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    Philips Support

    How does SafeSound work?

    Published on 2017-02-28

    When you listen to music through the bi-packed earphones, the sound pressure on your ears is estimated¹ based on the electrical characteristics of the player and earphones. Then, the estimate is compared against the reference levels² of sound pressure. As a result, icons of different colors can be displayed to indicate status of sound pressure and the levels of risks to hearing damage.

    Footnote:

    ¹The methodology is based on European norm (50332-1/2).

    ²The reference levels come from the minimum requirement for health and safety that the European directive 2003/10/EC provides for the noises exposed to individuals.

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