TAudioConverter is a multithreaded audio converter and extractor. It can convert almost any audio format to aac, ac3, mp3, flac, wav, ogg, opus, mpc, ape, tta, tak, wma, alac, wavpack. It can also extract audio streams from video files and encode them. Video files with more than one audio stream is supported. It is possible to run up to 8 simultaneous processes to shorten encoding time.