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  • Bandwidth extension of narrowband speech 

    Expósito Pérez, Miquel; Salavedra Molí, Josep (Universidad Politécnica de Valencia, 2014)
    Conference report
    Open Access
    Recently, 4G mobile phone systems have been designed to process wideband speech signals whose sampling frequency is 16 kHz. However, most part of mobile and classical phone network, and current 3G mobile phones, still ...
  • Extensió de l'ample de banda de senyals de veu de banda estreta 

    Expósito Pérez, Miquel (Universitat Politècnica de Catalunya, 2014-07-25)
    Bachelor thesis
    Open Access
    Covenantee:  Technische Universität Wien
    [ANGLÈS] Many telecommunication systems and internet networks (VoIP systems) transmit narrowband speech signals, i.e. signals with a frequency band from 300-3400 Hz, and a sampling frequency of 8 kHz. In order to improve ...