Taking two-element equalizer as a link model, taking nonlinear least square method as optimum mode, selection problem of initial parameters in multiple node equalizer links is solved.

以二元件均衡器为链接模型，以非线性最小二乘法为最优化方式，解决了多节均衡器链接中初始参数值的选取问题。

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The PURE mode processes audio in the truest of forms while the VQ (V-MODA eQualizer) mode adds a slight spatial 3D soundstage, tightened bass and increased treble attack that invigorates an all-around sensory experience.

ENGADGET: V-Moda VAMP for the iPhone: an analog converter and headphone amp with a $650 pricetag