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Double-Ended Quality Assessment System for Super-Wideband Speech

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3 Author(s)
L. Anders Ekman ; School of Electrical Engineering, KTH (Royal Institute of Technology), Stockholm, Sweden ; Volodya Grancharov ; W. Bastiaan Kleijn

This paper describes a double-ended quality assessment system for speech with a bandwidth of up to 14 kHz (so-called super-wideband speech). The quality assessment system is based on a combination of local and global features, where the local features are dependent on a time alignment procedure and the global features are not. The system is evaluated over a large set of subjectively scored narrowband, wideband and super-wideband speech databases. The system performs similarly to PESQ for narrowband speech and significantly better for wideband speech.

Published in:

IEEE Transactions on Audio, Speech, and Language Processing  (Volume:19 ,  Issue: 3 )