The SMRT is a measure of spectral resolution that correlates with speech measures (Holden et al., 2016; Lawler et al., 2017; Zhou, 2017, Jeddi et al., 2019).
Conducting the test is quick and easy and the software is available for free download from this webpage. Update Sept 23, 2018 Note an erratum was released (pdf) in which:
Update: May 18, 2017 New version of SMRT (1.1.3) is released.
Update: November 22, 2016 We have just found a new paper (Holden et al., 2016) which shows that SMRT correlates significantly with CNC words in quiet, AzBio in quiet, AzBio in Noise, and HINT sentences in R-Space for cochlear implant users. This result has now been replicated in Zhou (2017). BUG WARNING FOR EUROPEAN COMPUTERS (Version 1.0 and 1.1 only): There is a bug running the SMRT on computers which display decimals with a comma (i.e. 24,3). It can be fixed by switching the PC to use a period. Instructions on how to do so are here. (note: this bug was fixed in SMRT 1.1.3) Change log Version 1.1.3
Version 1.1
Version 1.0
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Download
SMRT 1.1.3: here (tigerspeech.com) or here (Google Drive) SMRT 1.1: here SMRT 1.0: here MATLAB Script to Generate Stimuli: here Copyright 2013, 2016 David Landsberger and Justin Aronoff
Software is provided as-is with no warranty. There is no charge for using this software. If you use this test, please cite Aronoff, J.M. and Landsberger, D.M. (2013). The development of a modified spectral ripple test. Journal of the Acoustical Society of America, 134(2),EL217-EL222 pdf Many thanks to the Emily Fu Foundation If you find this software useful, please consider making a donation to School on Wheels in honor of the SMRT test / Emily Fu Foundation.
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