Title :
Natural quality two-band LPC coding of speech at 880 bit/s with frame interpolation
Author :
Woo-Jin Han ; Eun-Kyoung Kim ; Yung-Hwan Oh
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., Korea Adv. Inst. of Sci. & Technol., Taejon, South Korea
fDate :
3/14/2002 12:00:00 AM
Abstract :
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
Keywords :
interpolation; linear predictive coding; speech coding; vocoders; 880 bit/s; bit rate; frame interpolation; natural speech quality; two-band linear predictive coding vocoder;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20020182
