The compression accuracy of an AAC system depends on its loop gain and the use of an integrator in the system will improve its static characteristic.

本文研究它的静态和动态性能及设计方法，证明了系统的静态压缩精度完全取决于环路增益。如在环路中使用一个积分器，系统的静态性能将到到改善。

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Simple it may be, but the music player can deal with a handful of common formats including MP3, WMA, AAC and MP4 -- all can be set as your ringtone or system sounds within the player.

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