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On the problem of 'In Head Localization'

: Plenge, G.

Acustica 26 (1972), No.5, pp.241-52
ISSN: 0001-7884
ISSN: 1436-7947
Journal Article
Fraunhofer HHI ()
acoustic generators; acoustoelectric effects; sound reproduction; in head localization; electroacoustic devices; electroacoustic transmission procedures; sound source; outer head localization; electroacoustic reproductions; sound production; headphones; loudspeakers

Most of the existing theories of the origin of 'In Head Localization' (IKL) concentrate on IKL arising in connection with sound produced by electroacoustic devices. In doing so, contradictions arise between the theories based on the application of headphones and those considering IKL in connection with the use of loudspeakers. The new hypothesis presented gives a non-conflicting explanation of all observed cases of IKL. Although, IKL mostly appears in connection with sound produced by electroacoustic devices this hypothesis assumes that, as a matter of principle, IKL cannot be explained by certain characteristics of electroacoustic transmission procedures. It is assumed that under certain circumstances a correct localization is possible only after a brief learning process on the characteristics of the sound source and the room where it sounds. A disturbance of this process can be the reason of the appearance of IKL.