Antonio Cuccarese
A Low Latency Packet Loss Concealment Method for MIDI Signals.
Rel. Cristina Emma Margherita Rottondi. Politecnico di Torino, Corso di laurea magistrale in Ingegneria Informatica (Computer Engineering), 2020
Abstract
A Networked Music Performance (NMP) is a real-time interaction over a computer network which allows musicians in different places to perform as if they were in the same room. A crucial requirement of NMP is to have low latency, in order to make all musicians perceive that they are playing simultaneously while maintaining a stable tempo. In order to ensure a good NMP experience it is also necessary to ensure low packet loss rates due network congestion or excessive transmission delays. In the case of raw or codec-based audio streaming, the loss of packets causes the generation of sounds artifacts during the playback.
Conversely, in the case of MIDI signals, since MIDI events encode the musician's actions and not the system status, packet losses could make the reproduced audio signal prolongedly different from the original one
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