Noise

One of eVTOL companies' core promises is that these electric air taxis will be vastly quieter than helicopters – so quiet that we'll be able to fill the skies with hundreds of them without subjecting city dwellers to brutal levels of added noise pollution.Now, Joby Aviation has put some numbers on its acoustic performance. Working with NASA as part of its Advanced Air Mobility National Campaign, Joby flew its S4 prototype over NASA's Mobile Acoustics Facility, a field array of more than 50 microphones, at varying…

According to a new study, scientists have uncovered a single master gene that programs ear hair cells into either outer or inner ones, overcoming a major hurdle that had prevented the development of these cells to restore hearing.‘We have overcome a major hurdle’ to restore hearing, investigators say.Gene discovery allows the production of inner or outer ear hair cellsDeath of outer hair cells due to aging or noise cause most hearing lossMaster gene switch turns on ear hair cell developmentHearing loss caused by aging,…

Participants on their way to the Test Flight in an ATR72. Credit: International Journal of Aviation, Aeronautics, and Aerospace (2022). DOI: 10.15394/ijaaa.2022.1679 A lack of leg room is a well-known grumble among passengers on flights—but noise in the cabin is the number one gripe when it comes to propeller aircraft, a new study suggests.…

Sony's ‘Extra Bass' audio products are carefully tuned for more aggression and attack, appealing to listeners who want heavier bass in their sound. Interestingly, the Extra Bass range includes both headphones and earphones, such as the excellent WH-XB900N which I reviewed in 2019. The company's latest launch is the successor to this pair of headphones, and promises more of the same qualities and capabilities, that too at a more attractive price.Priced at Rs. 14,990 in India, the Sony WH-XB910N wireless headphones feature…

In India, the Yamaha brand name is most likely to make you think of a motorcycle or scooter. However, you'll also find that Yamaha is a reputed name in many other product segments including musical instruments, AV receivers, amplifiers, speaker systems, and headphones, with many of these being technically advanced, premium products for high-budget buyers. The company recently announced a new range of wireless headphones and earphones in India, including the flagship YH-L700A over-ear headphones which I'm reviewing…

Wearable fitness trackers are a useful way to track fitness and activity levels. Customers have a wide variety of manufacturers to choose from, including the likes of Xiaomi, Fitbit, Amazfit, Honor, and Noise. Unlike most of these brands, Noise offers a handful of apps that work with specific wearables. Once you have the right application, pairing your fitness tracker is very easy. The official apps will also allow you to check your fitness data in an easily accessible format, update the device firmware and perform other…

Asus ROG Fusion II 300 and ROG Fusion II 500 were launched in India on Tuesday. The new gaming headphones come with virtual 7.1 surround sound and include high-resolution ESS 9280 Quad DAC technology. The Asus headsets also carry artificial intelligence (AI) powered beamforming microphones. To please gamers, both ROG Fusion II 300 and Fusion II 500 come with RGB lighting paired with a variety of customisation options. The ROG Fusion II 500 come with a dedicated Game Chat volume control and a 3.5mm headphone jack. Both…