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These two values are received when I upload a song for analyzing, how are the two values calculated ?

Thanks

• 'md5' is the standard file md5.
• 'audio_md5' is the md5 of the decoded audio waveform.

So does this mean that just like standard md5, even a slight change in the audio content will change the audio_md5 value ?

Correct that one is dependent on platform and decoder. To recognize non-strictly-identical waveforms, you can use echoprint, our open-source fingerprinter. Another md5 we're looking to provide is of the encoded-audio bytes stored in the mp3 file. That one would be independent of decoder, platform, and changes in the mp3-file metadata.