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Any gems or methods for reading and writing meta tags of mp3 files?

spacerobotTR asked in General

If I wanted to have a site similar to bandcamp where I could upload MP3 tracks are there any gems or recommended ways to check the audio quality, and read/write meta tags to the files?

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Indeed it is. As an update i ended up getting this all working with taglib ruby.

There are some free tools for that

mini_exiftool and exif gems for meta tags. I found exif less complete but faster. The gems use ExifTool (

If you’ve ever downloaded an mp3, you’ll know that different sources often have conflicting pieces of information within each file, such as author, song name, artist name, musical genre, sound category, etc. Editing this information makes it more clear what is in the individual file. It also makes it easier to sort within a storage system.

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