Lesson of the Week: Why BD-Rate is a Poor Predictor of Real-World Bandwidth Savings

BD-Rate computations are a valuable metric when comparing theoretical codec performance. But just because they prove that HEVC is 40% more efficient than H.264 doesn’t mean that you’ll save 40% of your bandwidth if you switch to HEVC.

This 6-minute video lesson explains why and suggests a better alternative for estimating real-world benefits. I include a link to the presentation below.

For more on the courses mentioned in the video, click here for Streaming Media 101.

Click here for Computing and Using Video Quality Metrics.

Click here to download the presentation.

About Jan Ozer

I help companies train new technical hires in streaming media-related positions; I also help companies optimize their codec selections and encoding stacks, and evaluate new encoders and codecs.

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