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Digital Media Player
NW-A25/A25HN/A26HN/A27HN
What is noise canceling?
The headphones equipped with the noise canceling function detect ambient noise using the built-in microphone and
output antiphase sound to reduce the noise. This reduces unwanted ambient noise, especially in a vehicle such as an
airplane, train or bus, allowing you to enjoy music even at a low volume.
Waveform of noise (original sound) ( )
The microphone built into the headphones picks up ambient noise, then the noise canceling circuit analyzes the signal of
the noise.
Waveform of antiphase sound ( )
Antiphase sound that cancels out the analyzed noise is generated.
Waveform of composed and canceled noise ( )
The original and antiphase sound combine to cancel out the original sound, reducing noise at the eardrums.
Related Topic
Using noise canceling
4-573-951-11(1)
Copyright 2015 Sony Corporation
Help Guide
How to Use
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