Sony DIGITAL NOISE CANCELING HEADPHONES MDR-NC500D - Manual (Page 5)

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SALES PITCH FOR MDR-NC500D Digital Noise Canceling Headphones
MDR-NC500D headphones use Digital technology to realize incredible noise
reduction along with pristine quality audio. The lightweight, ear-conscious
design offers premium comfort, even after extended use. For added
convenience, the built-in monitor switch lets your customer hear surrounding
sound without taking off the headphones.
A unique feature of the technology used in Sony's MDR-NC500D is the use of
artificial intelligence noise canceling. Sony engineers observed that the
effectiveness of noise canceling varied according to noise environment. The
engineers identified aircraft , trains/buses and offices as the three most
common noise environments in which noise canceling headphones are used.
Based on this finding, Sony engineers creating three noise canceling modes
optimized for each environment. With AI noise canceling, the headphones
analyze the ambient noise and automatically select the appropriate mode.
SALES TIP: DIGITAL EQUALIZER
The Digital Equalizer delivers superb digital audio quality – sound with rich bass and crisp
mid-and high-range frequencies. By going digital, the MDR-NC500D headphones deliver a
balanced and rich sound while still delivering the highest level of noise cancelation when
traveling or working.