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 will lose quality twice, once in the original MP3 encoding of the imported audio, then again when you export it from Audacity as MP3. So never do production work in MP3, instead work with a lossless format such as WAV, AIFF or FLAC and for final use then export to 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.