Digital Signal Processing
數位信號處理

Wikipedia:
Digital signal processing (DSP) is the study of signals in a digital representation and the processing methods of these signals. DSP and analog signal processing are subsets of signal processing. It has three major subfields: audio signal processing, digital image processing and speech processing.

不負責翻譯:
數位信號處理是研究以數位方式呈現的信號，以及此一信號的處理方式。數位及類比信號處理都是信號處理的子類。它包含了三大領域: 音訊處理、數位影像處理、語音處理。