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2. The best noise-canceling earbuds for 2024 - Engadget

   www.engadget.com/best-noise-canceling-earbuds...

   Whether it’s blocking the noises of your daily train ride, trying to be productive at a coffee shop or just needing to tune out the world for a while, noise-canceling earbuds can provide solace.

3. Pixel Buds Pro review: Google’s best earbuds yet - Engadget

   www.engadget.com/google-pixel-buds-review...

   Google's latest earbuds offer active noise cancellation, reliable touch controls and a compact case with USB-C port. Read Engadget's full review to find out the pros and cons of the Pixel Buds Pro.

4. The best wireless headphones for 2024: Bluetooth options for ...

   www.engadget.com/best-headphones-wireless...

   Our six top picks for the best wireless headphones offer all of the conveniences we’d expect in a set of high-quality, true wireless headphones, with a range of prices to help you stay within ...

5. Absolute threshold of hearing - Wikipedia

   en.wikipedia.org/wiki/Absolute_threshold_of_hearing

   The absolute threshold of hearing is the minimum sound level of a pure tone that an average human ear can hear. It is frequency-dependent and reaches as low as -9 dB SPL at 2-5 kHz.

6. Equal-loudness contour - Wikipedia

   en.wikipedia.org/wiki/Equal-loudness_contour

   The first research on the topic of how the ear hears different frequencies at different levels was conducted by Fletcher and Munson in 1933. Until recently, it was common to see the term Fletcher–Munson used to refer to equal-loudness contours generally, even though a re-determination was carried out by Robinson and Dadson in 1956, which became the basis for an ISO 226 standard.

7. Pure-tone audiometry - Wikipedia

   en.wikipedia.org/wiki/Pure-tone_audiometry

   Pure-tone audiometry is the main hearing test used to identify hearing threshold levels of an individual. It uses frequency specific pure tones to measure audibility thresholds, and can determine the degree, type and configuration of a hearing loss.