Samsung has introduced a new approach to managing motion sickness through its Galaxy Buds 4 Pro and the Hearapy app. The solution uses a controlled audio signal instead of medication or physical remedies, targeting the inner ear to reduce symptoms such as dizziness, nausea, and sweating.
Motion sickness affects nearly one-third of people and occurs when the body receives conflicting signals. The balance system in the inner ear detects movement, while the eyes may focus on a stationary object like a phone or book. This mismatch triggers stress responses. Existing solutions have largely relied on medication or acupressure.
Samsung’s method is based on research conducted at Nagoya University in Japan. The study identified that a 100 Hz sine wave can stimulate the vestibular system, which is responsible for balance. In testing, participants who listened to this tone at 80 to 85 dB for 60 seconds reported reduced symptoms during car travel. The effect was observed to last up to two hours.
The Hearapy app delivers this tone through a Galaxy smartphone, with a built-in timer set to 60 seconds and volume calibrated to around 85 dB. For the effect to work, the sound must be played without interference from music or external noise, and both ears must be exposed before travel.
The Galaxy Buds 4 Pro are designed to reproduce this frequency accurately. The earbuds feature a larger mid-bass driver area, increased by nearly 20 percent compared to the previous model, along with an updated two-way speaker system. They support 24-bit/96 kHz audio via Samsung Seamless Codec Ultra High Quality, enabling precise sound output.
The earbuds also include Adaptive Active Noise Cancellation supported by six microphones, which detect ambient noise and generate opposing signals to reduce it. Adaptive EQ further adjusts sound in real time based on fit and surroundings. These features help maintain a stable 100 Hz tone, which is required for the system to work as intended.
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