Exploració per autor "Mariño Acebal, José Bernardo"
Ara es mostren els items 1-20 de 123
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62: Una herramienta interactiva para el estudio del tratamiento de la señal
Mariño Acebal, José Bernardo; Vallverdú Bayés, Sisco (Universidad de las Palmas de Gran Canaria, 1994)
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A comparative study of techniques for HMM-based noisy speech recognition in noisy car environment
Hernando Pericás, Francisco Javier; Nadeu Camprubí, Climent; Mariño Acebal, José Bernardo (Springer, 1993)
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Accés obertThe performance of existing speech recognition systems degrades rapidly in the presence of background noise when training and testing cannot be done under the same ambient conditions. The aim of this paper is to report the ... -
A continuously adaptive vector predictive coder (AVPC) for speech encoding
Masgrau Gómez, Enrique José; Mariño Acebal, José Bernardo; Vallverdú Bayés, Sisco (Institute of Electrical and Electronics Engineers (IEEE), 1986)
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Accés obertIn this work we present a waveform speech coding system including vector quantization. This system can be seen as a vector version of the scalar ADPCM speech coder. In such system the speech samples are grouped in vectors ... -
A direct approximation technique for designing digital equalizers with simultaneous specification of magnitude and phase
Mariño Acebal, José Bernardo; Figueiras Vidal, Aníbal R. (Georgi, 1978)
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Accés obertA new direct method for designing nonrecursive and recursive digital equalizers approximating specified attenuation and phase responses is introduced . This method allows to control both magnitude and phase characteristics ... -
A linear transform for spectral estimation
Lagunas Hernandez, Miguel A.; Figueiras Vidal, Aníbal R.; Mariño Acebal, José Bernardo; Carol Vilanova, Antonio (1981-10)
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A second opinion approach for speech recognition verification
Hernández-Ábrego, G; Mariño Acebal, José Bernardo (M,I, Torres & A. Sanfeliu / AERFAI, 1999)
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Accés obertIn order to improve the reliability of speech recognition results, a verifying system, that takes profit of the information given from an alternative recognition step is proposed. The alternative results are considered as ... -
A suboptimum rank test for radar detection
Sanz González, José Luis; Figueiras Vidal, Aníbal R.; Mariño Acebal, José Bernardo (Universitat Politècnica de Catalunya (UPC), 1983)
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Accés obertIn this communication, a new nonparametric rank scheme is in traduced for Radar application and its performance briefly analyzed. The proposed scheme has a suboptimum character, since it is introduce as a simplification ... -
Adaptación de impedancias mediante redes selectivas
Mariño Acebal, José Bernardo (1974-06)
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Adaptive prediction and bit-assignment in subband coding of speech
Mariño Acebal, José Bernardo; Martí Ros, Jaume (1985)
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Accés obertThe combination of time-domain harmonic scaling (TDHS) and sub-band coding (SBC) provides an encoding approach which allows 9.6 Kb/s speech encoding with good communication quality. Starting from this structure, this paper ... -
Adaptive vector predictive speech coding with sample by sample update at 16 Kbps
Masgrau Gómez, Enrique José; Mariño Acebal, José Bernardo (1986)
Text en actes de congrés
Accés obertA vectorial generalization of the ADPCM system is introduced. Once the speech signal is grouped in vectors, they are coded using a vector predictor (VP) and a vector quantizer (VQ). Both subsystems are continously adaptive; ... -
Albayzin speech database: design of the phonetic corpus
Moreno Bilbao, M. Asunción; Poig, D; Bonafonte Cávez, Antonio; Lleida, E; Llisterri, J; Mariño Acebal, José Bernardo; Nadeu Camprubí, Climent (. EUROSPEECH, 1993)
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Accés obertThis paper describes the phonetic content of Albayzin, a spoken database for Spanish designed for speech recognition purposes. A statistical study of a large sample of spontaneous speech is presented, and the phonetic and ... -
An adaptive design of an all-zero spectral estimator
Lagunas Hernandez, Miguel A.; Figueiras Vidal, Aníbal R.; Mariño Acebal, José Bernardo (Institute of Electrical and Electronics Engineers (IEEE), 1981)
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An adaptive gradient-search based algorithm for discriminative training of hmm's
Nogueiras Rodríguez, Albino; Mariño Acebal, José Bernardo; Monte Moreno, Enrique (Robert H. Mannel and Jordi Robert-Ribes, 1998)
Comunicació de congrés
Accés restringit per política de l'editorialAlthough having revealed to be a very powerful tool in acoustic modelling, discriminative training presents a major drawback: the lack of a formulation guaranteeing convergence in no matter which initial conditions, such ... -
An alternative approach to implement a recursive interpolation
Lagunas Hernandez, Miguel A.; Mariño Acebal, José Bernardo; Nadeu Camprubí, Climent; Figueiras Vidal, Aníbal R. (Institute of Electrical and Electronics Engineers (IEEE), 1981)
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Aplicación del muestreo enfatizado a la evaluación de transmisiones digitales
Figueiras Vidal, Aníbal R.; Mariño Acebal, José Bernardo; Lagunas Hernandez, Miguel A.; García Gómez, Ramón (1980)
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Accés obertThe Importance Sampling Technique is a method for reducing the computational effort in Montecarlo simulations for obtaining the relative frequency of an event having a very low probability. While this method is well known ... -
Automatic and human evaluation study of a rule-based and a statistical Catalan-Spanish machine translation systems
Ruiz Costa-Jussà, Marta; Farrús Cabeceran, Mireia; Mariño Acebal, José Bernardo; Rodríguez Fonollosa, José Adrián (2011)
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Accés obertMachine translation systems can be classified into rule-based and corpus-based approaches, in terms of their core technology. Since both paradigms have largely been used during the last years, one of the aims in the ... -
Automatic Segmentation of Spanish Speech Into Syllables
Mariño Acebal, José Bernardo (1989)
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Accés obertThis paper presents an algorithm that provides a syllabic segmentation of speech following the syllabification rules of Spanish language. The implemented algorithm is divided into two parts. First, an initial segmentation ... -
AVPC-Subband Coding System for Speech Encoding
Masgrau Gómez, Enrique José; Mariño Acebal, José Bernardo; Rodríguez Fonollosa, José Adrián; Salavedra Molí, Josep (1987)
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Accés obertThe combination of Vector Quantization (VQ) and predictive techniques -named AVPC systems- has been shown as interesting systems for speech waveform coding at medium-high rates (ref. 1 to 3). In this work we present a such ... -
Cohn's filters with parallel-coupled transmission lines and no discontinuities
Mariño Acebal, José Bernardo; de los Reyes, Elías; Masgrau Gómez, Enrique José (Warsaw University of Technology, 1980)
Text en actes de congrés
Accés obertA new method for designing Cohn's parallel-coupled transmission-line filters is introduced. This method is particularly well suited to obtain designs without discontinuities in the junction of the different transmission ... -
Comments on and extensions of wolf's signal-to-channel noise formulas for delta-modulated systems
Figueiras Vidal, Aníbal R.; Mariño Acebal, José Bernardo; Lagunas Hernandez, Miguel A. (1980-01)
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