A program That Records Audio From The Internet?

im looking for a program to record audio from the internet..ive tried many for some reason the ones i use when i use my line in the song is so low when all the volume on the mixers and everywhere are high..there was on that worked with what they called a virtual driver but the song had crackles in it..im looking for one that doesnt need to run off the line in thats my only source i know there has to be other ways