Search for dissertations about: "subband"
Showing result 1 - 5 of 23 swedish dissertations containing the word subband.
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1. Filter Bank Design for Subband Adaptive Filtering
Abstract : Adaptive filtering is an important subject in the field of signal processing and has numerous applications in fields such as speech processing and communications. Examples in speech processing include speech enhancement, echo- and interference- cancellation, and speech coding. READ MORE
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2. Subband Beamforming for Speech Enhancement in Hands-Free Communication
Abstract : Speech enhancement by means of microphone array signal processing has a major role in voice communication applications such as audio-conferencing, hands-free telephony, voice recognition and hearing aids. In these communication scenarios, the speaker is positioned at a remote distance from the microphones, which causes problems of environment noise and interfering sound corrupting the received speech. READ MORE
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3. Stereophonic Acoustic Echo Cancellation: Theory and Implementation
Abstract : The thesis treats theory and implementation aspects for stereophonic acoustic echo cancellation. In Paper I a complete implementation of a stereophonic acoustic echo canceler based on the two-channel fast recursive least-squares algorithm is presented. READ MORE
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4. Optimal and Adaptive Subband Beamforming
Abstract : The increased use of personal communication devices, personal computers and wireless cellular telephones enables the development of new inter-personal communication systems. The merge between computers and telephony technologies brings up the demand for convenient hands-free communications. READ MORE
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5. Soft-Constrained Subband Beamforming for Speech Enhancement
Abstract : New speech acquisition applications are emerging as a result of advances in technology and the prevalence of mobile communication. While today voice control of consumer equipment is becoming a reality, communication technology has extended voice connectivity to personal computers and mobile communication devices with the aim of enabling natural communication in a variety of environments such as cars, restaurants and offices. READ MORE