AI - ready for primetime?

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Written by Tim Claman, CTO and VP of Product Management at Avid

SCREEN AFRICA EXCLUSIVE: In technology circles worldwide, artificial intelligence (AI) is a dominant topic of reflection, research and increasingly, implementation. AI is delivering real value in several areas of the media production and distribution chain, but applications are limited presently. Other areas are showing tremendous potential and are now being explored. While it's only a matter of time before the technology and our collective expertise overcomes current limitations, it's interesting to note where we are now and where we're heading.

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ENHANCING CONTENT DISCOVERY

The most obvious application of AI today is around automated metadata extraction or content indexing . The process of taking content, applying an algorithm to derive time-based metadata that is then registered in an asset management system is greatly enhancing content discoverability. For example, an algorithm that converts speech to text aligns each word in the text to markers within the content, making it possible to locate where a certain word or phrase is spoken.

It's also possible to index content to find voice signatures that identify where a certain speaker is speaking. Now you have two layers of time-based metadata that allow fine-grained searching. You can keep adding layers or strata that enable even more detailed searching. For example, you may want to search for any time a particular public figure said certain words within a specific time frame. AI algorithms are so advanced they can do more than identify faces - they can infer the mood of each person at any given time. As you apply more AI algorithms to a content library, you add more strata of time-based metadata, enabling increasingly sophisticated searching, while automating a time-intensive task that's difficult and prohibitively expensive to achieve with humans.

Perhaps even more valuable is the ability to discover valuable content long after it has been archived. Often, we don't know in advance what content will be significant. AI can help uncover valuable assets that are hiding in plain sight within a content library. With enough metadata strata you can triangulate in to find content you may not even know you have.

Often confused with speech-to-text but operating differently, phonetic search has extraordinary promise. A time-based indexing algorithm can convert text into phonemes that take you right to specific locations within a piece of content. The end result is that you can conduct keyword searches on libraries never before transcribed. The ability to find clips/content phonetically works extremely well and is in products now on the market.

AUTOMATING QUALITY CONTROL

Another significant AI use case is automated quality control (QC). AI-driven QC solutions can churn through a library of clips at one keystroke and analyse a broad range of quality parameters. It can show, for example, whether a programme master that is targeted for French audiences actually has French language audio tracks, eliminating the need for someone to watch an entire show track by track to know that it's the right version all the way through - a tremendous time and resource savings.

AI can also be used to ensure the accuracy of closed captions. Without AI, manual caption checks are required. Sometimes captions are wrong in the programme master or aren't in sync with the audio. AI quality control can confirm not only that captions are there but also that they're correct. Some QC solutions can even make needed timing corrections.

An application at the nation's leading over-the-top media services provider shows precisely how this type of QC is implemented. One of their brand differentiators is quality. So, the company runs all content through a gauntlet of automated QC services, such as audio levels and visual clarity, identifying whether a host of criteria are met to ensure the highest quality standards.

A NEW MEDIA SUPPLY CHAIN

In addition to enabling better search and quality control capabilities, AI is also being used for operational business intelligence. In the pre-digital days, the media supply chain was extremely disconnected, with all steps of the process separated by physical media such as tapes. Today's workflows are much more integrated and hold tremendous potential for operational efficiency.

But an understanding of the process is critical. To optimise your efficiency, you must track what people are doing and how they're doing it in ways that inform the operational view of the media supply chain. With this kind of business intelligence, you can see where your pipeline is bogging down. Where are the choke points? Is it a lack of ingest capacity? Or if 30 per cent of time in edit suites is taken up by rendering, it may be time to offload editing to a render farm.

Through an integrated AI-enhanced media production platform, it's possible to measure all operations. How many people are using the system? How many are working on a specific project? Where are the technical bottlenecks and so on? For the most part, this kind of data has been impossible to collect and analyse. Until now, media workflows have largely been a black box. But as media organisations seek to do more with less, more transparency into day-to-day operations is critical to garner operational metrics. AI can provide deep business intelligence to optimise production workflows.

AUDIENCE ANALYTICS

It's clearly an advantage to have intelligence and analytics about your audience and their viewing habits to inform business decisions. Beyond the production stages in the supply chain, AI has perhaps even more potential for optimising content distribution. AI can provide insights about consumption patterns that

LINK:	http://www.screenafrica.com/2018/08/30/technology/ai-artificial-intell...
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