@article{halkosaari2005directivity, title = {Directivity of Artificial and Human Speech}, author = {Halkosaari, Teemu and Vaalgamaa, Markus and Karjalainen, Matti}, journal = {J. Audio Eng. Soc}, volume = {53}, number = {7/8}, pages = {620--631}, year = {2005}, url = {https://www.aes.org/e-lib/browse.cfm?elib=13430} }