5th International Forum on Signal Processing (IFSP 2025) will be held in Xi'an, China, from May 16-18, 2025. Organized by Xi'an University of Posts & Telecommunications, the forum focuses on advancements in signal processing, including image and video processing, speech and audio processing, and biomedical applications. IFSP 2025 provides a platform for researchers, industry professionals, and academics to share innovative research, foster collaborations, and discuss the latest trends in signal processing.