@conference{hawksford2002time, title = {Time-quantized Frequency Modulation with Time Dispersive Codes for the Generation of Sigma-delta Modulation}, author = {Hawksford, Malcolm J.}, booktitle = {Audio Engineering Society Convention 112}, month = {Apr}, year = {2002}, url = {https://www.aes.org/e-lib/browse.cfm?elib=11367} }