Speech Rate Variation in Synchronous Speech

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چکیده

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Variability of speech rhythm in synchronous speech

Speakers are able to speak in synchrony to another speaker or to a recording of another speaker. The present research studied whether and, if yes, speakers change their speech rhythm when synchronizing to another speaker. We developed a measure (SRratio) which monitors on a scale between 0 and 1 whether the durational characteristics of a speaker’s synchronous speech are closer to his/her own r...

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Learning speech rate in speech recognition

A significant performance reduction is often observed in speech recognition when the rate of speech (ROS) is too low or too high. Most of present approaches to addressing the ROS variation focus on the change of speech signals in dynamic properties caused by ROS, and accordingly modify the dynamic model, e.g., the transition probabilities of the hidden Markov model (HMM). However, an abnormal R...

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Local Speech Rate Perception in German Speech

ABSTRACT A model for deriving perceived local speech rate directly out of the speech signal is developed based on perception experiments. Since local speech rate modifies acoustic cues (e.g. transitions and voice-onset time [5]), phones [1, 4, 7, 19], syllables [3, 15], and even words, it is one of the most important prosodic cues. Our local speech rate estimation method is based on a linear co...

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Effective acoustic modeling for rate-of-speech variation in large vocabulary conversational speech recognition

We investigate several variants of speech-rate-dependent acoustic models for large-vocabulary conversational speech recognition, in the framework of combining rate-specific models in decoding to compensate for speech rate variation. We study two basic approaches to combining rate-specific models: one combines models at the pronunciation level and the other at the HMM state level. Furthermore, w...

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ژورنال

عنوان ژورنال: Phonetics and Speech Sciences

سال: 2012

ISSN: 2005-8063

DOI: 10.13064/ksss.2012.4.4.019