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Home / News / Technology News / Stanford researchers develop algorithm to upgrade video streaming
Technology

Stanford researchers develop algorithm to upgrade video streaming

Stanford researchers develop algorithm to upgrade video streaming
Written by Shubham Sharma
Apr 27, 2020, 06:32 pm 3 min read
Stanford researchers develop algorithm to upgrade video streaming

As millions remain under lockdown and glued to their screens, researchers at Stanford University are working to make content streaming more seamless than ever. They have developed an algorithm that uses machine learning to reduce all the glitches and stalls people run into while streaming something on platforms like Netflix and Amazon Prime Video. Here's all about it.

Tool
Fugu, the machine learning tool

Dubbed as Fugu, the novel machine-learning algorithm strives to improve the video streaming experience by pushing only as much content as the viewer's internet connection can receive without degrading the quality. Now, this would be a major upgrade over current streaming systems, which struggle to adjust according to bandwidth, resulting in either unwanted hiccups or freakishly pixelated content that no one likes to watch.

Algorithm
Buffer-based algorithm used with most streaming systems

According to Stanford researchers, most streaming systems active these days rely on a Buffer-Based Algorithm (BBA), which checks how much video a device has in its buffer to decide whether it should be given high or low-quality content. For instance, if it learns that a device has less than 5 seconds of video, it will serve pixelated, low-quality content to avoid interruptions.

Information
High quality video served when 15+ seconds in buffer

If the algorithm discovers that 15+ seconds of video is in the buffer, it serves high-quality video. Meanwhile, for anything between 5 and 15 seconds, it adjusts streaming quality accordingly.

Trials
Trial comparing Fugu with BBA, other algorithms

To test the effectiveness of the new Fugu algorithm, the Stanford team configured it to work on Puffer - a live TV service with over 100,000 users, along with four other streaming algorithms, including BBA. They monitored how each of the algorithms performed at handling the data streams and ensuring that users get optimum video quality with minimal disruptions.

Results
Fugu outperformed all the algorithms

By the time the trial ended, Fugu had defeated all other algorithms by delivering the highest image resolution with minimal interruptions. The video quality processed by the algorithm was also more consistent compared to its counterparts. Moreover, the performance of the algorithm was so good that the viewers of Fugu-fed video streams continued to watch an average of 5-9% longer than other tested algorithms.

Information
No word on integration yet

While it is evident that Fugu makes a better prospect for streaming services, there is no word on its integration yet. Also, before any of that, the researchers would have to carry out tests to verify the feasibility of the algorithm for a bigger viewer-base.

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Shubham Sharma
Shubham Sharma
Twitter
Editor with over five years of experience in covering all things science, consumer tech, space tech, AI, infosec, and business. A commerce graduate from University of Lucknow. I have been handling Tech beat at NewsBytes since 2018.
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