Software by Auto Volume Control Software:

Auto Volume Control v1.0Solves the volume control problems for TVs, radio stations, CDs and Public Address systems .Now use your PC as a volume control device which stays between the audio input source (microphone) the audio output source (speaker) all this software requires is a sound card#160;with a line-in and line-out.No more be startled by obnoxiously loud commercialsKeeps volume levels steady, so you won't be bothered byannoying volume d