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  1. #1
    Junior Member
    Join Date
    Jan 2022
    Posts
    8

    Documentation of LMS tagging / indexing rules ?

    Is there some place I can find full documentation/explanation of how LMS interprets and indexes tags on various audio file formats, especially FLAC and MP3 ?

    My library is ~15k songs of which 85-90% are Flacs I ripped myself from CDs. This was years ago she I ran Sonos gear house-wide, the early stuff both amp-less to DAC and hi-fi, or w/onboard amp to added own loudspeakers. First year or so of this era I spent countless evenings cleaning up tags so that everything was browseable the way I wanted through the Sonos controller.

    Gradually all this Sonos hardware broke down, and I am now attempting to run this same music collect on an LMS-piCorePlayer system, with some additional Airplay players. To manage media browsing and play I have been using SqueezePad and sometimes the LMS own web GUI.

    Problem is that the home tagging scheme I developed which worked so well on Sonos doesn't index and show up in the same way on the various LMS interfaces.

    My Sonos-targeted tagging hierarchy was Genre/AlbumArtist/Album/Title. I defined my own very short list of Genres, and got AlbumArtist name/spelling variants all pretty normalized. also, I embedded (track) Artist into the song title for compilation albums, and set Sonos to index on AlbumArtist (non-compilation albums I set AlbumArtist = Artist). On Classical, I did extensive customization, defining AlbumArtist variously as composer, conductor or performer and often redefining "album" to group things according to the way I wanted to peruse and listen.

    Anyway, much of this seems to not translate into LMS.

    Before I dig into the process of modifying the tags so they work under LMS more like how I want, I would love to have a much clearer picture of LMS's tagging and indexing rules, especially for FLAC.

    Grateful if someone could point me to a source for this.

  2. #2
    Senior Member
    Join Date
    Jan 2010
    Location
    Hertfordshire
    Posts
    9,626
    Quote Originally Posted by my1704 View Post
    Is there some place I can find full documentation/explanation of how LMS interprets and indexes tags on various audio file formats, especially FLAC and MP3 ?

    My library is ~15k songs of which 85-90% are Flacs I ripped myself from CDs. This was years ago she I ran Sonos gear house-wide, the early stuff both amp-less to DAC and hi-fi, or w/onboard amp to added own loudspeakers. First year or so of this era I spent countless evenings cleaning up tags so that everything was browseable the way I wanted through the Sonos controller.

    Gradually all this Sonos hardware broke down, and I am now attempting to run this same music collect on an LMS-piCorePlayer system, with some additional Airplay players. To manage media browsing and play I have been using SqueezePad and sometimes the LMS own web GUI.

    Problem is that the home tagging scheme I developed which worked so well on Sonos doesn't index and show up in the same way on the various LMS interfaces.

    My Sonos-targeted tagging hierarchy was Genre/AlbumArtist/Album/Title. I defined my own very short list of Genres, and got AlbumArtist name/spelling variants all pretty normalized. also, I embedded (track) Artist into the song title for compilation albums, and set Sonos to index on AlbumArtist (non-compilation albums I set AlbumArtist = Artist). On Classical, I did extensive customization, defining AlbumArtist variously as composer, conductor or performer and often redefining "album" to group things according to the way I wanted to peruse and listen.

    Anyway, much of this seems to not translate into LMS.

    Before I dig into the process of modifying the tags so they work under LMS more like how I want, I would love to have a much clearer picture of LMS's tagging and indexing rules, especially for FLAC.

    Grateful if someone could point me to a source for this.
    Can you show a screenshot of your tags for a track? You don't mention Track Number in your post.

    Sent from my Pixel 3a using Tapatalk

  3. #3
    Senior Member
    Join Date
    Apr 2005
    Location
    UK/London
    Posts
    6,262
    This might help with the tags that are extracted from Flac
    https://github.com/Logitech/slimserv...ts/FLAC.pm#L41
    However, that might be the list of the ones that need mapping rather than the full set ...
    Paul Webster
    Author of "Now Playing" plugins covering Radio France (FIP etc), PlanetRadio (Bauer - Kiss, Absolute, Scala, JazzFM etc), KCRW, ABC Australia and CBC/Radio-Canada
    and, via the extra "Radio Now Playing" plugin lots more - see https://forums.slimdevices.com/showt...Playing-plugin

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