1080p vs. 720p — Is a bigger resolution always better for HD live streaming?

January 17, 2019

This post explains why a 1080p video stream does not always look better than a 720p stream. It's the main post in our series on HD live streaming.

The common belief is that more pixels means a higher-quality picture for viewers. But this isn’t necessarily true, thanks to the video compression process.

When encoding for live streaming, hardware and software encoders compress raw video using techniques like chroma subsampling, spatial image compression, and temporal motion compensation to reduce the bandwidth of the original video to about 1/1000th of its original size.

 

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What is Frame Rate (fps) and Why Does it Matter in Live Streaming?

January 08, 2019

This post addresses frame rate (fps) and the role that it plays in creating a great quality live stream. It's part of our series on HD live streaming.

While many factors affect the quality of your live video, resolution and frame rate are the most prominent. In this post, we'll talk about the latter.

Note: You can read more on video resolution here.

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SD vs. HD vs. 4K: Live Streaming Video Resolutions Explained

December 26, 2018

This post is an overview of live streaming video resolution. We talk about standard-definition (480p + 480i), high-definition (720p, 1080i, + 1080p) and 4K video resolutions. It's the main post in our series on HD Live Streaming.

The video world is advancing quickly. It's tough for us all to keep pace with increasing standards and qualities.

Video resolution is only one aspect that affects the quality of a live stream. Alongside frame rate, it's the feature most top of mind in determining video quality.

If you're responsible for your organization's live streaming strategy and need to wrap your head around the advancement of video resolution, you're in the right spot.

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Why Are There Two Black Bars on the Sides of My Video? (Aspect Ratio)

November 23, 2018

This post talks about aspect ratio of your video and explains why there are black bars on the sides of some videos. It's part of our series on HD live streaming.

Every so often, customers approach us asking why their live streams have black bars on either side of their videos.This common problem has to do with what’s called aspect ratio, or the proportional relationship between the width and height of an image. 

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What is Cloud Transcoding?

April 18, 2018

This post talks about using the process of cloud transcoding to ensure smooth viewer playback for your HD live streams. It's part of our series on HD live streaming.

Cloud Transcoding: The act of duplicating video into all of the various resolutions needed for smooth playback in the cloud.

Example: BoxCast uses cloud transcoding to break live video into five resolutions: 1080p, 720p, 480p, 360p, 240p to ensure smooth viewer playback.

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