Christian Feldmann

Senior Engineer and Team Lead

Dr. Christian Feldmann is working on next generation video coding technologies such as AV1 and VVC. He is applying his doctoral degree (PhD) in video compression technologies to build and improve large scalable video solutions. Christian participates in the standardization activities of the Alliance for Open Media (AOMedia) as well as the Moving Picture Experts Group (MPEG).

vvc - Bitmovin

VVC: Open-GOP Resolution Switching

At IBC 2023 the Fraunhofer HHI, Spin Digital and Bitmovin are presenting a paper on the practical application of a new feature that was introduced in VVC: Open-GOP resolution switching. In this blog post I want to explain what open-GOP (Group of Pictures) prediction is, what the benefits are and why with VVC open-GOP prediction…

vvc - Bitmovin

VVC Video Codec – The Next Generation Codec

State of VVC Video Codec So it’s happening. After their previous work on h.264/AVC and h.265/HEVC, the ITU-T Video Coding Experts Group (VCEG) and ISO Moving Picture Experts Group (MPEG) have again joined forces to create another video codec named Versatile Video Coding (VVC). The first goal for the VVC Video Codec was to significantly…

vvc - Bitmovin

HEVC vs VP9: The Battle of the Video Codecs

For an APAC live event, our video coding engineer Christian Feldmann compared the HEVC (H.265) vs VP9. During the session, we discussed the fundamental differences between the two “modern codecs” and tied it off with an early analysis of each codec’s performance. These results were obtained using the open-source encoders libvpx-vp9, x264, and x265. This…

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