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  2. Razer Naga - Wikipedia

    en.wikipedia.org/wiki/Razer_Naga

    All of the mice have a polling rate of 1000 Hz. The polling rate of a mouse is how many often it notifies the computer of its location each second, with each Hz equaling one register. [22] In November 2017, Razer introduced the Naga Trinity. This mouse has interchangeable side panels, meaning the user could choose how many buttons they wanted.

  3. USB human interface device class - Wikipedia

    en.wikipedia.org/wiki/USB_human_interface_device...

    Both PS/2 and USB allow the sample rate to be overridden, with PS/2 supporting a sampling rate of up to 200 Hz [5] and USB supporting a polling rate up to 1 kHz [3] as long as the USB mouse runs at full-speed or higher USB speeds.

  4. Piano key frequencies - Wikipedia

    en.wikipedia.org/wiki/Piano_key_frequencies

    This is a list of the fundamental frequencies in hertz (cycles per second) of the keys of a modern 88-key standard or 108-key extended piano in twelve-tone equal temperament, with the 49th key, the fifth A (called A 4), tuned to 440 Hz (referred to as A440). [1] [2] Every octave is made of twelve steps called semitones.

  5. Ensoniq EPS-16 Plus - Wikipedia

    en.wikipedia.org/wiki/Ensoniq_EPS-16_Plus

    The Ensoniq EPS-16 Plus is a sampling keyboard produced by Ensoniq starting in 1990. It was the successor to the EPS , one of the first truly affordable samplers on the market. The EPS-16 Plus uses 16-bit samples [ 2 ] at seven sample rates ranging from 11.2 kHz to 44.6 kHz and features 13 onboard effects.

  6. Reference tone - Wikipedia

    en.wikipedia.org/wiki/Reference_tone

    The most common reference tone in audio engineering is a 1000 Hz tone ⓘ at −20dB.It is meant to be used by audio engineers in order to adjust the playback equipment so that the accompanying media is at a comfortable volume for the audience.

  7. Wireless keyboard - Wikipedia

    en.wikipedia.org/wiki/Wireless_keyboard

    A wireless keyboard is a computer keyboard that allows the user to communicate with computers, tablets, or laptops with the help of radio frequency (RF), such as WiFi and Bluetooth or with infrared (IR) technology.

  8. Microsoft ergonomic keyboards - Wikipedia

    en.wikipedia.org/wiki/Microsoft_ergonomic_keyboards

    In general, ergonomic keyboards are designed to keep the user's arms and wrists in a near-neutral position, which means the slant angle (the lateral rotation angle for the keys in each half relative to the axis of the home row in a conventional keyboard) is approximately 10 to 12.5°, the slope (the angle of the keytop surfaces starting from the front edge closer to the user towards the top of ...

  9. List of interface bit rates - Wikipedia

    en.wikipedia.org/wiki/List_of_interface_bit_rates

    This is a list of interface bit rates, is a measure of information transfer rates, or digital bandwidth capacity, ... 1000/1000 Mbit/s: 125/125 ...