Wenyu Jin's research while affiliated with Victoria University of Wellington and other places
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Publications (3)
Multizone soundfield reproduction over an extended spatial region is a challenging problem in acoustic signal processing. We introduce a method of reproducing a multizone soundfield within a desired region in reverberant environments. It is based on the identification of the acoustic transfer function (ATF) from the loudspeaker over the desired rep...
We introduce a method of reproducing a multizone soundfield within the desired region in a reverberant room. It is based on determining the acoustic transfer function (ATF) between the loudspeaker over the reproduction region using a limited number of microphones. We assume that the soundfield is sparse in the Helmholtz solution domain and find the...
We introduce a method for 2-D spatial multizone soundfield reproduction based on describing the desired multizone soundfield as an orthogonal expansion of basis functions over the desired reproduction region. This approach finds the solution to the Helmholtz equation that is closest to the desired soundfield in a weighted least squares sense. The b...
Citations
... To improve the reconstruction it is common practice to use any available knowledge of the problem, or to incorporate an acoustic physical structure in the reconstruction models. Some examples are elementary wave decomposition [11], modal decomposition [12], spatio-temporal sparsity [13] or the general time structure of the RIR [14,15,16]. More recently, other methods such as deep learning models [17], generative adversarial networks [18] or local representation via dictionary learning [19] have also been applied to sound field reconstruction. ...
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... Multizone sound field control [11]- [15], which is one particular problem in sound field control, aims at generating different sound fields inside multiple target regions for personal audio applications [16], [17]. For example, plane-wave fields with different propagation angles are synthesized inside two regions. ...
... A well-known technique named multi-zone reproduction has been studied over the years [99][100][101][102][103][104]. The original idea of multi-zone reproduction is to present multiple individual sound fields at the target areas. ...
