World Volume; How World Volume Works; Getting Used To New Sounds - Bose hearphones User Manual

World Volume uses adjustable noise cancelling to control the loudness of live voices,
television, movies and other environmental sounds. You can adjust World Volume so it is
at the right level for your current activity.

How World Volume works

• As you increase World Volume, quiet sounds in the environment are amplified more
than loud sounds so that all sounds can be heard comfortably.
• As you decrease World Volume, sounds in the environment are reduced, enabling you
to focus on your activity, for example, listening to music or podcasts, reading or using
your mobile device.

Getting used to new sounds

Bose Hearphones™ may require you getting used to new, higher-frequency sounds and
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your voice sounding different. When first powering on your headphones, World Volume
is set so that sounds are amplified at a slightly higher level than if you were not using
the headphones.
In some cases, you may experience the perception that a loud environment is quiet and
your voice is loud, which may cause you to lower your voice. Practice listening to new
sounds and talking on your own or with a trusted partner in a familiar environment,
before you use your headphones for conversation.
Tip: If you want to use just one earbud while getting used to new sounds, you can
mute the other earbud with the Bose Hear app (see page 9).
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