Sony releases the world's first noise canceling headphone that cuts 99% of surrounding noise

It is said that Sony will release the noise canceling headphone "MDR - NC 500 D" which can cut the surrounding noise by 99% for the first time in the world.

Conventional noise canceling headphones could only suppress the noise to about 1/4, but in addition to significantly improving the performance by installing a new noise processing function, by correcting the reproduction sound, high sound quality I realized that music playback was realized.

Details are as below.
Noise canceling headphone released with digital signal processing released | Press Release | Company Information | Sony Marketing Co., Ltd.

According to this release, Sony seems to release the noise canceling headphone "MDR-NC500D" which can reduce surrounding noises by about 99% in the world on April 21.

This means that the noise cancellation function conventionally performed by analog signal processing is digitized by using the "DNC (digital noise canceling) software engine" which digitizes the newly developed noise and processes it at high speed By performing thorough filter processing, it realized a significant noise reduction.

Also, by analyzing surrounding noises such as noise of aircraft, noise in trains and buses, noises of office equipment such as offices and study rooms and air conditioning equipment, and automatically selects the optimal noise canceling mode "AI noise cancellation Ring function "is carried.

And in general noise canceling headphones, since the sound which raised the low frequency range to realize good cancellation performance was characterized, reproduction sound was also influenced by the canceling function, but the reproduction sound It is said that high sound quality reproduction is realized by "digital equalizer" which realizes high quality sound reproduction with realistic correction by digital signal processing.

This is the system configuration of digital noise canceling.


In addition, by adopting magnesium and ultra-duralumin in the material, it is lightweight as well as 195 grams, and because it uses low rebound ear pads as cushioning material, it can be used for a long time. The suggested suggested retail price seems to be 49,350 yen including tax.

Although it is expensive headphones, it may be good for people who want to cut down noise as much as possible and enjoy music.