Networked Music Performances (NMP) are of increasing importance for musical enthusiasts, amateurs and professionals exploring new solutions and opportunities to rehearse or perform together at geographically distant locations. The use of public cellular connectivity to access wide area networks for such purposes can provide unique flexibility in planning NMP setups. Generally, latency and reliability are two key parameters for the end-to-end transmission of audio information through networks in this context. The stringent requirements of NMPs with respect to those parameters pose a major challenge for the current fourth generation (4G) of cellular technology. It is expected that the new and upcoming fifth generation (5G) of cellular technology will deliver significant Key Performance Indicator (KPI) improvements, and thus could be a promising enabler for musical interaction over distant locations. Currently, first public deployments of cellular 5G are being rolled out. This work presents an in-depth latency and reliability analysis of a distributed performance conducted over public 5G infrastructure in Finland. Measurement results suggest that Quality-of-Service (QoS) is needed in order to enable NMP over cellular 5G for many users and devices in a consistent, plannable and also flexible way.
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https://aes2.org/publications/elibrary-page/?id=21950
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