If you are looking for a free solution to get rid of unwanted background noise while talking with your PC microphone this post is for you, SoliCall the developers of unique patent-pending personalized noise reduction technology offers free software for personal use allowing users to reduce unwanted background noises during IM and VOIP calls, SoliCall’s advance algorithm works by identifying the speaker’s voice and extracting it from the audio signal delivering better quality clean audio as output.