This book presents a sample of recent research results in multimedia services. Besides the introductory chapter, this book includes fourteen additional chapters. Nine of these chapters cover various aspects of data processing in multimedia services in intelligent environments, such as storage, recognition and classification, transmission, information retrieval, and information securing. Four additional chapters present multimedia services in noise and hearing monitoring and measuring, augmented reality, automated lecture rooms and rights management and licensing. Finally, the last chapter is devoted to an intelligent recommender service in scientific digital libraries.