In networked music performances, real-time Packet Loss Concealment is a task of pivotal importance to compensate the detrimental impact of loss or late delivery of audio portions that often occur in low-latency audio-streaming scenarios. This paper proposes an open-loop Packet Loss Concealment method tailored for MIDI data and compares it to a closed-loop state-of-the-art benchmark in terms of effectiveness of audio recovery and communication overhead. Moreover, implementations aimed at reducing the computational overhead are proposed and compared for both approaches. Results show that the proposed open-loop policy achieves performances similar to those of the closed-loop one, while reducing the number of operations executed at the transmitter side.

Authors: Severi, Leonardo; Cuccarese, Antonio; Bianco, Andrea; Rottondi, Cristina
Affiliations: Department of Electronics and Telecommunications, Politecnico di Torino, Turin, Italy; Department of Electronics and Telecommunications, Politecnico di Torino, Turin, Italy; Department of Electronics and Telecommunications, Politecnico di Torino, Turin, Italy; Department of Electronics and Telecommunications, Politecnico di Torino, Turin, Italy(See document for exact affiliation information.)
JAES Volume 71 Issue 12 pp. 873-886; December 2023
Publication Date: December 12, 2023

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