Introduction to the special issue on: Advances in soundscape: Emerging trends and challenges in research and practice.

This editorial introduces the special issue "Advances in Soundscape: Emerging Trends and Challenges in Research and Practice" published jointly by The Journal of the Acoustical Society of America (JASA) and JASA Express Letters. Marking over a decade since the last dedicated issue on soundscape research in JASA, this collection highlights the rapid evolution and diversification in the field. It features 28 peer-reviewed articles from international research teams, showcasing advances in methodology, technological applications, theoretical developments, and real-world implementations across various acoustic environments. We categorize the contributions thematically, identify emerging trends and ongoing challenges, and offer perspectives for future research and practice.