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  2. Headphones - Wikipedia

    en.wikipedia.org/wiki/Headphones

    Headphones are a pair of small loudspeaker drivers worn on or around the head over a user's ears. They are electroacoustic transducers, which convert an electrical signal to a corresponding sound. Headphones let a single user listen to an audio source privately, in contrast to a loudspeaker, which emits sound into the open air for anyone nearby ...

  3. Audio headset - Wikipedia

    en.wikipedia.org/wiki/Audio_headset

    General 3.5 mm computer headsets come with two 3.5 mm connectors: one connecting to the microphone jack and one connecting to the headphone/speaker jack of the computer. 3.5 mm computer headsets connect to the computer via a sound card, which converts the digital signal of the computer to an analog signal for the headset. USB computer headsets ...

  4. Windows Sound System - Wikipedia

    en.wikipedia.org/wiki/Windows_Sound_System

    Windows Sound System (WSS) is a sound card specification developed by Microsoft, released at the end of 1992 for Windows 3.1.It was sold as a bundle which included an ISA sound card, a microphone, a pair of headphones and a software package.

  5. 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.

  6. Add, edit or delete contacts in AOL Mail - AOL Help

    help.aol.com/articles/add-edit-or-delete...

    From AOL Mail, open an email. Click the More options icon.; Click Add Sender to Contacts.; Enter the contact's info. Click Save.

  7. Phone etiquette 101: When it’s rude to be on speaker — and ...

    www.aol.com/news/phone-etiquette-101-rude...

    Turn your phone off for important conversations and moments. You want to be present for these moments. If you’re using your phone as a camera, at least put it in airplane or Do Not Disturb mode.

  8. Boyfriend Allegedly Promised Girlfriend's Mom, 'I'll Get Her ...

    www.aol.com/boyfriend-allegedly-promised...

    Markeem Benson is accused of murdering Renise Wolfe in Nevada

  9. Headphone amplifier - Wikipedia

    en.wikipedia.org/wiki/Headphone_amplifier

    Effectively, a headphone amplifier is a small power amplifier that can be connected to a standard headphone jack or the line output of an audio source. Electrically, a headphone amplifier can be thought of as an amplifier that presents a very high input impedance (ideally infinite) and presents a lower output impedance (ideally zero) and larger ...