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  2. Microphone - Wikipedia

    en.wikipedia.org/wiki/Microphone

    A pressure-gradient microphone uses a diaphragm that is at least partially open on both sides. The pressure difference between the two sides produces its directional characteristics. Other elements such as the external shape of the microphone and external devices such as interference tubes can also alter a microphone's directional response.

  3. Zoom H2 Handy Recorder - Wikipedia

    en.wikipedia.org/wiki/Zoom_H2_Handy_Recorder

    The H2 has built-in microphones, but allows external ones to be used if different characteristics are required. Unlike the H4, the H2 makes no provision for multi-track recording , but its 360-degree polar sound recording can record in 4 channel audio, which can later be converted to 5.1 channel audio using computer software .

  4. Audio and video interfaces and connectors - Wikipedia

    en.wikipedia.org/wiki/Audio_and_video_interfaces...

    External connector (source-side) on PCB DisplayPort is a digital display interface standard (approved May 2006, current version 1.4 published on March 1, 2016). It defines a new license-free, royalty-free, digital audio/video interconnect, intended to be used primarily between a computer and its display monitor, or a computer and a home-theater ...

  5. Computer hardware - Wikipedia

    en.wikipedia.org/wiki/Computer_hardware

    Computer hardware. Computer hardware includes the physical parts of a computer, such as the central processing unit (CPU), random access memory (RAM), motherboard, computer data storage, graphics card, sound card, and computer case. It includes external devices such as a monitor, mouse, keyboard, and speakers. [1][2]

  6. Surface Laptop 4 - Wikipedia

    en.wikipedia.org/wiki/Surface_Laptop_4

    Mouse. v. t. e. The Surface Laptop 4 is a laptop computer made by Microsoft. [ 1 ] It is the fourth generation of Surface Laptop which launched on 13 April 2021. It succeeds the Surface Laptop 3, which was released in 2019. Surface Laptop 4 keeps the same form design and ports as its predecessor. The machine ships with an Intel 11th gen or AMD ...

  7. Sound card - Wikipedia

    en.wikipedia.org/wiki/Sound_card

    Value card, a typical (circa 2000) PCI sound card. A sound card (also known as an audio card) is an internal expansion card that provides input and output of audio signals to and from a computer under the control of computer programs. The term sound card is also applied to external audio interfaces used for professional audio applications.