Some record companies have been embeedding their media with a digital watermark. Such watermarks ideally should be inaudible, however this does not often seem to be the case, and such watermarks indeed produce audible artifacts during playback. See http://www.mattmontag.com/music/universals-audible-watermark . The artifacts created by watermarking are typically in the high-mid spectrum, where they create a annoying and grating audio texture. Its almost not even a sound, rather a sensation created by a certain pattern of frequencies. But its a sonic sensation that, when heard, we know should not be in the music. It is certainly not the intent of the artists that such artifacts be in their music.
My suggestion is to add an "audio quality rating" parameter for each track. Users typically will set their audio quality as high as they can, but perhaps only those who use "extreme quality" (Vorbis q9) audio should participate. This rating system would give record companies a quantitiative review of their watermarking systems, and should motivate them to improve their watermarking technologies. We pay Spotify for a premium service, and often watermarks degrade the quality of that service. Spotify should be on the side of the end-user, to distribute music files which are of good quality. Watermarking should be transparent.
Your idea has been submitted over 1 year ago but unfortunately hasn't gathered enough kudos. In order to keep an overview of the active ideas in this forum, we will close this idea for now. However this does not mean that your idea has been declined by Spotify.
If you still feel strongly about your request, we encourage you to post your idea in a little different form again!
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