Abstract / truncated to 115 words (read the full abstract)

In modern devices which provide hands-free speech capturing functionality, such as hands-free communication kits and voice-controlled devices, the received speech signal at the microphones is corrupted by background noise, interfering speech signals, and room reverberation. In many practical situations, the microphones are not necessarily located near the desired source, and hence, the ratio of the desired speech power to the power of the background noise, the interfering speech, and the reverberation at the microphones can be very low, often around or even below 0 dB. In such situations, the comfort of human-to-human communication, as well as the accuracy of automatic speech recognisers for voice-controlled applications can be signi cantly degraded. Therefore, e ffective speech enhancement ... toggle 6 keywords

speech enhancement psd matrix estimation spatial filtering source separation source tracking noise reduction


Taseska, Maja
Friedrich-Alexander Universität Erlangen-Nürnberg
Publication Year
Upload Date
Feb. 7, 2018

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