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  2. List of Bluetooth profiles - Wikipedia

    en.wikipedia.org/wiki/List_of_Bluetooth_profiles

    1.3 — all of 1.0 plus metadata and media-player state support [7] The status of the music source (playing, stopped, etc.) Metadata information on the track itself (artist, track name, etc.). 1.4 — all of 1.3 plus media browsing capabilities for multiple media players [8] Browsing and manipulation of multiple players

  3. Samsung Galaxy Buds series - Wikipedia

    en.wikipedia.org/wiki/Samsung_Galaxy_Buds_series

    The Buds 2 Pro include active noise cancellation, 24-bit Hi-Fi audio support (only for Samsung device with One UI 4.0 or above) and enhanced 360-degree audio. They were released on August 26, 2022, with a launch price of $229.99, a $30 price increase compared to the original Galaxy Buds Pro.

  4. 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.

  5. AirPods - Wikipedia

    en.wikipedia.org/wiki/AirPods

    They feature redesigned earbud contours and speakers, the H2 chip, Bluetooth 5.3, IP54 dust resistance, and a smaller charging case that supports USB-C charging. A higher-end version features active noise cancellation and a charging case with a speaker for Find My tracking and compatibility with Qi and Apple Watch chargers.

  6. AirPods Pro - Wikipedia

    en.wikipedia.org/wiki/AirPods_Pro

    Apple announced AirPods Pro on October 28, 2019, and released them two days later on October 30, 2019. [7] They include features of standard AirPods, such as a microphone.. They also have noise cancellation to reduce exterior sounds background noise, accelerometers and optical sensors that can detect presses on the stem and in-ear placement, and automatic pausing when they are taken out of the ea

  7. Headphones - Wikipedia

    en.wikipedia.org/wiki/Headphones

    While a loudspeaker must use a relatively large (often 15" or 18") speaker driver to reproduce low frequencies, headphones can accurately reproduce bass and sub-bass frequencies with speaker drivers only 40-50 millimeters wide (or much smaller, as is the case with in-ear monitor headphones). Headphones' impressive low-frequency performance is ...

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