K. HIROSE, Q. SUN, and N. MINEMATSU, “Synthesis of fundamental frequency contours for Standard Chinese based on superpositional and tone nucleus models”, Arch. Acoust., vol. 32, no. 1, pp. 41–50, Apr. 2014, Accessed: Apr. 26, 2025. [Online]. Available: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/764