Re: Threshold of increasing/decreasing tones

[Anders Genell <anders.genell@xxxxxxxxxxxxxx>]

Dear Stefan!
This exact approach is used in a recent Masters Thesis by Mike Magill at  
our department.
I could email you a pdf if you are interested.

Best Regards,


Anders Genell
Doctoral Student
Department of Applied Acoustics
Chalmers University of Technology
Gothenburg
Sweden



Den 2006-02-15 16:17:31 skrev Stefan Kerber  
<kerber@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>:

> Dear list
>
> I am trying to determine masked threshold by the following procedure:
> Subjects hear a masking noise in which a tone linearly  
> increases/decreases
> in level. The task of the subjects is to press a button when they first  
> hear
> / no more hear the tone. Out of this response I try the calculate masked
> threshold and compare it to thresholds determined by usual procedures.
> Now my questions: Is anybody on the list aware of work which deals with  
> the
> masked threshold of in level increasing / decreasing tones? Are there  
> some
> studies which followed a similar approach? Is anybody aware of effects  
> due
> to the direction of level change, especially can a lowered threshold for
> decreasing tones be caused by some kind of "continuity" or "priming"  
> effect?
>
> Thanks in advance
> Stefan Kerber
>
>
>
> --------------------------------------------
> Stefan Kerber
> Lehrstuhl für Mensch Maschine Kommunikation
> AG Technische Akustik
> Technische Universität München
>
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