If you're looking for a simple solution to create a music collection using audio streams extracted from videos like downloaded YouTube clips, you can try Convert Audio to Audio. Wrapped in an intuitive interface, the tool features basic options for helping you obtain the audio stream of video files in order to produce sound tracks with the MP3 or WAV format.

Following a quick and easy setup operation, you come face to face with the main app window that gives you the possibility to add as many video files as you want to the list, thanks to the fact that batch processing is supported.

As far as video files are concerned, Convert Audio to Audio can read MP4, MKV, AVI, MPEG, MPEG, MOV, WMV and FLV files. Once you add them to the list, all you have to do is indicate the preferred audio file type (between MP3 and WAV), as well as choose an output directory for saving the new files to.

The conversion begins as soon as you click the "Convert" button. When all files have been processed, the software utility sets their status to "OK" in the main window. At this point, you can open the destination folder to inspect results when it comes to audio quality.

The program carried out audio extraction swiftly in our tests. We haven't come across with any of the supported file types, and it's not necessary to install additional software in order for the conversion of a particular video to be successful (like QuickTime for MOV).

On the other hand, it doesn't come packed with any configuration settings for the output files. For example, it's not possible to edit audio parameters when it comes to the sample rate, bit rate and channel mode. Nevertheless, the overall straightforwardness of Convert Audio to Audio should delight users interested in a fast and easy audio extraction tool.