Methods of Improving Speech Intelligibility for Listeners with Hearing Resolution Deficit

Diagnostic Pathology

Table 3 Results of hearing tests obtained for the hearing impaired children with reduced hearing resolution threshold (TCT₅₀ < 5.71 vowels/s)

No	Age	Hearing thresholds [dB HL]	TCT₅₀[vowels/s]	WER [%] ROS_mean¹	WER [%] ROS_mean²
1 (CI)	9	85^†	5.04	23.33	58.33
2 (CI)	9	95^†	5.34	26.67	53.33
3 (CI)	14	100^†	5.01	36.67	66.67
4 (HA)	12	68.75^*	4.53	0	62.50
5 (HA)	12	65^*	5.39	13.33	66.67
6 (HA)	6	33.75^*	5.66	6.67	29.17
average value	10.33	74.58	5.16	17.78	56.11
standard deviation	2.87	24,35	0.39	13.61	14.16

Meaning of the symbols near the results of hearing threshold is as follows: *- tonal audiometry results; † − ABR results.

ISSN: 1746-1596