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• W2783274584 abstract "In this paper, a novel multiscale amplitude feature is proposed using multiresolution analysis (MRA) and the significance of the vocal tract is investigated for emotion classification from the speech signal. MRA decomposes the speech signal into number of sub-band signals. The proposed feature is computed by using sinusoidal model on each sub-band signal. Different emotions have different impacts on the vocal tract. As a result, vocal tract responds in a unique way for each emotion. The vocal tract information is enhanced using pre-emphasis. Therefore, emotion information manifested in the vocal tract can be well exploited. This may help in improving the performance of emotion classification. Emotion recognition is performed using German emotional EMODB database, interactive emotional dyadic motion capture database, simulated stressed speech database, and FAU AIBO database with speech signal and speech with enhanced vocal tract information (SEVTI). The performance of the proposed multiscale amplitude feature is compared with three different types of features: 1) the mel frequency cepstral coefficients; 2) the Teager energy operator (TEO)-based feature (TEO-CB-Auto-Env); and 3) the breathinesss feature. The proposed feature outperforms the other features. In terms of recognition rates, the features derived from the SEVTI signal, give better performance compared to the features derived from the speech signal. Combination of the features with SEVTI signal shows average recognition rate of 86.7% using EMODB database." @default.
• W2783274584 created "2018-01-26" @default.
• W2783274584 creator A5030663279 @default.
• W2783274584 creator A5054575194 @default.
• W2783274584 date "2019-03-01" @default.
• W2783274584 modified "2023-10-18" @default.
• W2783274584 title "Multiscale Amplitude Feature and Significance of Enhanced Vocal Tract Information for Emotion Classification" @default.
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• W2783274584 doi "https://doi.org/10.1109/tcyb.2017.2787717" @default.
• W2783274584 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/29993975" @default.
• W2783274584 hasPublicationYear "2019" @default.
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