@conference{muraoka1979examination, title = {Examination of Audio-Bandwidth Requirements for Optimum Sound Signal Transmission}, author = {Muraoka, Teruo and Iwahara, Makoto and Yamada, Yasuhiro}, booktitle = {Audio Engineering Society Convention 64}, month = {Nov}, year = {1979}, url = {https://www.aes.org/e-lib/browse.cfm?elib=2809} }