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A Method for assessing auditory spatial analysis in reverberant multitalker environments
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Assessing spatial hearing using laboratory-based real-world environments
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Auditory masking of speech in reverberant multi-talker environments
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Modelling binaural detection of speech stimuli in complex reverberant environments
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Frequency dependent regularization of a mixed-order Ambisonics encoding system using psychoacoustically motivated metrics
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Factors influencing target detectability in realistic listening scenarios
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| 7 |
Mixed-order Ambisonics recording and playback for improving horizontal directionality
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Abstract:
Planar (2D) and periphonic (3D) higher-order Ambisonics (HOA) systems are widely used to reproduce spatial properties of acoustic scenarios. Mixed-order Ambisonics (MOA) systems combine the benefit of higher order 2D systems, i.e. a high spatial resolution over a larger usable frequency bandwidth, with a lower order 3D system to reproduce elevated sound sources. In order to record MOA signals, the location of the microphones on a hard sphere were optimized to provide a robust MOA encoding. A detailed analysis of the encoding and decoding process showed that MOA can improve both the spatial resolution in the horizontal plane and the usable frequency bandwidth for playback as well as recording. Hence the described MOA scheme provides a promising method for improving the performance of current 3D sound reproduction systems. ; 7 page(s)
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URL: http://hdl.handle.net/1959.14/190768
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Application of a circular 2D hard-sphere microphone array for higher-order ambisonics auralization
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