Listar por autoría "88bcb3dd-9793-4d8f-87c3-37ee76e49206"
Mostrando ítems 1-20 de 21
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A Parallel Approach to HRTF Approximation and Interpolation Based on a Parametric Filter Model
Ramos, German; Cobos, Maximo; Bank, Balázs; BELLOCH, JOSE A. Institute of Electrical and Electronics Engineers (IEEE) (2017-10)Spatial audio-rendering techniques using head-related transfer functions (HRTFs) are currently used in many different contexts such as immersive teleconferencing systems, gaming, or 3-D audio reproduction. Since all these ... -
Accelerating multi-channel filtering of audio signal on ARM processors
BELLOCH, JOSE A.; Alventosa, Juan J.; Alonso-Jordá, Pedro; Quintana-Orti, Enrique S.; Vidal, Antonio M. Springer Verlag (2016-03) -
Accelerating the SRP-PHAT algorithm on multi- and many-core platforms using OpenCL
Badía, José; BELLOCH, JOSE A.; Cobos, Maximo; Igual, Francisco D.; Quintana-Orti, Enrique S. Springer (2019-03)The Steered Response Power with Phase Transform (SRP-PHAT) algorithm is a well-known method for sound source localization due to its robust performance in noisy and reverberant environments. This algorithm is used in a ... -
An Efficient Implementation of Parallel Parametric HRTF Models for Binaural Sound Synthesis in Mobile Multimedia
BELLOCH, JOSE A.; Ramos, Germán; Badía, José; Cobos, Máximo IEEE (2020-02-09)The extended use of mobile multimedia devices in applications like gaming, 3D video and audio reproduction, immersive teleconferencing, or virtual and augmented reality, is demanding efficient algorithms and methodologies. ... -
Application of Multi-core and GPU Architectures on Signal Processing: Case Studies
González, Alberto; BELLOCH, JOSE A.; Piñero, Gema; Lorente, Jorge; Ferrer, Miguel; Roger, Sandra; Roig, Carles; Martínez, Francisco J.; De Diego, María; Alonso-Jordá, Pedro; García, Víctor M.; Quintana-Orti, Enrique S.; Remón Gómez, Alfredo; Vidal, Antonio M. Universidad Politécnica de Valencia (2010)In this article part of the techniques and developments we are carrying out within the INCO2 group are reported. Results follow the interdisciplinary approach with which we tackle signal processing applications. Chosen ... -
Comparison of Parallel Implementation Strategies in GPU-Accelerated System-on-Chip Under Proton Irradiation
Badía, José; León, Germán; BELLOCH, JOSE A.; García Valderas, Mario; LINDOSO, ALMUDENA; Entrena, Luis Institute of Electrical and Electronics Engineers (2021-11-16)Commercial off-the-shelf (COTS) system-on-chip (SoC) are becoming widespread in embedded systems. Many of them include a multicore central processing unit (CPU) and a high-end graphics processing unit (GPU). They combine ... -
Design and Implementation of Acoustic Source Localization on a Low-Cost IoT Edge Platform
Fabregat Llueca, German; BELLOCH, JOSE A.; Badía, José; Cobos, Maximo Institute of Electrical and Electronics Engineers (2020-04-08)The implementation of algorithms for acoustic source localization on edge platforms for the Internet of Things (IoT) is gaining momentum. Applications based on acoustic monitoring can greatly benefit from efficient ... -
Efficient target-response interpolation for a graphic equalizer
BELLOCH, JOSE A.; Välimäki, Vesa IEEE (2016-05)A graphic equalizer is an adjustable filter in which the command gain of each frequency band is practically independent of the gains of other bands. Designing a graphic equalizer with a high precision requires evaluating ... -
Evaluating the computational performance of the Xilinx Ultrascale plus EG Heterogeneous MPSoC
BELLOCH, JOSE A.; León, Germán; Badía, José; LINDOSO, ALMUDENA; SAN MILLAN, ENRIQUE Springer (2020-06-06)The emergent technology of Multi-Processor System-on-Chip (MPSoC), which combines heterogeneous computing with the high performance of Field Programmable Gate Arrays (FPGAs) is a very interesting platform for a huge number ... -
Evaluating the soft error sensitivity of a GPU-based SoC for matrixmultiplication
León, Germán; Badía, José; BELLOCH, JOSE A.; LINDOSO, ALMUDENA; Entrena, Luis Elsevier (2020)System-on-Chip (SoC) devices can be composed of low-power multicore processors combined with a small graphics accelerator (or GPU) which offers a trade-off between computational capacity and low-power consumption. In this ... -
GPU acceleration of a non-standard finite element mesh truncation technique for electromagnetics
Badía, José; Amor-Martin, Adrian; BELLOCH, JOSE A.; GARCIA, LUIS EMILIO IEEE (2020-05-07)The emergence of General Purpose Graphics Processing Units (GPGPUs) provides new opportunities to accelerate applications involving a large number of regular computations. However, properly leveraging the computational ... -
GPU-based Dynamic Wave Field Synthesis using Fractional Delay Filters and Room Compensation
BELLOCH, JOSE A.; González, Alberto; Quintana-Orti, Enrique S.; Ferrer, Miguel; Välimäki, Vesa IEEE (2017-02)Wave Field Synthesis (WFS) is a multichannel audio reproduction method, of a considerable computational cost that renders an accurate spatial sound field using a large number of loudspeakers to emulate virtual sound ... -
Multicore implementation of a multichannel parallel graphic equalizer
BELLOCH, JOSE A.; Badía, José; León, Germán; Bank, Balázs; Välimäki, Vesa Springer (2022-04-22)Numerous signal processing applications are emerging on mobile computing systems. These applications are subject to responsiveness constraints for user interactivity and, at the same time, must be optimized for energy ... -
On the performance of a GPU-based SoC in a distributed spatial audio system
BELLOCH, JOSE A.; Badía, José; Larios Marín, Diego Francisco; Personal, Enrique; Ferrer, Miguel; Fuster, Laura; Lupoiu, Mihaita Alexandru; González, Alberto; León, Carlos; Vidal, Antonio M.; Quintana-Orti, Enrique S. Springer (2021-01-04)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. ... -
On the performance of multi-GPU-based expert systems for acoustic localization involving massive microphone arrays
BELLOCH, JOSE A.; González, Alberto; Vidal, Antonio M.; Cobos, Maximo Elsevier (2015)Sound source localization is an important topic in expert systems involving microphone arrays, such as automatic camera steering systems, human–machine interaction, video gaming or audio surveillance. The Steered Response ... -
Optimized Fundamental Signal Processing Operations For Energy Minimization on Heterogeneous Mobile Devices
BELLOCH, JOSE A.; Badía, José; Igual, Francisco D.; González, Alberto; Quintana-Orti, Enrique S. IEEE (2018-05)Numerous signal processing applications are emerging on both mobile and high-performance computing systems. These applications are subject to responsiveness constraints for user interactivity and, at the same time, must ... -
Practical considerations for acoustic source localization in the IoT era: Platforms, energy efficiency, and performance
BELLOCH, JOSE A.; Badía, José; Igual, Francisco D.; Cobos, Maximo IEEE (2019-06)The rapid development of the Internet of Things (IoT) has posed important changes in the way emerging acoustic signal processing applications are conceived. While traditional acoustic processing applications have been ... -
Reliability Evaluation of LU Decomposition on GPU-Accelerated System-on-Chip Under Proton Irradiation
Badía, José; León, Germán; BELLOCH, JOSE A.; LINDOSO, ALMUDENA; García Valderas, Mario; Morilla, Yolanda; Entrena, Luis IEEE (2022-03-22)Graphic processing units (GPUs) have become a basic accelerator both in high-performance nodes and low-power system-on-chip (SoC). They provide massive data parallelism and very high performance per watt. However, their ... -
Solving weighted least squares (WLS) problems on arm-based architectures
BELLOCH, JOSE A.; Bank, Balázs; Igual, Francisco D.; Quintana-Orti, Enrique S.; Vidal, Antonio M. Springer (2016-11)The Weighted Least Squares algorithm (WLS) is applied to numerous optimization problems, but requires the use of high computational resources, especially when complex arithmetic is involved. This work aims to accelerate ... -
Strategies to parallelize a finite element mesh truncation technique on multi-core and many-core architectures
Badia, Jose M.; Amor-Martin, Adrian; BELLOCH, JOSE A.; Garcia-Castillo, Luis Emilio Springer (2022-12-02)Achieving maximum parallel performance on multi-core CPUs and many-core GPUs is a challenging task depending on multiple factors. These include, for example, the number and granularity of the computations or the use of the ...