All In One Voice Changer is an Voice changing software developed by Athtek. It’s the third voice changer of AthTek Software. It is based on Skype Voice Changer and can not only support Skype for voice changing, but also other IM tools such as Yahoo Messenger and QQ International. It can also record and change the voice pitch with a microphone. The recordings will be saved as .wma format files.All In One Voice Changer will allows you to modify your voice and also with audio files in wave format.