The more or less simple answer.
First, let me say that I am not sure of what type of audio file compression is
used by YouTube. Regardless, whether it is MP3 or something else, there are no
files to be downloaded: it is a streaming service.
There are several websites that
generally in exchange for installing some type of adware or variant browser
search engine in your browser, have the ability to capture the stream from
YouTube or AFAIK any streaming audio and then convert it to an MP3 file, which
you can download. As I said before, even it they provided downloading WAV files,
the actual audio quality could not be improved over that of the original
compressed file used for the streaming that they have captured..
These generally work by having
you paste the URL of site streaming the audio into a little applet on your
They are not difficult to use,
but I personally found it bothersome to have the program interfere with my lean
And, I already get plenty of ads
through my web email accounts ... thank you very much!