Convert Protected DRM music to unprotected WAV, MP3, WMA with Virtual CD
Baisc Audio Converting Concepts and Methods
When you buy music from an online store, the copy-protection scheme may not allow you to play it on your portable player or to manage your music library with that player.
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Method #1. The most commonly offered suggestion for unlocking these music files is to burn a copy to an audio CD and then reimport it. If your machine can handle rewritable discs, the process isn't even wasteful. Just follow the directions in your media player or online store software to burn tracks to a CD. The process is digital throughout, so you don't have to worry about recording levels or codecs. Once the file is in CD format, you can then reimport it into any other format.
For example, if you buy music from Napster, it's delivered to you in protected WMA format. If you want to play it on your iPod, you have no choice but to burn it to CD and import it as an MP3 file that your iPod can handle. Likewise, iTunes delivers its music in a locked MP4 format that's keyed to your software.
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How about the converted music quality? If this is music for on-the-go applications, such as jogging, commuting, or even listening in the car, the loss of fidelity is largely irrelevant.
There's nothing illegal about making a CD copy of the music you buy from online sites. The software supports it, and even makes it easy for you to create mix discs that combine purchased music and the songs you've ripped from your own CDs. You might think you can go through your portable player, but the songs you download from the online music services maintain their protected formats when you transfer them to the player. You can upload the files from the player to another machine, but they won't play.
Method #2. Another way to convert protected music to unprotected formats is to use a recording software and your sound card. Normally, we nee to use analog recording software and a loopback cable. Sound-card fidelity is sufficient to make a decent copy this way, despite the digital-to-analog and analog-to-digital conversions, but pitfalls are everywhere. If you run the output volume too high or too low, you'll get distortion. If you run too high a level into your input jack, you'll get distortion. If you run at too low a level, you'll have a poor signal-to-noise ratio.
Free or low-cost analog recording software is available. But it's best to avoid this process because it¡¯s inconvenient.