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Challenges and Performance of High-Fidelity Audio Streaming for Interactive Performances

Low-latency streaming of high-quality audio has the potential to dramatically transform the world of interactive musical applications. We provide methods for accurately measuring the end-to-end latency and audio quality of a delivered audio stream and apply these methods to an empirical evaluation of several streaming engines. In anticipation of future demands for emerging applications involving audio interaction, we also review key features of streaming engines and discuss potential challenges that remain to be overcome.