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Original Articles

Feasibility of the Acoustic/EMG System for the Analysis of Instrumental Food Texture

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Pages 273-285 | Received 23 Mar 2005, Accepted 09 May 2005, Published online: 06 Feb 2007

Figures & data

Figure 1 Real time signals from subject 1 for Sun chip 1: A) right EMG (similar for left EMG), and B) acoustic.

Figure 1 Real time signals from subject 1 for Sun chip 1: A) right EMG (similar for left EMG), and B) acoustic.

Figure 2 Rectified signals from subject 1 for Sun chip 1 with baseline removed: A) right EMG (similar for left EMG), and B) acoustic.

Figure 2 Rectified signals from subject 1 for Sun chip 1 with baseline removed: A) right EMG (similar for left EMG), and B) acoustic.

Figure 3 Merged right and left EMG rectified signals with baseline removed from subject 1 for Sun chip 1.

Figure 3 Merged right and left EMG rectified signals with baseline removed from subject 1 for Sun chip 1.

Figure 4 Moving average of acoustic signal from subject 1 for Sun chip 1 at a window length of 600.

Figure 4 Moving average of acoustic signal from subject 1 for Sun chip 1 at a window length of 600.

Figure 5 Moving average of merged EMG from subject 1 for Sun chip 1 at a window length of 600.

Figure 5 Moving average of merged EMG from subject 1 for Sun chip 1 at a window length of 600.

Figure 6 Normalized moving average of merged EMG from subject 1 for Sun chip 1.

Figure 6 Normalized moving average of merged EMG from subject 1 for Sun chip 1.

Figure 7 Accumulative power from subject 1 for Sun chip 1: A) merged EMG, and B) acoustic.

Figure 7 Accumulative power from subject 1 for Sun chip 1: A) merged EMG, and B) acoustic.

Figure 8 Average maximum EMG signal for various foods during chewing.

Figure 8 Average maximum EMG signal for various foods during chewing.

Figure 9 Average maximum acoustic signal for various foods during chewing.

Figure 9 Average maximum acoustic signal for various foods during chewing.

Figure 10 Average EMG total accumulated energy for various foods during chewing.

Figure 10 Average EMG total accumulated energy for various foods during chewing.

Figure 11 Average acoustic total accumulated energy for various foods during chewing.

Figure 11 Average acoustic total accumulated energy for various foods during chewing.

Figure 12 Average EMG accumulated energy slope for various foods during chewing.

Figure 12 Average EMG accumulated energy slope for various foods during chewing.

Figure 13 Average acoustic accumulated energy slope for various foods during chewing.

Figure 13 Average acoustic accumulated energy slope for various foods during chewing.

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