Streaming Video Quality Measurement

We offer what you need to measure video QoS and QoE.

  • Identify errors in your transcoding and delivery chain
  • Conduct video quality measurements for both encoding and streaming stages
  • Improve video quality from an end-to-end perspective
  • Increase customer experience and Quality of Experience (QoE)
  • Use internationally standardized technology
  • Benefit from our experience from academic-industrial cooperations

You need to measure streaming video quality – we provide the toolkit and the know-how.

See through to what matters.

The Surfmeter app now enables us, for the first time, to record qualitative measurements that are comparable with the customer’s actual perception.

Volker Libovsky – CTIO, Magenta Telekom

Improve your overall service through better video quality testing

Web browsing, network tests, and video streaming – we have you covered.

Increasing the video quality of your streaming service can have noticeable impact on overall user engagement. Customers don’t just want fast startup times; they are very sensitive to video quality issues like blurring, blockiness, color distortions – or generally too low bitrates. Large-scale studies have shown that improving video quality also improves the time users spend with a service.

We provide you with the right tools to measure and improve video quality – and make your customers happier. You can perform these measurements while ingesting video, during transcoding, or at the client side.

With the proper video quality testing solution, you will be able to catch delivery problems early on, optimize the entire transmission chain, and prevent user churn.

Details matter in video quality testing.

Benefits

There are many reasons our customers rely on our monitoring solutions.

  • You stream it – we measure it

    Measure almost any service – perfect for ISPs, MSOs, OTTs, and content providers

  • Quality of Experience (QoE)

    See exactly what your users would experience

  • Powerful QoS monitoring

    Monitor network and streaming data

  • Command-line support

    No GUI needed – deploy in headless mode.

  • Runs in any environment

    Deploy to the cloud, existing servers or dedicated hardware

  • Fully customizable 24/7 monitoring

    Define your own measurement schedule and parameters

  • Fully integrated with Analytics

    Get immediate access to all measurement results

  • Automatic Updates

    Distribute new versions and configuration changes automatically

Measure as your customers experience it.

This is the answer to how you should measure video quality.

Video quality is more than bitrate and resolution. Knowing that a video is “HD” or 4K is not enough. It is important to measure video quality from the point of view of the customer.

The Point of View that matters – your customers’ POV

Video Quality Models

Why they matter and what they do.

Video quality models are the algorithms that are used to determine the visual experience that a video delivers.

There are many such models on the market, but not every model fits every use case. From our year-long experience in video quality standardization – and working on real-life cases with the industry–, we know which model is suitable for which purpose. Depending on the application area, we recommend to use different models for:

  • Checking the quality of a video that you received (ingest), e.g. for blockiness or blurriness issues
  • Optimizing transcoding pipelines for the best bitrate–quality tradeoff, by creating an optimal encoding bitrate ladder, and choosing the right encoding settings
  • Measuring the end-to-end performance of a video stream, including initial loading and stalling/buffering
  • Predicting the end-user perceived Quality of Experience (QoE) after a complete session

Our video quality testing solutions are as flexible as your use-case. We will pick the right models for your application.

Video Quality Model

Partners and Clients

 
Technische Uni Ilmenau
Telekom Logo
Crowdee

Bitstream-based models leverage metadata.

Monitor Video Quality at Scale

The best video quality model is not usable in practice if it takes too long to compute. As a provider, you want fast processing and low resource usage, while getting the most accurate measurements.

Pixel-based models like PSNR, SSIM (and its variants), or VMAF work by inspecting and comparing each pixel of every frame of the source video and transmitted video. This takes enourmous processing resources and is not scalable, particularly when the content is not known before (e.g. live TV).

By focusing on so-called parametric, bitstream-based models we can leverage metadata in the video stream to estimate the video quality. This means that the video doesn’t have to be decoded, which in turn saves precious processing time and storage space, and therefore significantly reduces overall costs. The quality measurements can be scaled virtually without limits, to hundreds of thousands of streams. With low-complexity models, you can for example distribute the quality calculation in the cloud and effortlessly scale your computing resources according to the demand.

Contact Us

Let us know your questions.

We will find the solution that works best for you.

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Use the best standards

… for video and streaming quality measurement.

All video quality models give you an estimation of the quality – for example between 0 and 100, or on a scale from 1 to 5. However, interpreting this scale and comparing the numbers is not always possible. Standards bodies like the ITU (International Telecommunication Union) have formally defined the Mean Opinion Score (MOS) scale – and algorithms that can be used to measure video quality in a valid way.

Standardization plays an important role in creating video quality measurement algorithms that have been extensively validated by a large consortia, using thousands of human viewer’s ratings. They are among the most accurate and reliable tools that operators can use.

We implement our quality measurement solutions based on our year-long experience with standardization of video quality models.

We cooperate with our academic partner, TU Ilmenau, to extend and validate the video quality models so that they are fit for next-generation codec technology.

Models can use different information to predict video quality.

Tech behind a product matters.

Technical specifications

  • Video quality and QoE measurement on an easy to understand Mean Opinion Score (MOS) scale
  • Usage of the best-in-class QoE models
  • Support for common device types (TV, PC, laptop, mobile)
  • All major video codecs supported (H.264, H.265/HEVC, VP9, AV1)
  • Coverage of popular resolutions and frame rates (24–60fps, up to 1080p and 4K)
  • Modular approach for encoding optimization and end-to-end quality monitoring

Solutions based on market proven modules

The products that power the Surfmeter monitoring solution.

Surfmeter Lab

Our core technology to drive video and web tests. Any service that runs in a browser — we can measure it.

Read more.

Surfmeter Automator

Automated measurements – at scale. A powerful automation framework for running Surfmeter measurements on a schedule.

Read more.

Surfmeter Dashboard

More than just data – our streaming analytics dashboard combines all Surfmeter measurement results.

Read more.

See our in-depth tech blog for more

We cover streaming & video analytics from gaming to video on demand.