To convert audio files in WAV format to MP3 format, there is no need to find a special format conversion tool. It is not that complicated. Your computer has a ready-made tool, this is the "recorder" in the Windows attachment. Using this tool, you can easily convert the WAV format to the MP3 format. The procedure is as follows:
Choose Start> program> attachment> Entertainment> recorder, open the recorder program, and click the File menu to open the wav file to be converted from the file, click "File> Save as", click "change" in the "Save as" dialog box, and select "MPEG layer-3" in the "format" box. Everything is OK.
During conversion, if you want to control the file size, for example, to make the file sound better or make the file smaller, you can select the "attribute" in the "sound selection" window ", select a lower or higher sampling frequency in this column. How can this problem be solved? Is it very convenient? Just give it a try.