Esophageal speeches modified by the Speech Enhancer Program^®

Figures & data

Figure 1.  Setting page shows setting cut-off frequency, filter order, and gain.

Figure 2.  Monitor page shows the signal in time domain and frequency domain: input signal is in the upper half, and enhanced signal is in the lower half.

Table 1. Articulation characteristics of the words

Articulation characteristic (number of phonemes)	Original speech, mean (S.D.)	Converted speech, mean (S.D.)	Change post-modified, mean (S.D.)
Accurate	27.71 (17.51)	26.71 (16.75)	To be inaccurate=9.14 (9.24)
			Remained accurate=18.57 (14.5)
Inaccurate	40.14 (17.74)	41.14 (16.78)	To be accurate=8.14 (7.21)
			Remained inaccurate=32 (5.66)

Table 2. Inaccurate phoneme and inaccurate occurrence of continuing speeches

Characteristic (phoneme, occurrence)	Original speech, mean (S.D.)	Converted speech, mean (S.D.)
Inaccurate phoneme	4.43 (1.89)	3.4 (3.61)
Inaccurate occurrence (time/passage)	6.8 (3.73)	5.11 (3.28)