this post was submitted on 26 Dec 2025
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Spotify vs. Anna's Archive (reincantamentox.substack.com)
submitted 3 days ago by chobeat@lemmy.ml to c/technology@lemmy.world
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[โ€“] sefra1@lemmy.zip 3 points 2 days ago* (last edited 2 days ago)
  • For popularity>0, we got close to all tracks on the platform. The quality is the original OGG Vorbis at 160kbit/s. Metadata was added without reencoding the audio (and an archive of diff files is available to reconstruct the original files from Spotify, as well as a metadata file with original hashes and checksums).
  • For popularity=0, we got files representing about half the number of listens (either original or a copy with the same ISRC). The audio is reencoded to [OGG Opus](https://en.wikipedia.org/wiki/Opus_/(audio_format) at 75kbit/s โ€” sounding the same to most people, but noticeable to an expert.

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