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  2. Casio SK-1 - Wikipedia

    en.wikipedia.org/wiki/Casio_SK-1

    The Casio SK-1 is a small sampling keyboard made by Casio in 1985. [1] [2] It has 32 small sized piano keys, four-note polyphony, with a sampling bit depth of 8 bit PCM and a sample rate of 9.38 kHz for 1.4 seconds, a built-in microphone and line level and microphone inputs for sampling, and an internal speaker and line out.

  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

    A jump from the lowest semitone to the highest semitone in one octave doubles the frequency (for example, the fifth A is 440 Hz and the sixth A is 880 Hz). The frequency of a pitch is derived by multiplying (ascending) or dividing (descending) the frequency of the previous pitch by the twelfth root of two (approximately 1.059463).

  5. Keyboard matrix circuit - Wikipedia

    en.wikipedia.org/wiki/Keyboard_matrix_circuit

    A keyboard matrix circuit is a design used in most electronic musical keyboards and computer keyboards in which the key switches are connected by a grid of wires, similar to a diode matrix. For example, 16 wires arranged in 8 rows and 8 columns can connect 64 keys—sufficient for a full five octaves of range (61 notes).

  6. Keyboard - Wikipedia

    en.wikipedia.org/wiki/Keyboard

    Musical keyboard, a set of adjacent keys or levers used to play a musical instrument Manual (music), a keyboard played with hands, as opposed to; Pedalboard or pedal keyboard, played with feet; Enharmonic keyboard, one of several layouts that incorporate more than 12 tones per octave; Keyboard instrument, a musical instrument played using a ...

  7. YouTube Music - Wikipedia

    en.wikipedia.org/wiki/YouTube_Music

    YouTube Music is a music streaming service developed by the American video platform YouTube, a subsidiary of Alphabet's Google. The service is designed with a user interface that allows users to explore songs and music videos on YouTube -based genres, playlists, and recommendations.

  8. Pollsters are turning to AI this election season

    www.aol.com/pollsters-turning-ai-election-season...

    This type of poll was a first for Heartland Forward, and its executive vice president Angie Cooper said they paired the AI-conducted poll with in-person gatherings where they conducted more ...

  9. List of most-viewed YouTube videos - Wikipedia

    en.wikipedia.org/wiki/List_of_most-viewed...

    Since Lady Gaga's "Bad Romance" in 2009, every video that has reached the top of the "most-viewed YouTube videos" list has been a music video. In November 2005, a Nike advertisement featuring Brazilian football player Ronaldinho became the first video to reach 1,000,000 views. [1] The billion-view mark was first passed by Gangnam Style in ...