I have this titanic task to do: I would like to run evaluation through all of my files and see, what is the real quality of them I know there is BITRATE tag field in Mp3tag available under information fields sub-menu, but this gives only the supposed quality. [There also is the CODEC tag field, but…

Perhaps you can run a test with WinMp3Packer and convert CBR files to VBR with a low VBR-setting in WinMP3Packer. The lower the effecting VBR is, the lower was the quality, I would guess.

[image] zerow: I have this titanic task to do: I would like to run evaluation through all of my files and see, what is the real quality of them ... recently I got acquainted with the function of spectrogram ... don't know how to export info about the real quality into a tag field ... So the ques…

[image] DetlevD: [...] Try out the SoX and SoXI command line utilities at ... http://sox.sourceforge.net Beside many other audio related functions SoX can create a spectrogram as a png file. For the first view there are PDF help files from the SoX package ... sox_14_4_2.pdf.rar (183 KB) DD.…

[image] zerow: [...] So for now I use my ears [...] And in something like 9 out 10 cases I am correct in my estimates; which means if I hear a bad quality then in the spectrogram I can see a proof of that. But that takes way too much time and totally disrupts my workflow It seems that some…

Detecting the real quality

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Zerow January 26, 2016, 8:09pm 5

It seems that sometimes the spectrogram shows something completely different from what I'm hearing with my own ears: /t/17591/1