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Novel Approaches to Speech Detection in the Processing of Continuous Audio Streams InTech
Janez Zibert; Bostjan Vesnicer; France Mihelic.
This chapter addresses the problem of speech detection in continuous audio streams and explores the impact of speech/non-speech segmentation on speech-processing applications. We proposed a novel approach for deriving speech-detection features based on phoneme transcriptions from generic speech-recognition systems. The proposed phoneme-recognition features were designed to be recognizer and language independent and could be applied in different speech/non-speech segmentation-classification frameworks. In our evaluation experiments two segmentation-classification frameworks were tested, one based on the Viterbi decoding of hidden Markov models, where speech/non-speech segmentation and detection were performed simultaneously, and the other framework, where...
Tipo: 2 Palavras-chave: Robust Speech Recognition and Understanding.
Ano: 2007 URL: http://www.intechopen.com/articles/show/title/novel_approaches_to_speech_detection_in_the_processing_of_continuous_audio_streams
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