Smartphone-Based Cognitive Assistance of Blind People in Room Recognition and Awareness

Table 1

Description of absence and presence of ambient sound.

Room type	Number of times	Absence of ambient sound (%)	Presence of ambient sound (%)
Faculty Office 1	127	90.55	68.50
Faculty Office 2	147	84.35	54.42
Faculty Office 3	137	79.56	52.55
Laboratory 1	143	83.92	37.06
Laboratory 2	105	78.1	45.71
Laboratory 3	133	89.47	42.11
Classroom 1	111	90.99	45.05
Classroom 2	134	91.04	29.10
Classroom 3	128	85.16	37.50
Classroom 4	145	95.86	42.76
Laboratory	150	93.12	37.33
Total	1460	87.47	44.74