Media type: E-Article Title: Signal-to-Noise-Ratio Improvement in a PCM System Contributor: Clavier, A.G.; Panter, P.F.; Dite, W. Published: Institute of Electrical and Electronics Engineers (IEEE), 1949 Published in: Proceedings of the IRE, 37 (1949) 4, Seite 355-359 Language: Without Specification DOI: 10.1109/jrproc.1949.231639 ISSN: 0096-8390 Keywords: Electrical and Electronic Engineering Origination: Footnote: