WASET
    Asma Rabaoui and  Zied Lachiri and  Noureddine Ellouze,  Using HMM-based Classifier Adapted to Background Noises with Improved Sounds Features for Audio Surveillance Application.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2009, vol. 35(11). 2609 - 2618
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/12203.