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  2. PC speaker - Wikipedia

    en.wikipedia.org/wiki/PC_speaker

    A PC speaker is a loudspeaker built into some IBM PC compatible computers. The first IBM Personal Computer, model 5150, employed a standard 2.25 inch magnetic driven (dynamic) speaker. [1] More recent computers use a tiny moving-iron or piezo speaker instead. [2] The speaker allows software and firmware to provide auditory feedback to a user ...

  3. Intel High Definition Audio - Wikipedia

    en.wikipedia.org/wiki/Intel_High_Definition_Audio

    The jack redirects the audio to the speakers if no headphone connection is detected. Similarly, the return pins ground the microphone jack connection if no microphone detected. As a result, most motherboards with AC'97 audio require two jumpers to short these pins if no front panel audio module is connected, so audio passes to the speakers.

  4. Universal Audio Architecture - Wikipedia

    en.wikipedia.org/wiki/Universal_Audio_Architecture

    Universal Audio Architecture (UAA) is an initiative unveiled in 2002 by Microsoft to standardize the hardware and class driver architecture for audio devices in modern Microsoft Windows operating systems. Three classes of audio devices are supported by default: USB, IEEE 1394 (FireWire), and Intel High Definition Audio, which supports PCI and ...

  5. Computer speakers - Wikipedia

    en.wikipedia.org/wiki/Computer_speakers

    A pair of external speakers for notebook computers that are powered and audio-connected to the computer via USB. Computer speakers, or multimedia speakers, are speakers sold for use with computers, although usually capable of other audio uses, e.g. for an MP3 player. Most such speakers have an internal amplifier and consequently require a power ...

  6. HP TouchSmart - Wikipedia

    en.wikipedia.org/wiki/HP_TouchSmart

    It had a wide array of ports, including Ethernet, two FireWire, six USB 2.0 ports, one with HP printer power Y-cable connector, 5.1 + digital audio out, IR out, mini-VGA, FM coax, TV coax, ATSC, and two S-Video; however, the IQ770 did not haveHDMI ports. PC World gave the machine a "very good" rating of 81/100, but noted that the use of mobile ...

  7. 7.1 surround sound - Wikipedia

    en.wikipedia.org/wiki/7.1_surround_sound

    7.1 surround sound is the common name for an eight-channel surround audio system commonly used in home theatre configurations. It adds two additional speakers to the more conventional six-channel (5.1) audio configuration. As with 5.1 surround sound, 7.1 surround sound positional audio uses the standard front left and right, center, and LFE ...

  8. Sound card - Wikipedia

    en.wikipedia.org/wiki/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. Sound functionality can also be integrated into the ...

  9. Audacity (audio editor) - Wikipedia

    en.wikipedia.org/wiki/Audacity_(audio_editor)

    www.audacityteam.org. Audacity is a free and open-source digital audio editor and recording application software, available for Windows, macOS, Linux, and other Unix-like operating systems. [ 4 ][ 5 ] As of December 6, 2022, Audacity is the most popular download at FossHub, [ 8 ] with over 114.2 million downloads since March 2015.

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