A note on vocal tract size factors and non-uniform F-pattern scalings
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On the Use of a Wave-Reflection Model for the Estimation of Spectral Effects due to Vocal Tract Length Changes with Application to Automatic Speech Recognition
Vocal tract length normalization (VTLN) is commonly used in state-of-the-art automatic speech recognition (ASR) systems to reduce the mismatch between speaker-dependent formant frequency scalings. Usually, the normalization is done by a piece-wise linear scaling of the filter bank center frequencies. The linear scaling is motivated by a uniform acoustic tube model that does not take any loss ef...
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تاریخ انتشار 2007