How to convert copy-protected WMA to WAV

You need DRM removal application to do this.
about WMA: WMA is an audio file compressed with Windows Media compression; proprietary format developed by Microsoft. It is similar to the .MP3 format. WMA files can be converted to other more standardized formats, It is often used for playing music from the Web.

Microsoft’s Zune portable music player and the Disney Mix Stick MP3 Player can play WMA files; But WMA does not compatible with iPod, the WMA files can not be played on an iPod.

The WMA files apply a Digital Rights Managment (DRM) to restrict the copy of the WMA content.

About WAV:
It is a standard digital audio file format for storing waveform data; allows audio recordings to be saved with different sampling rates and bitrates; often used to save CD-quality audio.

WAV (WAVE) files are similar to files, but they use a more complex format and are more common on Windows-based systems.

SoundTaxi is such a application that can convert copy-protected WMA to WAV. In this page, I’ll show you how to convert copy-protected WMA to WAV with SoundTaxi.

Step 1: SoundTaxi is shareware, you can download a trial version from this application’s official website http://www.soundtaxi.us/.

Step 2: Install SoundTaxi and Run it.
SoundTaxi is no more than 7 MB, and it is very easy to install, the whole installation process takes no more than 1 minute. To run SoundTaxi, you can from desktop icon or from the START menu.

Step 3: Select the output files formats.
In this step, you can set the WAV as the output files format after launch SoundTaxi.

Step 4: Input protected WMA music file and convert it
SoundTaxi support drag-and-drop to the application, this is much easy, I think. Or you can input the protected WMA music from the menu. After you input the file. SoundTaxi will automatically convert WMA to WAV at high speed.