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More => Old Versions => Media Center 11 (Development Ended) => Topic started by: negopus on June 16, 2006, 03:27:29 pm

Title: Missing technical fields in files analyzed by older MC releases
Post by: negopus on June 16, 2006, 03:27:29 pm
Audio files that were analyzed in older releases of MC do not show certain fields: Sample Rate, Compression (encoding type), Bits, Channels. These fields are not populated even after re-analyzing files.
Title: Re: Missing technical fields in files analyzed by older MC releases
Post by: Alex B on June 16, 2006, 03:37:39 pm
Analyzer does not import those values if they are missing for some reason. Update the library from tags. This does not work with all file formats, but at least MP3, WMA, APE and MPC should work.

For some reason Ogg Vorbis does not show the compression info (... anymore? I think this is actually a bug that has appeared recently).
Title: Re: Missing technical fields in files analyzed by older MC releases
Post by: negopus on June 16, 2006, 03:42:45 pm
So, how do I let those field be filled with the correct value?
Title: Re: Missing technical fields in files analyzed by older MC releases
Post by: Alex B on June 16, 2006, 03:48:07 pm
Select the files > right-click > Library Tools > Update Library (from tags)

Try a few files first. You could also make a library backup before starting. (File > Library > Backup Library)
Title: Re: Missing technical fields in files analyzed by older MC releases
Post by: negopus on June 16, 2006, 04:19:38 pm
Seems to work. This is a bug in Analyze Audio, however.
Title: Re: Missing technical fields in files analyzed by older MC releases
Post by: Doof on June 16, 2006, 04:36:44 pm
Analyze Audio isn't supposed to do that. It only analyzes it for Replay Gain, BPM, Peak Level, and Intensity. Basically all the stuff that has to be determined by actually... analyzing the actual audio data, rather than just looking at the file headers.
Title: Re: Missing technical fields in files analyzed by older MC releases
Post by: negopus on June 17, 2006, 11:28:55 am
So there was some misunderstanding on my side. I thought all “technical” tags were the same, as I display all of them together. There are two types of “technical” tags, instead.
1) Tags derived from Analyze Audio, computed by MC (they are “subjective”, that is they depend on the analysis algorithm)
2) Tags extracted from the audio file header (they are “objective”)

There should be an option in Analyze Audio, however, to update the second type  of tags (“objective”) too, by reading them (and only them) from the audio file after analyzing it.