数字内容版权保护
digital rights management
数字内容保护
digital content protection
数字内容处理平台
digital content processing platform
数字传输内容保护
DSSdigital transmission content protection
DRAMdigital transmission content protection
数字媒体内容
digital multimedia content
高频带数字内容保护
high-bandwidth digital content protection
语音数据数字单元
VDD Voice and Data Digital units
有意义数字水印
meaningful digital watermarking
有效数字损失
loss of significant figures