| HA Head Amplifier |
前置放大器 |
| HB Head Bus |
前端总线 |
| HC Hierarchical Coding |
分层编码 |
| HCT Home Communication Terminal |
家庭通信终端 |
| HD High Definition |
高清晰度 |
| HDM High Density Modulation |
高密度调制 |
| HDTV High Definition Television |
高清晰度电视 |
| HDVS High Definition Video System |
高清晰度视频系统 |
| Headend |
前端 |
| HF High Frequency |
高频 |
| HFC Hybrid Fiber Coaxial |
光纤同轴电缆混合网 |
| HFCT Hybrid Fiber Concentric Twisted Pair Wire |
混合光纤同轴双绞线 |
| Hi-Fi High-Fidelity |
高保真(度) |
| High Speed Camera System |
高速摄像机系统 |
| HIS Home Information System |
家庭信息系统 |
| Home Terminal Unit |
家庭终端单元 |
| Horizontal Drive |
水平驱动（脉冲） |
| HPA High Power Amplifier |
大功率放大器 |
| HPF HQAD High-Pass Filter |
高通滤波器 |
| HS High Quality Audio Disc |
高品位音频光盘 |
| HSC Horizon Scanner |
水平扫描 |
| HSDB High Speed Channel |
高速信道 |
| HTT HTTP High Tension |
高压 |
| HTU Home Television Theatre |
家庭电视影院 |
| hue |
色调 |
| Hyper Text Transmission Protocol |
超文本传输协议 |
