hal(hardware abstraction layer，硬件抽像化层)
hardware motion compensation(硬件运动补偿)
hdtv(high definition television，高清晰度电视)
hel: hardware emulation layer(硬件模拟层)
high triangle count(复杂三角形计数)
icd(installable client driver，可安装客户端驱动程序)
idct(inverse discrete cosine transform，非连续反余弦变换，geforce的dvd硬件强化技术)
immediate mode，直接模式
ippr: image processing and pattern recognition(图像处理和模式识别)
