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1、濟(jì)南汽車音響http://www.szanyuda.com/分析對于人聲，可將100Hz以下切除，以消除低頻噪聲，使音色更加純凈，500-800Hz作少量衰減，使音色不太生硬，在2KHz-4KHZ提升3~6dB，可使聲音明亮，對6KHz以上適當(dāng)衰減可大大增強(qiáng)聲音的清晰度，防止不必要的氣音和嘶音。對CD等數(shù)碼音源，因其錄制較好，可不加修飾。
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、濟(jì)南汽車音響介紹通常Disco廳、交誼舞廳、背景音樂廳等用單聲道放音，OK廳、音樂廳，歌廳等用立體聲放音。
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、濟(jì)南汽車音響http://www.szanyuda.com/談到用推子和PAN調(diào)節(jié)聲源的空間聲像，即空間位置，對于演唱聲和主樂器聲，將PAN調(diào)至中間，推子推大，以突出它們，如果聲源為立體聲，則不可任意擺放PAN和推子，否則演唱聲與音樂聲合不到一起，聲音混亂，應(yīng)左、右聲道各用調(diào)音臺一路，分別將PAN調(diào)到左、右邊，兩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.