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Capturing Height: The Addition of Z Microphones to Stereo and Surround Microphone Arrays

As surround systems with height channels become more commonplace, new microphone techniques to capture sound in 3D are needed. In order for the height channels to be effective, they must contain sonic information that is compatible with the 5.1 surround channels in order to improve the listener’s sense of three-dimensional sound imaging, space, and immersion. Complex height information can be captured by pairing horizontally oriented microphones with vertically oriented bi-directional microphones. In this paper the author presents a rationale, methodology and preliminary evaluation of a microphone technique based on this concept

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