ITU-T H.870 PDF

This Recommendation describes the requirements on safe listening devices and systems, especially those for playing music, to protect people from hearing loss.

For the purposes of this Recommendation, the following types of devices are excluded: – two-way communication devices (such as walkie-talkies, etc.);

– rehabilitative and medical devices (e.g., hearing aids, FM systems and other assistive listening devices (ALD) approved as part of hearing aid and cochlear implant systems, etc.);

– personal sound amplification devices;

– professional audio equipment and devices.

NOTE – There are concerns about the exposure to sound from portable game consoles, but this is for future study.