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. 2021 Aug 25;22(5):481–508. doi: 10.1007/s10162-021-00811-5

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© The Author(s) 2021

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 1 — Part a) shows the spectrograms of the sentence “The cat played with some wool.” in quiet, in a 20-talker babble noise at a signal-to-noise ratio of 10 dB, and after processing with a DNN noise reduction (NR) algorithm (Goehring et al. 2019a). Parts b) and c) show the electrical stimulation patterns (electrodograms) after processing with a 20-channel n-of-m strategy with 8 maxima and with a 20-channel CIS strategy, respectively