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. 2018 Aug 17;22:2331216518790903. doi: 10.1177/2331216518790903

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© The Author(s) 2018

Creative Commons Non Commercial CC BY-NC: This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (http://www.creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 4. — Relative change in modulation spectra (ΔMS) caused by fast-acting (first row), slow-acting (second row), SNR-aware (third row), and ideal SNR-aware compression (fourth row) as a function of the modulation frequency and the input SNR. Results were averaged across all four noise types. The black dashed line indicates the zero line while the left, middle, and right columns show results for shadow-filtered speech, shadow-filtered noise, and noisy speech, respectively. SNR = signal-to-noise ratio.