Sökning: "Audio Monitoring Systems"

Hittade 5 uppsatser innehållade orden Audio Monitoring Systems.

  1. 1. An Investigation of Methods for Flow Measurements in a Gasketed Plate Heat Exchanger for Predictive Maintenance

    Master-uppsats, Lunds universitet/Avdelningen för Biomedicinsk teknik

    Författare :Viktor Ekström; [2022]
    Nyckelord :gasketed plate heat exchanger; electrical measurements; sensors; predictive maintenance; machine learning; Technology and Engineering;

    Sammanfattning : For a company to stay relevant in the long term, it is essential to keep up with the latest technology and continuously consider new innovative solutions for improving products and services. The gasketed plate heat exchanger (GPHE) is a mechanical device, and this work attempts to investigate different possibilities for incorporating sensor devices and predictive maintenance systems to improve the device. LÄS MER

  3. 2. Audio-based Motion Detection

    Master-uppsats, Lunds universitet/Institutionen för elektro- och informationsteknik

    Författare :Gopal Gomatam; Filip Dujmic; [2021]
    Nyckelord :sonar; motion detection; audio frequencies; audio processing; Technology and Engineering;

    Sammanfattning : Motion detection is an essential technology and it has numerous use-cases, such as security tracking, automated door opening systems, and IP cameras. Commonly, passive infrared sensors or radio frequency sensors are used for motion detection. However, this thesis focuses on performing motion detection using existing hardware at audio frequencies. LÄS MER

  4. 3. An IoT Solution for Urban Noise Identification in Smart Cities : Noise Measurement and Classification

    Master-uppsats, Linnéuniversitetet/Institutionen för fysik och elektroteknik (IFE)

    Författare :Yasser Alsouda; [2019]
    Nyckelord :urban noise; sound pressure level SPL ; internet of things IoT ; machine learning; support vector machine SVM ; k-nearest neighbors KNN ; bootstrap aggregating Bagging ; random forest; mel-frequency cepstral coeffi-cients MFCC ;

    Sammanfattning : Noise is defined as any undesired sound. Urban noise and its effect on citizens area significant environmental problem, and the increasing level of noise has become a critical problem in some cities. Fortunately, noise pollution can be mitigated by better planning of urban areas or controlled by administrative regulations. LÄS MER

  5. 4. Ljudövervakningssystem för smarta städer : Designriktlinjer i enlighet med svensk lagstiftning

    Kandidat-uppsats, Uppsala universitet/Informationssystem

    Författare :Martin Skiöld; Tobias Näslund Eriksson; [2016]
    Nyckelord :Audio Monitoring Systems; Intelligent Acoustics; Acoustic Sensing; Smart Cities; Internet of Things; Privacy by Design; Design Guidelines; ShotSpotter; EAR-IT; IT law; Legal Conditions; Legal Compliance; Ljudövervakningssystem; Smarta Städer; Inbyggd Integritet; Designriktlinjer; ShotSpotter; EAR-IT; IT-rätt; Juridiska förutsättningar;

    Sammanfattning : This paper investigates how audio monitoring systems should be designed, in the context of smart cities and in accordance with Swedish legislation. Audio monitoring for smart cities is promising and have previously shown great potential. However its opportunities are still relatively unexplored. LÄS MER

  7. 5. Supervision of video and audio content in digital TV broadcasts

    Master-uppsats, KTH/Kommunikationssystem, CoS

    Författare :Michail Vlasenko; [2007]
    Nyckelord :DVB-T; Transport Stream; monitoring; broadcast TV;

    Sammanfattning : An automatic system for supervision of the video and audio content in digital TV broadcasts was investigated in this master’s thesis project. The main goal is to find the best and most cost effective solution for Teracom to verify that the broadcast TV content as received by remote receivers is the same as that incoming to Teracom from content providers. LÄS MER