Bigear monitors the possession of the sound card of other running softwares,it records audio streames automatically.it is firstly designed for VOIP recording,also if you're listening to a song on a website or using softwares like RealPlayer,the playing song will be recorded.
Different from other softwares in the market,Bigear scratch audio stream from system memory,it doesn't use sound card devices.so it'll not conflict with other softwares in sound card using. further more,the distortion of the recording is zero due to the same reason.
Bigear can also play a .wav file from the beginning of the recording when a VOIP call starts,this file can be a sentence notifying the remote side of a VOIP call that "call will be recorded",it can also be a song or music acting as background music for both sides.
(Important note: this function will be available in the next version)