Power Consumption Characterization of a 5G-Enabled Embedded Portable Device for Audio-based Networked Musical Interactions

Advanced Networked Music Performances (NMP) require embedded systems capable of real-time audio processing and wireless communication with strict performance constraints. In this paper, we present the design and power consumption evaluation of a prototypal portable device integrating a hifi soundcard and a 5G communication module. The proposed platform enables real-time audio acquisition, processing, and transmission in NMP scenarios. We experimentally characterize power consumption under multiple operating conditions, including idle states, 5G connectivity, and bidirectional audio streaming. Results show that the system exhibits a stable and predictable power profile, with average power consumption ranging from approximately 2.2 W in idle conditions up to 4.7 W during stereo audio streaming over 5G.