Why does video chat (skype, etc.) appear to be so low in quality compared to video streaming (netflix, etc.)

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I dont understand why when your watching the even a live stream, like on Twitch, the video quality is very good, but when your trying to video chat with someone else the quality is so much worse. What about the two way video chat makes it so hard to get consistent hd and audio?

In: Technology

5 Answers

Anonymous 0 Comments

I think the big difference is a lack of a buffer.

Most video streams (Netflix, Twitch, etc.) actually display a second or so after the data is received. This allows your internet connection to have lots of hiccups (as long as they’re smaller than that second or so) and you’ll never notice. The buffer smooths out the video delivery.

When you’re on a live video chat, you can’t have this buffer, because if you added a 1 second delay onto both sides of the conversation, it would be very difficult to have a conversation. So instead we deal without the buffer (or if there is a buffer, it’s much smaller).

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