Keikichi Hirose, Hiroya Fujisaki, Shigenobu Seto. A scheme for pitch extraction of speech using autocorrelation function with frame length proportional to the time lag. In 1992 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP '92, San Francisco, California, USA, March 23-26, 1992. pages 149-152, IEEE Computer Society, 1992. [doi]
Abstract is missing.