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  2. Printer tracking dots - Wikipedia

    en.wikipedia.org/wiki/Printer_tracking_dots

    Printer tracking dots, also known as printer steganography, DocuColor tracking dots, yellow dots, secret dots, or a machine identification code (MIC), is a digital watermark which many color laser printers and photocopiers produce on every printed page that identifies the specific device that was used to print the document.

  3. List of Hewlett-Packard products - Wikipedia

    en.wikipedia.org/wiki/List_of_Hewlett-Packard...

    Following HP's acquisition of Compaq in 2002, this series of notebooks was discontinued, replaced with the HP Pavilion, HP Compaq, and Compaq Presario notebooks. The OmniBook name would later be repurposed for a line of consumer-oriented notebooks in 2024, replacing the old Pavilion and Spectre series of notebooks.

  4. Microphone connector - Wikipedia

    en.wikipedia.org/wiki/Microphone_connector

    Although originally designed for telephone usage and later adopted for computer networking, the modular connector has been used for microphone connections extensively on modern amateur radio equipment, including models from the three major manufacturers (Icom, Kenwood, and Yaesu), but primarily used on mobile radio equipment (designed to be ...

  5. Sharp PC-4500 - Wikipedia

    en.wikipedia.org/wiki/Sharp_PC-4500

    The Sharp PC-4500 is a line of laptop computers released by Sharp Corporation in 1987. The line comprises the PC-4501, the PC-4502, and the PC-4521. The PC-4501 is a bare-bones unit with only 256 KB of RAM stock, only one floppy drive, no backlighting, and no built-in numeric keypad; the PC-4502 and PC-4521 bumps the stock RAM to 640 KB and includes the latter two features while providing ...

  6. Microphone practice - Wikipedia

    en.wikipedia.org/wiki/Microphone_practice

    Situational circumstances: Sometimes a microphone should not be visible, or having a microphone nearby is not appropriate. In scenes for a movie the microphone may be held above, out of the picture frame. Processing: If the signal is destined to be heavily processed, or mixed down, a different type of input may be required.

  7. Boom operator (media) - Wikipedia

    en.wikipedia.org/wiki/Boom_operator_(media)

    The principal responsibility of the boom operator is microphone placement, usually using a boom pole (or "fishpole") with a microphone attached to the end (called a boom mic), their aim being to hold the microphone as close to the actors or action as possible without allowing the microphone or boom pole to enter the camera's frame. [1]

  8. Stenomask - Wikipedia

    en.wikipedia.org/wiki/Stenomask

    Court reporter tests his stenomask. [1]A stenomask is a hand-held microphone built into a padded, soundproof enclosure that fits over the speaker's mouth or nose and mouth. . Some lightweight versions may be fitted with an elastic neck strap to hold them in place while freeing the user's hands for other tas

  9. Covert listening device - Wikipedia

    en.wikipedia.org/wiki/Covert_listening_device

    The act of "wearing a wire" refers to a person knowingly recording the conversation or transmitting the contents of a conversation to a police listening post. Usually, some sort of device is attached to the body in an inconspicuous way, such as taping a microphone wire to their chest.