Machine learning for video transcoding

This is a well known triad in the world of video compression and transcoding. The problem is usually solved by finding a sweet spot of transcoding parameters that seem to work well on average for a large number of clips. That sweet spot is sometimes found by trying every possible set of parameters until one is found that satisfies all the constraints. Recently, others have been using this “exhaustive search” idea to tune parameters on a per clip basis. What we’d like to show you in this blog post is a new technology we have developed that adapts our parameter set for each clip automatically using Machine Learning. We’ve been using this over the last year for improving the quality of movies you see on YouTube and Google Play. The…


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