The 1st Asia Pacific Conference on Multimedia and Broadcasting (APMediaCast2015) is Annual International Conference, will be held on 23-25 April 2015, at Grand Inna Kuta Bali Indonesia. APMediaCast 2015 has organized three scientific tracks, i.e., Multimedia, Signal Processing and Broadcasting. We have several reasons of choosing the tracks areas as follows: 1.) The research in the area of Multimedia, Digital Signal Processing and Broadcasting has grown much faster over the last 5 years. 2.) The research in the areas proven have a significant contribution to many creative media industries in many countries, including Indonesia. This conference is Technical co-Sponsored by the IEEE Communications Society Indonesia Chapter, listed on IEEE Conference and Event with IEEE Conference Number : # 35572. APMediaCast2015 is supported by 135 International Technical Program Committee and Reviewer from 32 Countries. The acceptance ratio of submission is bellow 55% to maintain the quality of the papers presented at the conference. Accepted papers will be published in the APMediaCast 2015 Conference Proceedings and presented papers will be submitted to IEEE Xplore. 25% from the papers (after revision) will be published in a special issue of the International Journal of Advanced Media and Communication (IJAMC), Inderscience. The journal has been indexed in Scopus, Comindex (Ei), Academic Onefile and ACM Digital Library By Keynote Speakers and invited speaker, APMediaCast2015 will provide an international forum where industry, researchers and academia will be able to interact and exchange experiences, ideas, and research results surrounding all aspects on quality of experience for current and future Multimedia and Broadcasting technology. The Conference offers unique opportunity for all the participants to communicate with leading experts in the field to discuss the Multimedia and Broadcasting Technology. We wish you all can enjoy the beauty of Bali while do a meeting with your partners to discuss and see the latest development of the Digital Media Technology in this conference.