Tomoyoshi Takebayashi, Kazuo Murano, Kaoru Yamamoto, Hiromi Mori, Yukihiro Andoh, Tsuyoshi Miyazaki 0003. A 32kbps ADPCM with improvement in coding characteristics for 9600bps modem signal. In IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 1986, Tokyo, Japan, April 7-11, 1986. pages 2187-2190, IEEE, 1986. [doi]
Abstract is missing.