Jan Uddenfeldt, Lars-Henning Zetterberg. Algorithms for Delayed Encoding in Delta Modulation with Speech-Like Signals. IEEE Transactions on Communications, 24(6):652-658, 1976. [doi]
@article{UddenfeldtZ76,
title = {Algorithms for Delayed Encoding in Delta Modulation with Speech-Like Signals},
author = {Jan Uddenfeldt and Lars-Henning Zetterberg},
year = {1976},
doi = {10.1109/TCOM.1976.1093341},
url = {https://doi.org/10.1109/TCOM.1976.1093341},
researchr = {https://researchr.org/publication/UddenfeldtZ76},
cites = {0},
citedby = {0},
journal = {IEEE Transactions on Communications},
volume = {24},
number = {6},
pages = {652-658},
}