Vidyo vs. Legacy H.264 comparison video

This is a side by side comparison of how Vidyo's implementation of Scalable Video Coding (SVC) performs under identical network conditions to legacy H.264/AVC video conferencing systems.

• Category

  Science & Technology

[BigTechnoFighter]

...This would lead to a choppy frame rate, but it wouldnt exhibit any of nasty compression artifacts which result from skipping over inter frames. Admittedly, SVC would still look better than a good legacy AVC under packet loss, but this demonstration is a bit unbalanced.

[eeemark]

Thanks for your comments. I know that the stark difference in performance makes it appear as though the legacy conferencing system is some how disadvantaged, but I can assure you that the system used is a currently shipping model of a leading manufacturer and was run in identical conditions to the Vidyo system. The SVC extension to H.264/AVC when combined with the right architecture yields substantial improvements in error resiliency compared to H.264/AVC base profile, even with FEC.

[ThatLost1]

Very interesting!

I would like to know how to artificially enforce packet loss so I could perform my own tests.

[BigTechnoFighter]

This comparison seems somewhat biased in that the legacy AVC implementation obviously has bug which causes it to render invalid inter frames leading to display corruption. By invalid inter frames, Im referring to inter frames which follow one or more missing inter frames. In a good implementation of classic AVC, the decoder would not render these inter frames and would instead just freeze the video stream until they arrival of the next key frame.

[video1080p]

Great. I would like to point out the "real" savings in eliminating the network and the IT support costs with this solution.