User:PeterSampson/Sand-Box

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Re-encoding to MP3 If you import an MP3 into Audacity, edit it then export it as an MP3, you are will lose quality twice, once in the original MP3 encoding of the imported audio, then again when you export it from Audacity as MP3. Therefore when you are exporting as MP3, work with the highest quality copy of the audio that you can - preferably a copy in a lossless format such as WAV, AIFF or FLAC. You can always obtain a lossless copy of an audio CD by ripping its audio to a WAV or AIFF file. Never extract the audio from a CD to MP3 if you want to export it from Audacity as an MP3. See this page in the Audacity Wiki for other applications that can be used to direcicly edit MP3 audio files, thereby avoiding lossy re-encoding.