How to reduce noise while recording sound in java?

Hi guys i am developing an online audio recorder, i nee开发者_如何学God to reduce the noise while recording the sound.How to achieve this? My current audio format is

AudioFormat(8000.0F,16,1,true,false);

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You'll need to implement some digital signal filters on your data. Depending on the kind of noise you're targeting, simple band pass filters might work, or you could go the whole hog and implement something like Dolby A/B