Which of the following descriptions describe the Huawei Desktop Protocol HDP correctly:bbs.

Carrying all upper-layer applications through a virtual channel, and point out that the user’s basic body is guaranteed through application priority setting

Test

Support video encoding acceleration, make video playback clearer and smoother, and support up to 4K video playback

According to individual users, user groups, device types, etc., separate channel strategy control can be performed to fully ensure that each user's

Communication security

HDP can provide clearer and real-time sound, ready to restore sound details, PESQ exceeds 3.4