Page 117 - Mobile-En-V3

3GP movies can be uploaded from the mobile phone directly through the
phone's website, m.youtube.com.

2- Audio: Files uploaded to YouTube contain audio in MP3 format and by default
the sound system is single (mono) with a rate of 64 kbits per second with the
reduction of the audio signal (sampling) to 22050 Hz.

3- The quality of the displayed videos: The dimensions of the movies by default are
320 × 240 pixels and use the coding technology (codec) H.263 and the broadcast
rate of the video signal is about 314 kbps and the modification was made and
the site launched a new feature that allows uploading better quality files and is
displayed with dimensions of 480 × 360 pixels. Other quality, namely 720p and
1080p, were added, high-definition video technology was added, 3D technology
was added, i.e. watching clips in 3D technology, and 4K4 technology was added
on January 6, 2014. And in 2020 it reached .8K

4- Live streaming technology: YouTube was one of the first to conduct live
streaming experiments, including a Liu Tu concert in 2009 and a Q&A session
with U.S. President Barack Obama in February 2010.

5- 3D videos: In a video posted on July 21, 2009, YouTube software engineer Peter
Bradshaw announced that YouTubers can now upload three-dimensional videos
and watch videos in many different ways including the common engraving
method (cyan/red lens) that uses glasses worn by the viewer to achieve the
three-dimensional effect.

6- 360-degree videos: Google announced that 360-degree video will be natively
supported on YouTube on March 13, 2015. YouTube enabled 360-degree videos
that can be viewed from Google Cardboard, a virtual reality system. It can also
be viewed from all other virtual reality (glasses - headphones).

7- Among the very important features of the YouTube application for the user:
➢ Social communication.
➢ Different platforms in all educational specializations.
➢ Earning income.
➢ Localization, as some contents were limited to some specific regions, such as
the Middle East and others.

103 Training unit in the field of technological information - at the Supreme Council of Universities © Intellectual property rights 2024