Videotelephony

High school (ages 12+)
Science & Technology

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/videotelephony

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the conceptualization period?Late 19th century
2. What is the first public demonstration location?New York City, AT&T corporate headquarters
3. When did people first try to make videotelephony?The idea of sending moving pictures and sound together started in the late 1800s, and the first real demonstration happened in 1930 when AT&T showed it in New York.
4. How did videotelephony become common for everyone?In the late 1990s, new video compression, faster computers, and faster internet made video calls cheaper and clearer, so almost everyone could use them.

Videotelephony: The transmission and reception of audio and video signals for simultaneous two-way communication.
Videoconferencing: A form of videotelephony involving three or more participants, typically for group meetings.
Telepresence: An advanced form of videoconferencing designed to create the illusion of shared physical presence among remote participants.
Video Codec: A device or program that compresses (encodes) and decompresses (decodes) digital video data for transmission or storage.