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Browsing M.S. Theses by Subject "Speech processing systems."

Browsing M.S. Theses by Subject "Speech processing systems."

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  • A nonuniform sampling approach to data compression of speech and voiceband data signals 
    Bingöl, Ahmet Semih. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1985., 1985.)
    Using voiceband data and speech like signals the performance of the Asynchronous Delta Modulator. (ASDM) has been investigated and its capabilities as a potential medium-band speech coder have been evaluated. The asynchronous ...
  • A unified approach to speech enhancement and voice activity detection 
    Kasap, Ceyhan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    In this work, a unified system for voice activity detection (VAD) and speech enhancement is proposed. In the proposed system, there is mutual exchange of information between VAD and speech enhancement blocks. A new, robust ...
  • Application of deep learning for array microphone processing 
    Akyürek, Muhammed Furkan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    Array microphone processing is a complex application with multiple interlinked components like direction of arrival for the audio sources, beamforming and postfiltering that are dependent on the array geometry. The array ...
  • Domain-specific keyword spotting 
    Haznedaroğlu, Ali. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    In large vocabulary continuous speech recognition based keyword spotting applications, language modeling directly affects the system performance. In this study, a keyword adapted language model is proposed and a Turkish ...
  • Duration analysis and modelling for Turkish text to speech synthesis 
    Şayli, Ömer. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2002., 2002.)
    Naturalness in TTS systems plays a big role in the acceptability of the TTS synthesis outputs. Rhythm, intonation, stress pattern, pitch and duration (timing) are the most important parameters which effect naturalness of ...
  • Prosodically guided syllable based speaker independent isolated Turkish word recognizer 
    Ersoy, Cem. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1986., 1986.)
  • Speech synthesis using reflection coefficients 
    Bicioğlu, Önder. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1985., 1985.)
    This study outlines a method for transmitting speech using a relatively low bit rate, in comparison to traditional methods. The method is based on the theory of linear Prediction. In this approach speech is represented by ...
  • Text independent speaker verification using neural networks 
    Demirbağ, Sedat. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Speaker verification is the process of proving one’s identity through voice. A speaker verification mechanism can be deployed in a banking system, a call center, a forensics software or a mobile application for accessing ...
  • Voice driven keyword spotter 
    Çengelci, Onur. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    We designed a voice driven keyword spotter. To improve the success of the system, we made use of synthetically generated voice inputs in addition to natural voice inputs and used approximate string matching instead of exact ...

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