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Figure 4 | EURASIP Journal on Audio, Speech, and Music Processing

Figure 4

From: The self-taught vocal interface

Figure 4

NMF-based learning against GMM-based learning. Upper part: for severe dysarthric speakers. Lower part: for speakers with extended training sets in the lower part. Numbered circles represent PID, and their locations indicate F-scores as a function of the number of utterances in the training sets. Furthermore, the smoothed curves are interpolations of the scattered F-scores using the LOWESS procedure, and they exemplify the performance of an average speaker.

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