High-Level Data Link Control.

High Definition Multimedia Interface.

High Dynamic Range.

Highly Elliptical Orbit.

High Efficiency Streaming Protocol - an adaptive HTTP based streaming protocol which offers a lower cost tot he media company, and a relatively low lend to end atency of around 400ms.

High Efficiency Video Coding.

Hybrid Log Gamma.

HTTP Live Streaming (protocol) - developed by Apple Inc.

Hierarchical Storage Management.

Hyper Text Markup Language.

Head Related Transfer Function.

Hyper Text Transfer Protocol.

Hyper Text Transfer Protocol Secure.

Integrity Check Value.

Integrated Digital TV.

Firewire serial digital interface.

International Frequency Registration Board.

Interoperable Master Format.

Input/Output

Internet Protocol.