@conference{sakamoto1981digital, title = {Digital Equalization and Mixing Circuit Design}, author = {Sakamoto, Naraji and Yamaguchi, Susumu and Kurahashi, Akira and Kogure, Takuyo}, booktitle = {Audio Engineering Society Convention 70}, month = {Oct}, year = {1981}, url = {https://www.aes.org/e-lib/browse.cfm?elib=11945} }