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Mel-frequency cepstrum coefficients (MFCCs) extracted from speech recordings has been proven to be the most effective feature set to capture the frequency spectra produced by a recording device. This paper claims that audio evidence such as a recorded call contains intrinsic artifacts at both transmitting and receiving ends. These artifacts allow(More)
The future of multimedia technology is guided on how it is utilized. One particular domain that has shown a lot of potential form multimedia use is the education sector. This paper will try to explain the process of development a multimedia tool that will be used to construct educational teaching and learning materials or otherwise known as courseware. The(More)
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