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To maintain high quality and detect violations in the stream, it is important to track various parameters. All monitored parameters are divided into two types: relating to Quality of Service (QoS) and Quality of Experience (QoE). In this article, we will consider QoE parameters that are most important for OTT/IPTV content delivery.

The following two parameters are essential for estimating the quality of experience, because lack of audio or video affect viewer experience dramatically.

Video decodability — the parameter estimates video stream decodability. The error state occurs if the number of correctly decoded frames is under the set threshold.

Audio decodability — the parameter estimates audio stream decodability. The error state occurs if bitrate of the decoded stream is under the set threshold. …

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Leading provider of components and software products for analysis, monitoring, encoding, decoding and streaming digital video and audio data.

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