EyeQ™ content-aware encoding

Pristine Video. Lower Bandwidth. Higher Profits.

Harmonic’s EyeQ™ content-aware encoding solution offers a fresh approach, enabling IPTV & OTT service operators to deliver consistent, superior video quality with up to a 50 percent reduction in bandwidth.

Leveraging the Human Visual System

EyeQ compression is unique in its ability to leverage the mechanics of the human eye to assess Video Quality and optimize encoding parameters in real time.

Highlighted Features

Delivering Superior Viewing Experience on All Devices

With EyeQ, viewers can watch pristine video on any device — even over constrained ABR networks. When video quality goes up, subscribers are happier and spend more time watching, improving content provider and operators’ content monetization opportunities and reducing the churn rate.

Easy to Deploy

The EyeQ encoded stream is 100 percent H.264 compliant, so there are no changes to today’s ecosystem, whether it’s based on appliances, virtual machines, cloud infrastructure or SaaS. Deploying EyeQ is a breeze through a simple software license for the Harmonic PURE Compression Engine™.

Increasing Quality Of Experience on Mobile

Rebuffering ratio and startup delay are key metrics to measure end user satisfaction as consumers now expect broadcast QoE for OTT services. Both are significantly improved by EyeQ’s lower bitrates, especially over wireless connections such as WiFi or 4G.

Live & On-Demand Support

EyeQ supports both live and file-based applications. VOD services can certainly benefit from EyeQ reduced bitrate, just like live services. However, the scale of live services during popular events can stress the network and increase the cost of distribution, making EyeQ extremely valuable for these services.

Significant Cost Savings

By reducing video traffic by up to 50%, EyeQ delivers significant OPEX or CAPEX savings at different points in the system. Storage capacity for VOD and CDVR, traffic delivered to end users or to ISPs is also reduced by 50% which, in some cases, significantly improves the business model for delivering OTT services. Network provisioning can also benefit from EyeQ reduced bitrate when a large number of OTT channels must be distributed to different receiving sites over Multicast or MPLS core network.


For a streaming offering to be truly successful today, especially for live sports, it has to be delivered with exceptional video quality on every screen. We chose Harmonic’s solution because of the pristine video quality it provides, as well as its flexibility.

Roy Liemer, co-founder and CEO, Vista Worldlink

Artificial intelligence in EyeQ guides the PURE Compression Engine to focus bits where they matter most for the viewer.



EyeQ video optimization solution

Introduction to EyeQ

EyeQ™ leverages the function of the human visual system to provide a superior viewing experience while reducing bandwidth consumption by up to 50%.


EyeQ OTT video quality solutions


Harmonic EyeQ is a new way to determine the target video rates for the different video profiles in an ABR deployment.

Technical Guide