Google Duo

Google Duo
A screenshot of Duo
Developer(s) Google LLC
Initial release August 16, 2016 (2016-08-16)
Stable release(s) [±]
Android 39.1.213443905.DR39_DR19 / September 18, 2018 (2018-09-18)[1]
iOS 38.4 / August 22, 2018 (2018-08-22)[2]
Operating system
Available in English
Type Video chat mobile app
Website duo.google.com

Google Duo is a video chat mobile app developed by Google, available on the Android and iOS operating systems. It was announced at Google's developer conference on May 18, 2016, and began its worldwide release on August 16, 2016.

Google Duo lets users make video calls in high definition. It is optimized for low-bandwidth networks. End-to-end encryption is enabled by default. Duo is based on phone numbers, allowing users to call someone from their contact list. The app automatically switches between Wi-Fi and cellular networks. A "Knock Knock" feature lets users see a live preview of the caller before answering. An update in April 2017 lets users worldwide make audio-only calls.

History

Google Duo was announced at Google's developer conference on May 18, 2016,[3] and began its international rollout on Android and iOS devices starting August 16, 2016.[4][5][6]

In an email sent to Android phone manufacturers on October 5, 2016, Google announced that, starting December 1, 2016, Google Duo replaced Hangouts within the suite of Google apps Android phone makers must pre-install on devices, with Hangouts instead becoming an optional app for phone makers to pre-install.[7]

In October 2017, Google Duo was integrated into Google Phone, Contacts, and Android Messages on the Pixel, Nexus, and Android One phones. This integration will be brought to other Android phones and carriers in the near future.[8][9]

Features

Google Duo video calls are in 720p HD video.[10] It is optimized for low-bandwidth mobile networks through WebRTC and uses QUIC over UDP. Optimization is further achieved through the degradation of video quality through monitoring network quality.[3] "Knock Knock" shows a live preview of the caller before the recipient picks up, which Google says is to "make calls feel more like an invitation rather than an interruption".[4] End-to-end encryption is enabled by default.[10] Duo is based on phone numbers, allowing users to call people from their contact list.[10] The app automatically switches between Wi-Fi and cellular networks.[10]

In March 2017, it was announced that Google Duo would let users make audio-only calls. The feature was first launched in Brazil,[11][12][13] with a global rollout in April.[14][15]

A year later in March 2018, video and voice messages were added to Duo. Users can leave messages up to 30 seconds long for contacts who are unavailable. These messages can then be viewed by the other party, with the option of calling afterwards.[16]

See also

References

  1. ↑ "Google Duo". APKMirror. Android Police. March 11, 2018. Retrieved March 11, 2018.
  2. ↑ "Google Duo - Video Calling". App Store. Apple Inc. March 11, 2018. Retrieved March 11, 2018.
  3. 1 2 Bohn, Dieter (May 18, 2016). "Google Duo makes mobile video calls fast and simple". The Verge. Vox Media. Retrieved October 21, 2016.
  4. 1 2 Uberti, Justin (August 16, 2016). "Meet Google Duo, a simple 1-to-1 video calling app for everyone". The Keyword Google Blog. Google. Retrieved January 9, 2017.
  5. ↑ Amadeo, Ron (August 16, 2016). "Google launches Duo, a barebones video calling app". Ars Technica. Condé Nast. Retrieved October 21, 2016.
  6. ↑ Gibbs, Samuel (August 16, 2016). "Duo video calling app: Google launches cross-platform answer to FaceTime". The Guardian. Guardian Media Group. Retrieved February 4, 2017.
  7. ↑ Ruddock, David (October 7, 2016). "Google is demoting Hangouts to "optional" in the Google Apps package for Android, to be replaced by Duo". 9to5google. Retrieved October 20, 2016.
  8. ↑ Schoon, Ben (October 11, 2017). "Google Duo integration officially rolling out to Pixel, Nexus, will come to other Android phones 'over time'". Android Police. Retrieved October 13, 2017.
  9. ↑ Hager, Ryne (October 11, 2017). "Duo and ViLTE video call integration with Google Phone, Contacts, and Android Messages is rolling out to Google-supported phones". Android Police. Retrieved October 13, 2017.
  10. 1 2 3 4 Fulay, Amit; Adan, Yariv (May 18, 2016). "Saying 👋 to Allo and Duo: new apps for smart messaging and video calling". The Keyword Google Blog. Google. Retrieved January 9, 2017.
  11. ↑ Queiroz, Mario (March 22, 2017). "Google for Brazil: Building a more inclusive internet for everyone, everywhere". The Keyword Google Blog. Google. Retrieved March 22, 2017.
  12. ↑ Erlick, Nikki (March 22, 2017). "Google announces app updates to Allo, Duo, and Photos". The Verge. Vox Media. Retrieved March 22, 2017.
  13. ↑ Palmer, Jordan (March 22, 2017). "Google Duo is finally getting an audio-only call option, rolling out first in Brazil [APK Download]". Android Police. Retrieved March 23, 2017.
  14. ↑ Vincent, James (April 10, 2017). "Google Duo's voice calls are now available worldwide". The Verge. Vox Media. Retrieved April 10, 2017.
  15. ↑ Palladino, Vallentina (April 10, 2017). "Google Duo's audio call feature is now available for all users worldwide". Ars Technica. Condé Nast. Retrieved April 10, 2017.
  16. ↑ Lindsay, Dave (March 7, 2018). "Miss a call—but not the moment—with video messages on Google Duo". The Keyword Google Blog. Retrieved March 15, 2018.
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