Finally, we compared the performance among the proposed method, LE method, and EHBE method.
The objective tests show that the audio quality with the proposed method is a little bit better than the LE method and EHBE method.
In addition, the proposed method, LE method, and EHBE method were employed to extend the bandwidth of the audio signals decoded by the ITU-T G.722.1 WB codec.
The bandwidth extension performance of the proposed method is higher than that of the typical LE method and is comparable to that of the conventional EHBE method.
This paper combines the LE method and MLE method to reduce dimension of data and the intrinsic structure in high-dimension data space can be found, and the dimension of feature parameter can be reduced.
In addition, we can also find that the LSD of the PSR method is lower than EHBE and LE methods for complicated audio signals and singing audio signals.
The audio quality for G.722.1 codec, G.722.1C codec, LE method, EHBE method, and the proposed PSR method was evaluated for subjective listening test with a 100-point scale (100~80, excellent; 80~60, good; 60~40, fair; 40~20, poor; 20~0, bad).
The method is based on Lagrangian Eulerian (LE) methods; therefore, it does not deal with edge fluxes and corner fluxes, flux corrections, as is typical in advection algorithms.
The objective and subjective evaluations show that the proposed method achieves a better performance than linear extrapolation (LE) method [8] and is comparable to the EHBE method [10].
The maximum tensile loads of all reinforcement layers at the wall failure predicted using FE analysis and LE method assuming uniform distribution of reinforced tensile loads were comparable.
