Objects of Signal Processing Process one signal to obtain another signal; Signal interpretation:Characterization of the input signal. Example:speech recognition phonemic speech digital preprocessing pattern transcription signal (filtering,parameter recognition estimation,etc) final signal expert interpretation system 10 2022/10/18 Zhongguo Liu_Biomedical Engineering_Shandong Univ.10 2022/10/18 Zhongguo Liu_Biomedical Engineering_Shandong Univ. Objects of Signal Processing ◆Process one signal to obtain another signal; ◆Signal interpretation: Characterization of the input signal. digital preprocessing (filtering,parameter estimation,etc) speech signal pattern recognition expert system phonemic transcription final signal interpretation Example: speech recognition