This opposite signal is then injected into the sound
The Pacific region, including the Philippines, India and Indonesia, is characterized by linguistic diversity. Some languages are spoken by only a few hundred people. The United Nations is grappling with the disappearance of languages. In response to the language crisis, the United Nations declared 2019-2018 as the International Decade of Indigenous Languages. Protecting them is important for all of humanity, UNGA stresses: As every indigenous language disappears, thought.What's happening Dyson launches headphones with active noise cancellation and personal face mask filters. The earphones capture air, which is then filtered and sent through the mask. The Dyson Zone purifies the air of air pollutants such as allergens and construction dust, as well as gaseous pollutants such moible number data as sulfur. Active Noise Cancellation uses a microphone to capture noise and produce an inverted signal.source, thereby removing ambient noise. The earphone battery lasts for hours for listening to music. But in the mode of listening to music and purifying the air at the same time, the device can only work for four hours.
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Headphones without a purifier weigh in grams, and headphones with a purifier weigh in grams. The headset went on sale in China in 2019, and the device will be available in the US, UK, Hong Kong and Singapore from 2019. what does that mean Air pollution is one of the major health problems. Long-term exposure to polluted air can lead to respiratory and cardiovascular disease, stroke and lung cancer. It also contributes to climate change, acid rain, and damage to crops and natural habitats.
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