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Comparison of Stereo Microphone Configuration and Playback Modes of Optimal Source Distribution Technique

Using an Optimal Source Distribution (OSD) implementation which is a crosstalk cancellation method for synthesizing virtual auditory space using horizontally placed loudspeakers, comparison of stereo microphone configurations and the influence of playback modes of OSD were investigated. A musical material was recorded in a studio using three AB-stereo pairs and a dummyhead. Three AB pairs were then processed with stereo loudspeaker playback simulating filter, resulting in seven stimuli. Attributes elicitation, dissimilarity rating, and attribute ratings were conducted and their results were analyzed. Participants to the listening test responded to microphone configuration differences in a similar manner with and without loudspeaker filter applied, while the two playback modes differentiated.

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