Sony MDR-NC500D Manual

MDR-NC500D is the Digital Noise Canceling Headphones, which Sony developed as the

first of their kind in the world.

For this development, Sony put in all of its acoustical analysis technology, digital signal

processing technology and transducer technology.

By digitizing the noise canceling function, we succeeded in improving the performance in

the following points which, were difficult to be addressed with the conventional analog signal
processing:

• High canceling performance
• AI (Artificial Intelligence) Noise Canceling function
• Excellent sound quality
• Higher Signal to Noise ratio