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As a result, existing 3D audio systems are incompatible with real-time broadcasting and home theatre applications, severely limiting the application and development of 3D audio systems. By investigating the mechanism of orientation parameters perceptual redundancy, this paper studied 3D spatial orientation cue perceptual characteristics, established an orientation cue perceptual model, developed a heterogeneous quantification table accordingly, and controlled the differences between each quantified value below the quantitative value perception threshold. Using this method, only the information perceptible to the human ear was quantified and perceptual distortions were minimized. The experimental results revealed that, compared to the SLQP method, the quantified bit of the proposed method was reduced by 8.66% in low resolution and 65.23% in high resolution. In addition, the accuracy of this method was higher than that of the SLQP method, enabling better alignment with human perceptual characteristics.<\/jats:p>","DOI":"10.3233\/ifs-151976","type":"journal-article","created":{"date-parts":[[2015,12,9]],"date-time":"2015-12-09T14:30:26Z","timestamp":1449671426000},"page":"2727-2736","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":1,"title":["Three-dimensional audio parametric encoding based on perceptual characteristics of spatial cue"],"prefix":"10.1177","volume":"29","author":[{"given":"Cong","family":"Zhang","sequence":"first","affiliation":[{"name":"School of Mathematics and Computer, Wuhan Polytechnic University, Wuhan, China"}]},{"given":"Heng","family":"Wang","sequence":"additional","affiliation":[{"name":"School of Mathematics and Computer, Wuhan Polytechnic University, Wuhan, China"}]}],"member":"179","published-online":{"date-parts":[[2015,11,21]]},"reference":[{"key":"e_1_3_1_2_2","doi-asserted-by":"publisher","DOI":"10.1121\/1.1909553"},{"key":"e_1_3_1_3_2","unstructured":"Cheng B2001Spatial squeezing techniques for low bit-rate multichannel audio codingUniversity of WollongongPh.D. Dissertation"},{"key":"e_1_3_1_4_2","first-page":"369","article-title":"A spatial squeezing approach to ambisonic audio compression","author":"Cheng B","year":"2008","unstructured":"Cheng B, Ritz C, Burnett I2008A spatial squeezing approach to ambisonic audio compressionIEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)369372Las Vegas","journal-title":"IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)"},{"key":"e_1_3_1_5_2","doi-asserted-by":"publisher","DOI":"10.1049\/el:20081199"},{"key":"e_1_3_1_6_2","doi-asserted-by":"publisher","DOI":"10.1109\/TSA.2003.818108"},{"key":"e_1_3_1_7_2","first-page":"269","article-title":"Spatial redundancy in higher order ambisonics and its use for low-delay lossless compression","author":"Hellerud E","year":"2009","unstructured":"Hellerud E, Solvang A, Svensson P2009Spatial redundancy in higher order ambisonics and its use for low-delay lossless compressionIEEE International Conference on Acoustics, Speech and Signal Processing(ICASSP)269272Taipei","journal-title":"IEEE International Conference on Acoustics, Speech and Signal Processing(ICASSP)"},{"key":"e_1_3_1_8_2","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2010.2052045"},{"key":"e_1_3_1_9_2","unstructured":"ISO\/IEC JTC1\/SC29\/WG11 (MPEG) Call for proposals on spatial audio coding Doc. 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