Subject: Re: Does anybody know a similar study? From: Mark Huckvale <m.huckvale@xxxxxxxx> Date: Wed, 18 Jun 2014 08:51:00 +0100 List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>This paper looks at the effect of repeated replay on intelligibility: Hilkhuysen, G., Lloyd, J., Huckvale, M., "Effects of replay on the intelligibility of noisy speech", Proc. 46th AES Conference on Audio Forensics, Denver Colorado, 2012, pp50-56. A PDF is available at: http://www.clear-labs.com/publications.php It shows that while intelligibility reaches a plateau after 5 repeats, confidence in one's judgement continues to increase beyond 5 repeats. Mark Huckvale On 17/06/2014 15:46, Massimo Grassi wrote: > Dear list members, > > yesterday I colleague played me a sample (a sentence) of highly degraded speech. > It was a recording made in a highly noisy environment. It included speech (a > conversation) that was hardly intelligible except for a few occasional words. > > The colleague asked me to listen to the sample and pay attention whether I was > able to spot a few target words. These words were not intelligible to me. > > The colleague then selected a portion of the recording and played it in loop. > That portion included (according to him) one target word. After a few loops I > was able to "perceive" the word. > > This is exactly the problem. I'm wandering whether it was just a suggestion due > to the repeated listening of an ambiguous auditory signal. A kid of auditory > Rorschach test: there seem to be nothing at the beginning but if you keep > listening you can hear whatever you like. > > Is there anybody out there that is aware of studies that investigated whether > listening in loop to an ambiguous signal can lead to hear things that are not in > the signal? > > I didn't find anything yet. > > Thank you all in advance, > m > -- Mark Huckvale UCL Speech, Hearing & Phonetic Sciences www.phon.ucl.ac.uk/home/mark