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Subjective Evaluation of 2-Channel Vs Surround Formats in Vehicles

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A study was done to subjectively compare and rank the sound field characteristics of a vehicle equipped with a "high end" home surround sound processor and to assess compatibility of several discrete and matrix decoding modes in combination with both discrete and down mixed source materials. A vehicle was fitted with a 3/4-loudspeaker arrangement (7.1) and evaluated with optimized amplitude balance, using all loudspeakers, for all encoding and decoding modes. Comparisons were also done in a 3/ 4 listening room for reference. The study design details and analysis results are reported.

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