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Listar por autor "López Monfort, José Javier"

Mostrando ítems 1-20 de 93

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A bayesian direction-of-arrival model for an undetermined number of sources using a two-microphone array

Escolano Carrasco, José; Xiang, Ning; Pérez-Lorenzo, José M.; Cobos Serrano, Máximo; López Monfort, José Javier (Acoustical Society of America, 2014-02)

Sound source localization using a two-microphone array is an active area of research, with considerable potential for use with video conferencing, mobile devices, and robotics. Based on the observed time-differences of ...
A Bayesian inference model for speech localization (L)

Escolano Carrasco, José; Pérez Lorenzo, José Manuel; Xiang, Ning; Cobos Serrano, Máximo; López Monfort, José Javier (Acoustical Society of America, 2012-09)

The localization of active speakers with microphone arrays is an active research line with a considerable interest in many acoustic areas. Many algorithms for source localization are based on the computation of the Generalized ...
A comprehensive discrete-time computer modeling of acoustic Transmission Line loudspeakers

Escolano Carrasco, José; Pueo Ortega, Basilio; López Monfort, José Javier (Elsevier, 2011-10)

The Transmission Line loudspeaker is an audio loudspeaker enclosure topology devoted to extending the low frequency range near the loudspeaker frequency resonance. A few models based on physical properties of damped pipes ...
A modified SRP-PHAT functional for robust real-time sound source localization with scalable spatial sampling

Cobos Serrano, Máximo; Martí Guerola, Amparo; López Monfort, José Javier (Institute of Electrical and Electronics Engineers (IEEE), 2011-01)

The Steered Response Power – Phase Transform (SRP-PHAT) algorithm has been shown to be one of the most robust sound source localization approaches operating in noisy and reverberant environments. However, its practical ...
A steered response power iterative method for high-accuracy acoustic source localization

Martí Guerola, Amparo; Cobos Serrano, Máximo; López Monfort, José Javier; Escolano Carrasco, José (Acoustical Society of America, 2013-10)

Source localization using the steered response power (SRP) usually requires a costly grid-search procedure. To address this issue, a modified SRP algorithm was recently introduced, providing improved robustness when using ...
An Immersive Multi-Party Conferencing System for Mobile Devices Using 3D Binaural Audio

Aguilera Martí, Emanuel; López Monfort, José Javier; Cobos Serrano, Máximo; Macià Pina, Luis; Martí Guerola, Amparo (Instituto de Telecomunicaciones y Aplicaciones Multimedia (ITEAM), 2012)

[EN] The use of mobile telephony, along with the widespread of smartphones in the consumer market, is gradually displacing traditional telephony. Fixed-line telephone conference calls have been widely employed for ...
An Open-Set Recognition and Few-Shot Learning Dataset for Audio Event Classification in Domestic Environments

Naranjo-Alcaraz, Javier; Perez-Castanos, Sergi; Zuccarello, Pedro; Torres, Ana M.; López Monfort, José Javier; Ferri, Francesc J.; Cobos, Maximo (Elsevier, 2022-12)

[EN] The problem of training with a small set of positive samples is known as few-shot learning (FSL). It is widely known that traditional deep learning algorithms usually show very good performance when trained with large ...
Analysis and enhancement of multiactuator panels for wave field synthesis reproduction

PUEO ORTEGA, BASILIO JAVIER (Universitat Politècnica de València, 2008-10-13)

Esta tesis aborda el desarrollo y mejora de los altavoces de panel multiexcitados (MAPs) con particular importancia en su aplicación para la reproducción de síntesis de campo (WFS). Los altavoces MAPs pueden usarse como ...
ANÁLISIS DE LA ACÚSTICA DE SALAS MEDIANTE LA UTILIZACIÓN DE ARRAYS DE MICRÓFONOS CIRCULARES

Torres Aranda, Ana María (Universitat Politècnica de València, 2012-12-21)

Esta tesis doctoral aborda el estudio y análisis de la acústica de salas mediante un proceso de descomposición del campo sonoro muestreado con arrays circulares de micrófonos. El comportamiento acústico de una sala teniendo ...
Análisis y aplicaciones del estándar MPEG-7

Rausell Estarlich, Vicente (Universitat Politècnica de València, 2013-07-29)

Introducción al estándar MPEG-7 basado en los descriptores multimedia, junto con una demostración práctica para poder comprobar su aplicación en la vida real.. MPEG-7 es un estándar que abarca una gran diversidad de ...
Application of sound source separation methods to advanced spatial audio systems

Cobos Serrano, Máximo (Universitat Politècnica de València, 2010-12-03)

This thesis is related to the field of Sound Source Separation (SSS). It addresses the development and evaluation of these techniques for their application in the resynthesis of high-realism sound scenes by means of Wave ...
Audio Analogico vs Audio Digital

López Monfort, José Javier (Universitat Politècnica de València, 2016-06-28)

Este video presenta una visión general de las ventajas que aporta el audio digital respecto al analógico. Se detallan una por una todas las ventajas y la repercusión que han tenido en la evolución de la tecnología del sonido.
Audio-Based System for Automatic Measurement of Jump Height in Sports Science

Pueo, Basilio; López Monfort, José Javier; Jimenez-Olmedo, Jose M. (MDPI AG, 2019-06-01)

[EN] Jump height tests are employed to measure the lower-limb muscle power of athletic and non-athletic populations. The most popular instruments for this purpose are jump mats and, more recently, smartphone apps, which ...
Automatic speech recognition in cocktail-party situations : a specific training for separated speech

Martí Guerola, Amparo; Cobos Serrano, Máximo; López Monfort, José Javier (Acoustical Society of America, 2012-02)

Automatic speech recognition (ASR) refers to the task of extracting a transcription of the linguistic content of an acoustical speech signal automatically. Despite several decades of research in this important area of ...
Combining Sound and Deep Neural Networks for the Measurement of Jump Height in Sports Science

Banchero-Martínez, Lucas; López Monfort, José Javier; Pueo, Basilio; Jimenez-Olmedo, Jose M. (MDPI AG, 2024-06)

[EN] Jump height tests are employed to measure lower-limb muscle power of athletic and non-athletic populations. The most popular instruments for this purpose are jump mats and, in recent years, smartphone apps, which ...
Compensating first reflections in non-anechoic head-related transfer function measurements

López Monfort, José Javier; Gutierrez-Parera, Pablo; Cobos, Maximo (Elsevier, 2022-01)

[EN] Personalized Head-Related Transfer Functions (HRTFs) are needed as part of the binaural sound individ- ualization process in order to provide a high-quality immersive experience for a specific user. Signal processing ...
Computer-based detection and classification of flaws in citrus fruits

López Monfort, José Javier; Cobos Serrano, Máximo; Aguilera Martí, Emanuel (SPRINGER, 2011)

[EN] In this paper, a system for quality control in citrus fruits is presented. In current citrus manufacturing industries, calliper and color are successfully used for the automatic classification of fruits using vision ...
Contribuciones a la implementación de sistemas Wave Field Synthesis

Bleda Pérez, Sergio (Universitat Politècnica de València, 2009-12-17)

De entre los sistemas de reproducción de sonido 3D, Wavefield Synthesis (WFS) presenta una serie de ventajas sobre el resto, principalmente en lo que respecta al gran realismo y sensación de inmersión acústica que ...
Contributions to discrete-time methods for room acoustic simulation

Escolano Carrasco, José (Universitat Politècnica de València, 2010-05-24)

The sound field distribution in a room is the consequence of the acoustic properties of radiating sources and the position, geometry and absorbing characteristics of the surrounding boundaries in an enclosure (boundary ...
Corrección del sonido por el efecto de uso de mascarillas mediante filtros digitales

López Rodríguez, Alba (Universitat Politècnica de València, 2021-07-25)

[ES] Al utilizar máscaras de protección para evitar la transmisión de enfermedades de vía aérea como el COVID-19, el sonido de la voz humana se ve alterado por la iteración de las ondas sonoras con el filtro de la mascarilla. ...