推荐回答(2个)
从BOSS NS-2开始谈降噪吧,BOSS NS-2是国内最常见的品质最好的降噪效果器了。虽然有些朋友不同意,但是我也是个热衷设备的人,个人认为这个价格和质量已经难有它物可以取代了。不过,由于机器不是人,它不能分辩哪些是噪音、哪些不是,它吃点一点音尾是很正常的,但是只要你不把它调至极端的状态,它就完全没有影响到attack或者延音和动态。我的效果器链上一直都存在的最重要效果器之一就是这个NS-2,因为它可以确保我的声音一直干净利落,没有多余的杂音。它的连接方法有几种,你可以把所有的失真源全部放在loop里,只减掉失真源的噪音,也可以直接连在在音箱的前级与后级之间。但是为了方便,我不喜欢使用它复杂的loop的方式来连接,而是把它放在一个过载单块与音箱的前级输入之间。
但是我今天要说的不是介绍NS-2的说明书,而是借用NS-2谈谈控制噪音的经验。
首先,很大部分噪音来自设备,一定要用合格的电源和音频线,否则什么降噪也没有用,还要保证接地良好。或者你只能通过把NS-2开到最大,以缺乏延音和动态来换取干净。我虽然一直连着NS-2,但是仍然使用很好的Monster音频线,和BOSS的原装电源,在club演出时,我用OD-3或者DS-1去boost Marshall JCM2000的失真通道,感觉噪音还是在可接受范围,甚至无需打开NS2。一般在有乐队伴奏的时候,有点噪音不会明显,属于很合理的范围,但是在你的solo慢慢淡出时,尤其是乐队整体音量fade out时,噪音开始出来了,在这个情况下,解决方法可以是:1、在弹完自己虽然比较多失真的乐句后,马上用脚把做boost的overdribe关上,同时用手慢慢关小吉他的音量旋钮。2、用Volume pedal取代,用脚控制它来fade out,或者弹完自己的部分时马上用它直接关闭吉他音量。但是,如果伴奏很轻柔,随要很安静地弹奏一段已经boost的失真的话,一个NS-2是不能少的了。特别是如果你要很high gain的话,NS-2就帮你很大忙了。其实Yngwie Malmsteen都有使用BOSS NS2,前一段时间他还在国外一知名吉他杂志上拍了视频亲自演示如何把BOSS NS-2连接在DOD YJM308和一只小Marshall AVT20音箱之间来确保干净,他说:“It save my life!”
现在市场上各种品牌的降噪也多了,喜欢机架式的还可以选择Rocktron Hush。Zakk Slash都是Rocktron Hush的使用者。Roctron也推出了Hush的单块版本。
不过,最后得提醒的有2点:
1、NS-2并不能消除由于手指基本功不够好,导致不小心弹出的或者左右手消音不干净的多余音,这些人为噪音还得通过练习人为解决。
2、合理使用设备,如果你用老式单线圈或者P-90,而又把做boost的drive开得很大去追求“狠”的,什么降噪效果器都救不了,就要喝广东凉茶来降燥了(说笑)。
本人学识浅薄,欢迎补充。最后祝你琴技飞升!
麻烦把分给我。。。谢谢,我需要这分。
Noise gate(降噪效果器) 具有把一定水平以下的信号切断的功能的效果器。也就是说:弹奏的音开始减弱、弱到一定音量以下时开始发挥作用,使不必要发出的音不发出来。降到哪个位置的音量时可以切断。
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