Tag Archives: abr

No MOS in Avalanche Adaptive Bitrate – why?


Spirent has always been on the cutting-edge of video and audio testing. When the hot technology was Microsoft’s MMS, we added that. When RTSP rose, we implemented it with a myriad of player emulation (Microsoft, Apple, Real, BitBand …). When … Continue reading

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Adaptive Bitrate in Avalanche – Configuration & Stats


Starting with version 4.10, Spirent Avalanche officially supports Apple HLS (AHLS) as a server for Adaptive Bitrate (we supported the technology in a client-only fashion before then). That means you can emulate Apple HLS servers with Avalanche, generating random content. You … Continue reading

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Avalanche 3.80 Features


(Cross-posted from Spirent Networks Blog) On Friday November 4th, the latest General Availability build of Avalanche (and Spirent Test Center) has been released. I won’t cover STC, but for Avalanche, it’s a pretty big release. Major features  Action List Generator: … Continue reading

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Adaptive Bitrate in Avalanche


Since the release of 3.70, Avalanche supports Adaptive Bitrate (ABR), also known as Adaptive Streaming (AS). We currently support the Microsoft, Apple and Adobe technology variants, for the On Demand (VoD) mode only (Live mode is coming in a future … Continue reading

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