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Encode Normalized MP3s
Launch MusicMatch Jukebox, insert CD.
Go to the Options menu, then to Settings. Next, click the Recorder tab, and then the Advanced button (located near the upper right). In the Normalization box, select 98 percent, or some other number close to 100. Selecting a percentage higher than 100 will most likely result in quality loss due to ugly-sounding digital distortion.
In the same Recorder tab mentioned in Step Two, choose 128 kbps in the box on the upper left (unless you prefer another setting). Then click the Song Directories button, and select the location where you want the normalized MP3 to go.
Note: If you're new to encoding, check out the tips found in our tutorial on turning CDs into MP3 files.
Make sure the other preferences are right, check off the songs you want to encode in the bottom recording panel, and let 'er rip by pressing the Record button. The normalized MP3 will show up in the folder you selected in Step Three.
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Normalize Existing MP3s
Run your MMWave 2K software.
You need to convert the MP3s into WAV files before you can normalize them. Navigate to one or more MP3 files or playlists (M3U files), and double-click whatever songs you're going to normalize. A list will form in the right panel. We recommend converting as many files as possible simultaneously, since it's faster than doing each song separately.
Set up your preferences by clicking the icon with gears on it (second from right). Choose the Output directory--we suggest using a new folder on the desktop, so that nothing gets lost. Click the Decoder tab, and choose a low percentage (40 or so) if you're going to run other applications. Choose a higher percentage (up to 80) if you aren't going to run anything else while decoding. We recommend the latter, unless you have less than 32MB of RAM. Then click the OK tab.
Click the Wave Normalizing Wizard icon. Under Options, select Set Normalizing Level, and choose 98 percent. Point to the WAV files you just created in Step Three, using the Add File(s) button. Click Normalize. The normalized WAV files will be written over the old ones, which is good because these files take up lots of space.
Launch MusicMatch Jukebox. Click Options, then File, and select Convert. At the bottom of the window, select WAV in the Source Data Type field and MP3 CBR as the Destination Data Type. Choose 128 kbps, or whatever bit rate you prefer. Choose your Source (where the WAVs are currently) and Destination (where the MP3s should go) Directory in the top two boxes. Highlight the normalized WAVs you wish to convert back to MP3, and press Start.
Relax, and don't use your computer for anything else. When your system is done converting all of your files, delete the WAVs; they take up tons of disk space. Your normalized MP3s will be in the folder you selected as the Destination Directory.