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  2. Refresh rate - Wikipedia

    en.wikipedia.org/wiki/Refresh_rate

    In the case of filmed material, as 120 is an even multiple of 24, it is possible to present a 24 fps sequence without judder on a well-designed 120 Hz display (i.e., so-called 5-5 pulldown). If the 120 Hz rate is produced by frame-doubling a 60 fps 3:2 pulldown signal, the uneven motion could still be visible (i.e., so-called 6-4 pulldown).

  3. List of smartphones with a high refresh rate display - Wikipedia

    en.wikipedia.org/wiki/List_of_smartphones_with_a...

    The following is a list of smartphones with a high refresh rate display.The refresh rate is the number of times in a second that a display hardware updates its buffer. It is not to be confused with the touch response rate, which is the frequency that the touchscreen senses input, or the frame rate, which describes how many images are stored or generated every second by the device driving the ...

  4. Flicker-free - Wikipedia

    en.wikipedia.org/wiki/Flicker-free

    Flicker-free is a term given to video displays, primarily cathode ray tubes, operating at a high refresh rate to reduce or eliminate the perception of screen flicker.For televisions, this involves operating at a 100 Hz or 120 Hz hertz field rate to eliminate flicker, compared to standard televisions that operate at 50 Hz (PAL, SÉCAM systems) or 60 Hz (), most simply done by displaying each ...

  5. Hertz - Wikipedia

    en.wikipedia.org/wiki/Hertz

    The hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI), often described as being equivalent to one event (or cycle) per second. [1] [a] The hertz is an SI derived unit whose formal expression in terms of SI base units is s −1, meaning that one hertz is one per second or the reciprocal of one second. [2]

  6. Ultra-high-definition television - Wikipedia

    en.wikipedia.org/wiki/Ultra-high-definition...

    120 Hz progressive: Bit depth: 12 bits per channel : Audio system: 22.2 surround sound: Sampling rate: 48/96 kHz: Audio bit depth: 16/20/24 bits: Number of audio ...

  7. Samsung Galaxy Note 20 - Wikipedia

    en.wikipedia.org/wiki/Samsung_Galaxy_Note_20

    The Galaxy Note 20 does not feature a curved display like the one found on the Note 20 Ultra. The Note 20 and Note 20 Ultra feature a 6.7-inch 1080p and 6.9-inch 1440p display, respectively. Both use an AMOLED with HDR10+ support and "dynamic tone mapping" technology, marketed as Super AMOLED Plus for the Note 20 and Dynamic AMOLED 2X for the ...

  8. Surround sound - Wikipedia

    en.wikipedia.org/wiki/Surround_sound

    The Surround channels are placed 100–120 degrees from the center channel, with the subwoofer's positioning not being critical due to the low directional factor of frequencies below 120 Hz. [26] The ITU standard also allows for additional surround speakers, that need to be distributed evenly between 60 and 150 degrees. [24] [26]

  9. Utility frequency - Wikipedia

    en.wikipedia.org/wiki/Utility_frequency

    The waveform of 230 V and 50 Hz compared with 120 V and 60 Hz. The utility frequency, (power) line frequency (American English) or mains frequency (British English) is the nominal frequency of the oscillations of alternating current (AC) in a wide area synchronous grid transmitted from a power station to the end-user.