1、济南汽车音响http://www.sdcarmusic.com/分析对于人声，可将100Hz以下切除，以消除低频噪声，使音色更加纯净，500-800Hz作少量衰减，使音色不太生硬，在2KHz-4KHZ提升3~6dB，可使声音明亮，对6KHz以上适当衰减可大大增强声音的清晰度，防止不必要的气音和嘶音。对CD等数码音源，因其录制较好，可不加修饰。
Jinan car audio analysis of the human voice, can be cut below 100Hz to eliminate low-frequency noise, so sound more pure, 500-800Hz for a small amount of decay, so that sounds less blunt in 2KHz-4KHZ lift 3 ~ 6dB, make their voices for more than 6KHz appropriate attenuation can greatly enhance sound clarity, tone and prevent unnecessary air hiss sound. On CD and other digital audio source, its record is better, do not unadorned.

2、济南汽车音响介绍通常Disco厅、交谊舞厅、背景音乐厅等用单声道放音，OK厅、音乐厅，歌厅等用立体声放音。
Jinan car audio presentation usually Disco hall, ballroom dance halls, concert halls and other background playback, OK hall, concert halls, karaoke bars and other single-channel stereo playback.

3、济南汽车音响http://www.sdcarmusic.com/谈到用推子和PAN调节声源的空间声像，即空间位置，对于演唱声和主乐器声，将PAN调至中间，推子推大，以突出它们，如果声源为立体声，则不可任意摆放PAN和推子，否则演唱声与音乐声合不到一起，声音混乱，应左、右声道各用调音台一路，分别将PAN调到左、右边，两路推子在同一高度上。
Jinan Car Audio talked with faders and PAN adjust sound source spatial sound image, that is the spatial position, the main instrument for the vocal sound and the sound will be adjusted to the middle of PAN, fader large, to highlight them, and if the sound source is stereo, it can not arbitrarily placed PAN and sliders, or vocal sound and music together not together, the sound of the confusion that the left and right channels each with a mixer all the way, were transferred to the PAN left and right, two-way push the child at the same height.