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Multidimensional Relationship between Subjective Listening Impression and Objective Loudspeaker Parameters

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The research reported here is based on listening tests and objective measurements of loudspeakers. The uncertainty of the subjective data and the dimensions of the listening impression were investigated by statistical analysis. By measuring relevant physical properties of the signal at the listening place and by modeling essential aspects of psychoacoustical processings, objective measures were determined which allow the results of subjective tests to be explained. These measures are the basis for an objective quality assessment of loudspeakers which refers to the sensations of the listener and considers the influence of the listening conditions

Zusammenfassung

Die hier vorgestellte Untersuchung stützt sich auf subjective Abhörversuche und objektive Messungen an Lautsprechern. Die Zuverlässigkeit der subjektiven Testergebnisse und die Dimensionalität des Höreindruckes wurden in statistischen Analysen untersucht. Durch Messung relevanter physikalischer Eigenschaften des Signals am Abhörort und durch eine Modellierung wesentlicher psychoakustischer Verarbeitungsvorgänge wurden objective Maße ermittelt, die die subjektiven Testergebnisse erklären. Diese Maße sind die Grundlage für eine objective Qualitätseinschätzung von Lautsprecherboxen, die sich auf die Empfmdungen des Hörers bezieht und den Einfluß der Abhörbedingungen berücksichtigt.

Sommaire

On présente une étude comparative de tests d'écoute subjective et de mesures objectives concernant des haut-parleurs. Les incertitudes concernant les données subjectives et la dimensionnalité des impressions d'écoute ont été traitées par les moyens de l'analyse statistique. En mesurant les propriétés physiques les plus significatives du signal sonore aux endroits d'écoute et en modélisant les aspects essentiels du traitement psycho-acoustique des signaux, on est parvenu à déterminer les mesures objectives qui permettent d'expliquer les résultats des tests subjectifs. Ces mesures constituent la base d'une qualification objective des haut-parleurs qui se rattache aux sensations des auditeurs et prend en considération l'influence des conditions d'écoute.
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Document Type: Research Article

Publication date: January 1, 1990

More about this publication?
  • Acta Acustica united with Acustica, published together with the European Acoustics Association (EAA), is an international, peer-reviewed journal on acoustics. It publishes original articles on all subjects in the field of acoustics, such as general linear acoustics, nonlinear acoustics, macrosonics, flow acoustics, atmospheric sound, underwater sound, ultrasonics, physical acoustics, structural acoustics, noise control, active control, environmental noise, building acoustics, room acoustics, acoustic materials, acoustic signal processing, computational and numerical acoustics, hearing, audiology and psychoacoustics, speech, musical acoustics, electroacoustics, auditory quality of systems. It reports on original scientific research in acoustics and on engineering applications. The journal considers scientific papers, technical and applied papers, book reviews, short communications, doctoral thesis abstracts, etc. In irregular intervals also special issues and review articles are published.
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