Perceptual sound field synthesis concept for music presentation
| Type of publication: | Inproceedings |
| Citation: | |
| Publication status: | Accepted |
| Booktitle: | Proceedings of Meetings on Acoustics (Acoustics '17 – Joint Meeting of the Acoustical Society of America and the European Acoustics Association) |
| Volume: | 30 |
| Number: | 1 |
| Year: | 2017 |
| Month: | April |
| Publisher: | Acoustical Society of America and European Acoustics Association |
| Location: | Boston, MA |
| Organization: | Acoustical Society of America and European Acoustics Association |
| Address: | Boston, MA |
| Crossref: | http://doi.org/10.1121/2.0000661 |
| URL: | http://asa.scitation.org/doi/p... |
| DOI: | 10.1121/2.0000661 |
| Abstract: | A perceptual sound field synthesis approach for music is presented. Its signal processing implements critical bands, the precedence effect and integration times of the auditory system by technical means, as well as the radiation characteristics of musical instruments. Furthermore, interaural coherence, masking and auditory scene analysis principles are considered. As a result, the conceptualized sound field synthesis system creates a natural, spatial sound impression for listeners in extended listening area, even with a low number of loudspeakers. A novel technique, the "precedence fade", as well as the interaural cues provided by the sound field synthesis approach, allow for a precise and robust localization. Simulations and a listening test provide a proof of concept. The method is particularly robust for signals with impulsive attacks and long quasi-stationary phases, as in the case of many instrumental sounds. It is compatible with many loudspeaker setups, such as 5.1 to 22.2, ambisonics systems and loudspeaker arrays for wave front synthesis. The perceptual sound field synthesis approach is an alternative to physically centered wave field synthesis concepts and conventional, perceptually motivated stereophonic sound and benefits from both paradigms. |
| Keywords: | applied psychoacoustics, perceptual sound field synthesis, Spatial Audio |
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