- information gain
- feature subset
- machine learning
- speech transcripts
- recognition engine
- speech synthesis
- multi class
- emotion recognition
- discriminative features
- feature set
- text classification
- model selection
- feature weighting
- dimensionality reduction
- automated analysis
- language acquisition
- irrelevant features
- unsupervised feature selection
- spontaneous speech
- multi task
- forward selection
- method for feature selection
- multi modal
- scoring model