The audio quality of portable wireless speakers for consumer use has improved in recent years. In this study perceptual evaluations of several portable loudspeaker systems were performed using virtual listening test methods. A preference test was designed to assess the comparative performance of these loudspeakers. The recordings of each loudspeaker were done in a controlled situation and then the listening panel took the listening test by headphone playbacks. Considering the wide use of bass-boost effect in these products, perceptual qualities of both high playback level and low level were investigated. Several objective measures were also applied to these loudspeakers. The results of the listening test and objective measures were compared and discussed.
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