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Fig. 3 | BMC Public Health

Fig. 3

From: Sound pressure levels generated at risk volume steps of portable listening devices: types of smartphone and genres of music

Fig. 3

A mean comparison of sound output levels for 20 songs measured at various risk volume steps. Each panel indicates the six smartphones that displayed the first risk volume level (RL) and the levels of their consequent volume steps (RL + 1, RL + 2, ..., RL + 6) displayed as a function of frequency: (a) Galaxy S6, (b) Galaxy Note 3, (c) I-phone 5S, (d) I-phone 6, (e) LG G2, (f) LG G3

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BMC Public Health

ISSN: 1471-2458

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