Hi All,
Sorry to be that person to send this multiple times, but I'm still looking for 
participants for this study.

As part of my PhD I am conducting large scale subjective testing of audio that 
has been processed using different Time-Scale Modification algorithms, and I 
would appreciate your assistance.  To facilitate this I have used the Web Audio 
Evaluation Tool to enable subjective testing through a browser, and am 
conducting the research under Griffith University Ethics Reference 2018/671.

The subjective testing can be found at 
http://www.timrobertssound.com.au/TSM/index.html with each set taking 
approximately 10-15 minutes to complete.  You are able to complete as many or 
as few sets as you prefer.

I currently have ~16600 ratings of files, with the goal to reach 25000.  It 
turns out that people know when audio sounds good and bad, but quality ratings 
vary quite a bit in the middle.  I've added a plot of the current responses to 
a reddit post requesting assistance. 


[Repost][Academic] Rating the quality of time scaled audio files (~10 
Posted in r/SampleSize by u/zygurt • 1 point and 1 comment

If you have any questions or suggestions please feel free to contact me.  Also, 
please feel free to pass the link through to anyone who you believe may be 
interested in this research.

Tim Roberts
PhD Candidate
B. MusTech, B. Eng ECE

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