Physical modeling for sound synthesis is a technique in which musical acoustic equations are simulated by computer to synthesize sound. In prior decades, either offline simulation or powerful desktop or laptop computers were required in order to synthesize high-quality sound. However, increasingly small and relatively low power embedded computers are presently becoming available that can natively perform real-time simulations using floating-point computations. For example, the Raspberry Pi 2 is an embedded computer, which incorporates a quad-core 1GHz embedded microprocessor, and currently costs only US$35. This implies that physical modeling sound synthesis may become accessible to a wide range of people for many diverse applications. Furthermore, larger and larger numbers of virtual masses will be computable in real time. A poster with embedded Raspberry Pi 2 and amplified speaker is presented that uses Synth-A-Modeler to simulate a wide variety of physical models in real time.

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How to best preserve the environment and conserve natural resources is a topic of concern for both current and future generations. The study of environmental and green technologies has increased dramatically as more individuals and organizations begin to recognize the importance of sustainability and emphasize the need to "go green." The Green Technologies collection is a specialized reference collection which supports research in the field of green technology. This premier package includes 19 scholarly titles focusing on environmental technologies, environmental engineering, sustainable development, and geoinformatics. These titles represent IGI Global's unique coverage of the impact and effective use of technology within the area of green technology.

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