Recently, & ldquo; Wearing headphones or damage to hearing & rdquo; information on the subway bus for a long time appeared on the hot search list.
According to the Shanghai rumor platform, Tang Dongmei, the attending physician of the Department of Ear and Ear and Eurry Hospital, Affiliated to Fudan University, said,Generally, the external environment of more than 60 decibels may damage the hearing, and the noise on the subway may exceed 80 decibels.
Listening to music on the subway, the volume must be opened until the environmental sound is greater before you can hear the content. Therefore, it is not recommended to wear headphones to listen to audio when taking a sub -bus and other means of transportation, which may damage hearing.
So does the opportunity to wear noise -canceling ear damage to hearing?
The principle of noise reduction headset is to generate reverse sound waves that are equal to the outside world by active noise reduction system, which neutralize noise to achieve the effect of noise reduction.
Tang Dongmei said that the reverse sound waves generated by noise -canceling headphones generally do not damage hearing, but they cannot blindly rely on noise reduction headphones to protect hearing.
Tang Dongmei suggested,In a noisy environment, you can only turn on the noise reduction function when wearing noise -canceling headphones, do not open the listening function (transparent mode), and reduce the decibels received by the ears. This can protect the hearing.
Experts remind that no matter what kind of headphones we wear, we must remember the principle of & ldquo; 60-60-60 & rdquo; that is, the volume should not exceed 60%of the total volume. 60 decibels.