Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/112812
Título: On the performance of a GPU-based SoC in a distributed spatial audio system
Autores/as: Belloch, JA
Badia, JM
Larios, DF
Personal, E
Ferrer Ballester, Miguel Ángel 
Fuster, L
Lupoiu, M
Gonzalez, A
León González, Carmelo Javier 
Vidal, AM
Quintana-Orti, ES
Clasificación UNESCO: 3325 Tecnología de las telecomunicaciones
332505 Radiocomunicaciones
3322 Tecnología energética
Palabras clave: Wave field synthesis
Spatial audio
Real time
Embedded systems
GPU, et al.
Fecha de publicación: 2021
Proyectos: TIN2017-82972-R
Publicación seriada: Journal of Supercomputing 
Resumen: Many current system-on-chip (SoC) devices are composed of low-power multicore processors combined with a small graphics accelerator (or GPU) offering a trade-off between computational capacity and low-power consumption. In this context, spatial audio methods such as wave field synthesis (WFS) can benefit from a distributed system composed of several SoCs that collaborate to tackle the high computational cost of rendering virtual sound sources. This paper aims at evaluating important aspects dealing with a distributed WFS implementation that runs over a network of Jetson Nano boards composed of embedded GPU-based SoCs: computational performance, energy efficiency, and synchronization issues. Our results show that the maximum efficiency is obtained when the WFS system operates the GPU frequency at 691.2 MHz, achieving 11 sources-per-Watt. Synchronization experiments using the NTP protocol show that the maximum initial delay of 10 ms between nodes does not prevent us from achieving high spatial sound quality.
URI: http://hdl.handle.net/10553/112812
ISSN: 0920-8542
DOI: 10.1007/s11227-020-03577-4
Fuente: Journal of Supercomputing [ISSN 0920-8542], v. 77, p. 6920–6935
Colección:Artículos
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