In addition, the loss of quality is not of the same type, it does not have the same texture. The result has been that, in all three resolutions, the file recoded with LAME 3.98.2 loses less quality, after being imported and exported five times. I say this because later I have carried out another test that seems more objective to me: recoding the audio five consecutive times using the two versions of LAME at 96, 128 and 160kbps. I have carried out the test that you suggest at 160kbps with LAME 3.100 and, as expected, the quality improves, although technically it does not exceed the result at 128kbps using LAME 3.98.2. Therefore, I should have titled the message “LAME version 3.98.2 encodes better than the current one (3.100)”. The version of LAME that I have on my old computer is not 3.99.5 but an earlier version, 3.98.2. It’s a shame.įirst of all, I have to rectify a mistake. Therefore, to export music in mp3 format at 128kbps I will have to install an old version of Audacity on the new computer, hoping it will work. The problem is that Audacity 3.0.3 embeds LAME 3.100 into the program and doesn’t allow you to use LAME 3.99.5. To my knowledge, the test result confirms that the latest version of LAME encodes worse at 128kbps compared to the previous one. The result is that in both cases there is an obvious deterioration in audio quality, but the loss is much more serious using LAME 3.100. To make sure it wasn’t a kink of mine, I’ve tried importing and exporting the same music file five times in succession with both versions of LAME, using both the old and the new computer. However, when exporting music in mp3 format at 128kbps I was very disappointed, because with the new version of LAME I clearly hear the loss of quality. Now that I have a new computer I have updated Audacity to the latest version (3.1.3), which incorporates the latest version of LAME (3.100).
Being a compressed format, I assume there is a loss of quality, but for me it was imperceptible to the ear. For years I used old versions of Audacity that worked with LAME 3.99.5 and exported music files in mp3 format at 128kbps resolution.
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