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Natural quality two-band LPC coding of speech at 880 bit/s with frame interpolation

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3 Author(s)
Woo-Jin Han ; Dept. of Electr. Eng. & Comput. Sci., Korea Adv. Inst. of Sci. & Technol., Taejon, South Korea ; Eun-Kyoung Kim ; Yung-Hwan Oh

A novel frame interpolation technique for two-band linear predictive coding (LPC) vocoders is proposed for maintaining natural speech quality at bit rates below 1 kbit/s. Experimental results show that the speech quality of the proposed vocoder is quite natural at bit rates 880 bit/s and comparable to that of 4.8 kbit/s CELP

Published in:

Electronics Letters  (Volume:38 ,  Issue: 6 )