Sökning: "Speech Enhancement"

Visar resultat 11 - 15 av 58 uppsatser innehållade orden Speech Enhancement.

  1. 11. Performance Evaluation of Digital Signa lProcessing Architectures Running an Acoustic Echo Cancellation Software

    Master-uppsats, Umeå universitet/Institutionen för datavetenskap

    Författare :Joel Viklund; [2016]
    Nyckelord :;

    Sammanfattning : TrueVoice is a speech enhancement software by Limes Audio AB. It improves the quality of the speech signal by using methods such as acoustic echo cancellation and noise reduction. The real time signal processing of TrueVoice puts some specic requirements on the hardware, which makes some processors more suitable than others to run the code. LÄS MER

  3. 12. New insights on speech signal modeling in a Bayesian framework approach

    Master-uppsats, KTH/Kommunikationsteori

    Författare :Adria Casamitjana Diaz; [2015]
    Nyckelord :;

    Sammanfattning : Speech signal processing is an old research topic within the communication theory community. The continously increasing telephony market brought special attention to the discipline during the 80’s and 90’s, specially in speech coding and speech enhancement, where the most significant contributions were made. LÄS MER

  4. 13. Implementing a Speech Enhancement Framework in Android

    Master-uppsats, Umeå universitet/Institutionen för datavetenskap

    Författare :Emil Lundmark; [2015]
    Nyckelord :;

    Sammanfattning : TrueVoice is a software framework containing methods for improving speech quality in hands-free full-duplex communication systems. It has previously been successfully implemented in embedded systems such as conference phones. LÄS MER

  5. 14. Speech Recognition System for Noisy Environment

    Kandidat-uppsats, Högskolan i Gävle/Avdelningen för elektronik, matematik och naturvetenskap

    Författare :Hongzhe Li; [2015]
    Nyckelord :speech recognition; multilayer perceptron; spectral subtraction;

    Sammanfattning : With the development of big data computing, the speech recognition has been popular for serving human’s life. However, when place the speech recognition system into noisy environments, the background noises greatly degrades the speech recognition system accuracy as it adds in unuseful information into the desired speech. LÄS MER

  7. 15. Implementation and Evaluation of Spectral Subtraction with Minimum Statistics using WOLA and FFT Modulated Filter Banks

    Master-uppsats, Blekinge Tekniska Högskola/Institutionen för tillämpad signalbehandling

    Författare :Peddi Srinivas Rao; Vallabhaneni Sreelatha; [2014]
    Nyckelord :Speech Enhancement; Filter Bank; Spectral Subtraction; Wiener Filtering; PESQ; DFT ; Master of Science Programme in Electrical Engineering with emphasis on Signal Processing Masterprogram i Elektroteknik med inriktning mot signalbehandling;

    Sammanfattning : In communication system environment speech signal is corrupted due to presence of additive acoustic noise, so with this distortion the effective communication is degraded in terms of the quality and intelligibility of speech. Now present research is going how effectively acoustic noise can be eliminated without affecting the original speech quality, this tends to be our challenging in this current research thesis work. LÄS MER