DSP&AI Research team led by Professor Hong-Goo Kang presented a paper titled "FaceFilter: Audio-visual speech separation using still images" at INTERSPEECH 2020, the world's most prestigious international conference on speech signal processing, and achieved splendid achievement in winning the Best Student Paper Award. INTERSPEECH is the largest academic conference with a single theme of speech signal processing and awards the paper award by selecting the outstanding research paper every year. This research was led by Soo-Whan Chung (1st author) and Professor Hong-Goo Kang, supported by one of the top speech research teams in Korea, Naver Clova Speech.