Re: standards of speech intelligibilty for the hearing impaired?

[Yoon Yang-soo <yyoon5@xxxxxxxx>]

The following should be added to this list.

Allen, J. B. (2005) "Consonant recognition and the articulation index," J. Acoust. Soc. Am., 117(4), p.2212-2223. 

Yang-soo



---- Original message ----
>Date: Thu, 21 Feb 2008 08:45:08 +0100
>From: Arne Leijon <arne.leijon@xxxxxxxxx>  
>Subject: [AUDITORY] standards of speech intelligibilty for the hearing impaired?  
>To: AUDITORY@xxxxxxxxxxxxxxx
>
>There have been a long series of attempts to modify the standard SII  
>procedure ANSI S3.5(1997)
>to include some basic aspects of hearing loss in predictions of speech  
>intelligibility
>for practical purposes, for example
>
>@article{Pavlovic1986,
>	Author = {Pavlovic, C.V. and Studebaker, G.A. and Sherbecoe, R.L.},
>	Journal = jasa,
>	Pages = {50-57},
>	Title = {An articulation index based procedure for predicting the  
>speech recognition performance of hearing-impaired individuals},
>	Volume = {80},
>	Year = {1986}}
>
>@article{Ching1998,
>	Author = {Ching, Teresa Y C and Dillon, Harvey and Byrne, Denis},
>	Journal = jasa,
>	Number = {2},
>	Pages = {1128-1140},
>	Title = {Speech recognition of hearing-impaired listeners:  
>predictions from audibility and the limited role of high-frequency  
>amplification},
>	Volume = {103},
>	Year = {1998}}
>
>@article{Ching2001,
>	Author = {Ching, Teresa Y C and Dillon, Harvey and Katsch, Richard  
>and Byrne, Denis},
>	Journal = {Ear and Hearing},
>	Number = {3},
>	Pages = {212-224},
>	Title = {Maximising effective audibility in hearing aid fitting},
>	Volume = {22},
>	Year = {2001}}
>
>The SII approach itself, and those modifications, are of course all  
>too simple to give a realistic
>model of all the various physiological factors that can reduce speech  
>intelligibility.
>Nevertheless, the amazing thing is that even those very simple models  
>actually account
>astonishingly well for some results of speech tests in noise, e.g.
>
>@article{Magnusson1996a,
>	Author = {Magnusson, L.},
>	Journal = {Scandinavian Audiology},
>	Number = {4},
>	Pages = {215-222},
>	Title = {Predicting the speech recognition performance of elderly  
>individuals with sensorineural hearing impairment},
>	Volume = {25},
>	Year = {1996}}
>
>For some special purposes, it may even be more reliable
>to use the acoustical prediction than to use a real speech-recognition  
>test!
>
>@article{Magnusson2001,
>	Author = {Magnusson, Lennart and Karlsson, Mia and Leijon, Arne},
>	Journal = {Ear and Hearing},
>	Number = {1},
>	Pages = {46-57},
>	Title = {Predicted and measured speech recognition performance in  
>noise with linear amplification},
>	Volume = {22},
>	Year = {2001}}
>
>Still we are probably far away from any physiologically realistic  
>standard.
>
>However, given any (more or less realistic) auditory model, it is  
>always possible to estimate
>the amount of speech information that can be transmitted through the  
>model, e.g.
>
>@inproceedings{Stadler2007,
>	Address = {Antwerpen, BE},
>	Author = {Svante Stadler and Arne Leijon and Bj{\"o}rn Hagerman},
>	Booktitle = {Interspeech 07},
>	Title = {An Information theoretic approach to estimate speech  
>intelligibility for normal and impaired hearing},
>	Year = {2007}}
>
>This approach is equivalent to testing how well an ideal automatic  
>speech-recognition system can perform, given the
>speech signal output from the auditory model.
>
>Best wishes,
>Arne Leijon
Sincerely,

Yang-soo Yoon
Ph.D. candidate
Auditory Perception at Dept. of SHS
Human Speech Recognition at Beckman Institute, UIUC
phone: 217-766-1367