Exact Extract — Huawei Training Material, PDF page 56

H.323+SIP dual protocol stack implements 1080p audio and video and 4K data sharing. Supports H.264 + H.265 dual protocols and 4K hardware encoding and decoding. Voice tracking and intelligent tracking. Auto-Framing automatically identifies the best angle for multiple participants. Acoustic baffle automatically shields the external noise and adapts to various meeting rooms.

Technical Deep Dive

Huawei IdeaHub S2 supports hardware-based video encoding and decoding, including 4K capabilities and H.264/H.265 media codecs. The V2.0 product description identifies 4K hardware encoding and decoding, but that must be distinguished from the conferencing profile actually negotiated during a meeting. Native H.323/SIP video may run at 1080p while shared presentation content supports a different resolution or frame-rate profile.

The device's screen resolution, camera resolution, codec hardware capacity, video call main-stream resolution, and content-stream resolution are not the same specification. Confusing them can lead to wrong answer keys or unrealistic customer proposals. For example, the V2.0 on-premises meeting profile refers to 1080p30 main and content streams with a licensed upgrade option. That does not negate the 4K hardware codec capability. The original explanation choosing 2K merely because a meeting stream may operate at 1080p is technically flawed. The hardware codec question is answered by 4K, option A.

During customer solution design, engineers must distinguish native collaboration functions from optional OPS modules, external peripherals and software or conferencing licenses. Display size, room acoustics, source-device capabilities, network conditions and firmware release can all affect practical performance. A model-family feature should not automatically be attributed to every other IdeaHub generation.