Sökning: "Sound level monitoring"

Visar resultat 1 - 5 av 11 uppsatser innehållade orden Sound level monitoring.

  1. 1. Industrial Machine Monitoring: Real-Time Anomalous Sound Event Detection on Low-Powered Devices

    Master-uppsats, Lunds universitet/Matematisk statistik

    Författare :Alexander Magnusson; Anton Andersson; [2023]
    Nyckelord :Anomaly Detection; Sound Event Detection; MFCC; GMM; OCSVM; Mathematics and Statistics;

    Sammanfattning : Traditionally fault detection in industrial machinery has been performed manually by experienced machine operators listening to the machines. However, it is desirable to automate this process to increase efficiency and improve the working environment of the operators. LÄS MER

  3. 2. 3D geospatial data requirements for simulating noise using the Nord2000 model: Case study of the impact of building façade types and roof configurations on simulated traffic noise levels

    Master-uppsats, Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Författare :Soraya Hosseinvash Azari; [2023]
    Nyckelord :Physical Geography; Ecosystem Analysis; noise simulation; traffic; Nord2000 model; building façade types; roof configurations; geospatial data; 3CIM; SoundPLAN; acoustic properties; urban areas; 3D city model; Earth and Environmental Sciences;

    Sammanfattning : The European Union implements the Environmental Noise Directive (END), which offers a framework for evaluating and assessing environmental noise. All EU members are required to create strategic noise maps to inform the public about noise pollution and its effects. LÄS MER

  4. 3. Medhörningens inverkan på produktionsvärdet inom livescenen : en studie kring medhörningens inverkan på vokalisters konstnärliga utrymme vid scenframträdanden

    Magister-uppsats, Högskolan Dalarna/Institutionen för kultur och samhälle

    Författare :Erika Iljero-Winnberg; [2023]
    Nyckelord :Livescen; Hörbarhet; Lombardeffekten; Ljudkvot; Interfoliering; LTAS; Salience; Medhörning; Lyssning; In-ear; Scenmonitor; Monitortekniker; Ljudtekniker; Vokalist; Sångare; Sångerska; CCM; Ickeklassisk; Riktningskaraktäristik; Kommunikation; Produktionsvärd;

    Sammanfattning : One important aspect of stage performance for non-classical singers is stage monitoring. Amplified instruments along with drums often compete in frequency and sound level which affects the audibility on stage, both in detail and as a whole. LÄS MER

  5. 4. Real-time noise event detection using a general exceedance algorithm

    Kandidat-uppsats, KTH/Skolan för teknikvetenskap (SCI)

    Författare :Oscar Lundin; [2020]
    Nyckelord :;

    Sammanfattning : With urbanization being a global trend, more and more people are finding them- selves living in close proximity to each other. This results in an increase of noise levels due to both the people and the increase of traffic in these areas. Health is- sues as a result of the increased sound levels have become a concern for the cities and governments. LÄS MER

  7. 5. 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