2018 2nd International Conference on Digital Signal Processing (ICDSP 2018) will be held in Tokyo, Japan, from Sunday, February 25, to Tuesday, February 27, 2018. It is mainly organised by International Academy of Computing Technology (IACT). The symposium will provide the world's leading scientists and researchers related to Digital Signal Processing with the best chances for scientific and technological exchange. Tokyo is the most fascinating "high-tech" city in the world, where you may enjoy many wonderful technologies, interesting goods, delicious foods, and so on along with nice hospitality. We cordially invite you to participate in the ICDSP 2018, which will be performed in this modern city and we look forward to seeing you in Tokyo.