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  2. Mobile phone signal - Wikipedia

    en.wikipedia.org/wiki/Mobile_phone_signal

    A mobile phone signal (also known as reception and service) is the signal strength (measured in dBm) received by a mobile phone from a cellular network (on the downlink). Depending on various factors, such as proximity to a tower , any obstructions such as buildings or trees, etc. this signal strength will vary.

  3. Phones not working: AT&T and other services go offline in ...

    www.aol.com/phones-not-working-t-other-143813073...

    The primary issues appeared to relate to phone calls, leaving people unable to make calls or send texts, though some reported issues with their internet service too. Affected phones showed the ...

  4. Audio-to-video synchronization - Wikipedia

    en.wikipedia.org/wiki/Audio-to-video_synchronization

    Audio and video signal processing circuitry exists with significant (and potentially non-constant) delays in television systems. Particular video signal processing circuitry that is widely used and contributes significant video delays include frame synchronizers, digital video effects processors, video noise reduction, format converters and ...

  5. Ringtone - Wikipedia

    en.wikipedia.org/wiki/Ringtone

    Later, synthesized instruments could be included along with the composition data, which allowed for more varied sounds beyond the built-in sound bank of each phone. Truetone: A truetone , also known as realtone , Jayliar tone , superphonic ringtone, is an audio recording , typically in a common format such as MP3 or AAC .

  6. AOL Mail Help - AOL Help

    help.aol.com/products/new-aol-mail

    You've Got Mail!® Millions of people around the world use AOL Mail, and there are times you'll have questions about using it or want to learn more about its features. That's why AOL Mail Help is here with articles, FAQs, tutorials, our AOL virtual chat assistant and live agent support options to get your questions answered.

  7. Noise (video) - Wikipedia

    en.wikipedia.org/wiki/Noise_(video)

    Noise, static or snow screen captured from a blank VHS tape. Noise, commonly known as static, white noise, static noise, or snow, in analog video, CRTs and television, is a random dot pixel pattern of static displayed when no transmission signal is obtained by the antenna receiver of television sets and other display devices.

  8. AOL Mail for Verizon Customers - AOL Help

    help.aol.com/products/aol-mail-verizon

    AOL Mail welcomes Verizon customers to our safe and delightful email experience!

  9. The AOL.com video experience serves up the best video content from AOL and around the web, curating informative and entertaining snackable videos.