1–20 of 30 hits
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    Calculation of tyre noise radiation with a mixed approach

    Jean, P. / Gaudaire, F. / Noe, N. | Tema Archive | 2008
    tyre, ground and car body. This Green function can be calculated by means of a beam tracing program named ICARE - which can deal with curved ...

    The Influence of the Acoustic Properties of Motorcycle Helmets on Temporary Hearing Loss in Motorcyclists

    Kennedy, J. / Holt, N. / Carley, M. et al. | Tema Archive | 2014
    shift pure tone audiometry was conducted before and after exposure to white noise, with and without a helmet in a laboratory setting and after ...

    On a Hybrid Model for the Prediction of Pile Driving Noise from Offshore Wind Farms

    Lippert, Tristan / Estorff, Otto von | Tema Archive | 2014
    pile is investigated in detail and the found signals are processed for further use with the WI model. Subsequently, the results of the WI ...

    Perceptual Impact of Distance on High-Speed Train Sound Quality

    Terroir, Jonathan / Lavandler, Catherine | Tema Archive | 2014

    Influence of real atmospheric conditions on free propagation of aircraft noise

    Binder, U. / Isermann, U. / Schmid, R. | Tema Archive | 2013

    Characterization of the attenuation properties in motorcycle helmets

    Cespon, Jose Luis Gonzalez / Vilan Vilan, Jose Antonio / Sobreira Seoane, Manuel A. et al. | Tema Archive | 2013
    an semi-anechoic chamber. In the whole process a dummy with microphones in the ear (HATS) was used. The measurement was made according to ISO ...

    Sound propagation from elevated sources- results of a dedicated measuring campaign

    Trimpop, M. / Bütikofer, R. | Tema Archive | 2012
    charge sizes were used: one with a sound energy level LQ of 162 dB(C) and a second with 139 dB(C). The test site was flat and mainly ...

    Assessment of conversational speech quality inside vehicles, concerning influences of room acoustics and driving noises

    Jung, Oliver | Tema Archive | 2012
    quality of conversations between passengers. A listening test with 25 participants was performed inside a laboratory to assess the impact of ...

    Imaging with a new multi-look front-scan sonar system

    Cervenka, P. / Marchal, J. | Tema Archive | 2004
    data acquired show that mapping of the relief of the seafloor and characterization of the seabed with a systematic angular dependence over a ...

    Optimal approach minimizing aircraft noise and fuel consumption

    Khardi, S. / Abdallah, L. / Konovalova, O. et al. | Tema Archive | 2010
    In this paper, we have solved an optimal control problem with a reliable numerical computation, using an accuracy algorithm. A continuous ...

    Sound quality assessment of internal automotive road noise using sensory science

    Bergeron, F. / Astruc, C. / Berry, A. et al. | Tema Archive | 2010

    Sound source separation on ICE 3 high speed trains based on combined sound pressure and sound velocity measurements

    Wunderli, Jean Marc | Tema Archive | 2009
    pressure microphone with two sound velocity transducers, all of which are positioned at one point. The velocity transducers are employed as ...

    Measurement of dry sliding friction rubbing noise using nearfield acoustic holography

    Smyth, S. / Rice, H.J. | Tema Archive | 2009
    further reduce tyre noise. In this paper the rubbing noise generated by dry sliding friction has been studied with a view to gaining an ...

    The sound quality of car horns: Designing new representative sounds

    Lemaitre, Guillaume / Susini, Patrick / Winsberg, Suzanne et al. | Tema Archive | 2009
    psychoacoustical framework. They seek to provide car horn builders with recommendations allowing them to create new sounds. In the first part, we studied ...

    Estimation of night traffic noise levels

    Jimenez, S. / Genesca, M. / Romeu, J. et al. | Tema Archive | 2008
    A method to estimate levels of night traffic noise Ln is presented with the assumption that the day levels Ld are ...

    The new German prediction model for railway noise "Schall 03 2006": An alternative method for the harmonised calculation method proposed in the EU directive on environmental noise

    Moehler, Ulrich / Kurze, Ulrich J. / Liepert, Manfred et al. | Tema Archive | 2008
    included for introducing new and different vehicle or track types. With respect to the harmonised railway computation method to be used for the ...

    Exploring roughness perception in car engine noises through complex cepstrum analysis

    Camacho, A. / Pinero, G. / Diego, M. De et al. | Tema Archive | 2008
    broadband noises. Here a new model of engine noise production is proposed in order to relate some of its features with the roughness perceived. The ...

    An experimental study of the vertical directivity pattern of wheel/rail rolling noise

    Lui, W.K. / Li, K.M. / Leung, C.W.M. et al. | Tema Archive | 2007
    histories computed from a horizontal radiation model are compared with the measured noise profiles. The measured sound exposure levels are used to ...

    The IMAGINE source model for railway noise prediction

    Dittrich, Michael | Tema Archive | 2007
    A generic railway noise source model is now available, capable of covering many situations with characteristic noise sources. Noise control ...

    Concepts of aircraft noise calculations

    Bütikofer, R. | Tema Archive | 2007
    many features usually not available with today's widely used programs like INM (Integrated Noise Model). The various approaches to calculate ...