Sökning: "inverse filtering"

Visar resultat 21 - 23 av 23 uppsatser innehållade orden inverse filtering.

  1. 21. A survey on methods for blind acoustic dereverberation

    Magister-uppsats, Blekinge Tekniska Högskola/Avdelningen för signalbehandling

    Författare :Isaac Osunkunle; Sayedali Shekarchi; [2007]
    Nyckelord :blind identification; inverse filtering; frequency domain; least squares;

    Sammanfattning : Reverberation is a phenomenon in auditoriums such as concert halls and churches. Reverberation consists of a combination of multiple echoes, and its intensity and duration depend on factors such as the dimensions of the enclosure, materials used in construction and shape. LÄS MER

  3. 22. Equalization of Audio Channels : A Practical Approach for Speech Communication

    Magister-uppsats, Blekinge Tekniska Högskola/Institutionen för telekommunikation och signalbehandling

    Författare :Nils Westerlund; [2000]
    Nyckelord :Speech enhancement; channel equalization; deconvolution; inverse filtering; ear-muff;

    Sammanfattning : Many occupations of today requires the usage of personal preservative equipment such as a mask to protect the employee from dangerous substances or the usage of a pair of ear-muffs to damp high sound pressure levels. The goal of this Master thesis is to investigate the possibility of placing a microphone for communication purposes inside such a preservative mask as well as the possibility of placing the microphone inside a persons auditory meatus and perform a digital channel equalization on the speech path in question in order to enhance the speech intelligibility. LÄS MER

  4. 23. GIS in a simulator environment and efficient inverse mapping of roads

    Uppsats för yrkesexamina på avancerad nivå, Bildbehandling; Tekniska högskolan

    Författare :Stefan Langemark; [1999]
    Nyckelord :;

    Sammanfattning : This thesis investigates the possibilities of using GIS (Geographic Information System) data with an airborne autonomous vehicle developed in the WITAS project. Available for the thesis are high resolution (0. LÄS MER