HydrogenAudio

Hydrogenaudio Forum => Scientific Discussion => Topic started by: Alexander Ostuni on 2019-12-08 15:17:35

Title: different behavior of Amazon MP3 compared to self encoded
Post by: Alexander Ostuni on 2019-12-08 15:17:35
I am experiencing a very strange behaviour that I don't understand, maybe someone  can explain this to me.

I have MP3s that I bought from Amazon and many files I encoded myself with Foobar and lame.
When I add folders full of MP3s via explorer to Foobar via drag and drop, the processing of the Amazon files last at least 10 times(!) longer than my own encoded files. The same goes for checking the files with MP3val and also when I back up my collection to another (internal) HD the copy proces slows down extremely when folders with Amazon MP3s are copied. The files are NOT bigger than my self converted.
What could cause this ?
Title: Re: different behavior of Amazon MP3 compared to self encoded
Post by: itisljar on 2019-12-08 18:28:55
They may have wrong type of tags, and that is causing longer loading time.
Title: Re: different behavior of Amazon MP3 compared to self encoded
Post by: Alexander Ostuni on 2019-12-08 19:29:33
Thanks. Can I check this somehow ? And would that have affect on simply copying the files from one HD to another ?
Title: Re: different behavior of Amazon MP3 compared to self encoded
Post by: Alexander Ostuni on 2019-12-08 19:49:00
OK, when I disable the realtime virus scan those Amazon files get processed with the same speed as my other files....

So I have found the reason, but I don't understand it....
Title: Re: different behavior of Amazon MP3 compared to self encoded
Post by: lvqcl on 2019-12-08 20:43:17
Select a file from Amazon in explorer, right click - Properties. Does it have "Unlock" button?
Title: Re: different behavior of Amazon MP3 compared to self encoded
Post by: Alexander Ostuni on 2019-12-09 13:32:33
Somewhere here ?

Title: Re: different behavior of Amazon MP3 compared to self encoded
Post by: john33 on 2019-12-09 15:42:40
Install Mp3tag (freeware) and load the files. It will tell you what style of tags are present and show the content.
Title: Re: different behavior of Amazon MP3 compared to self encoded
Post by: lvqcl on 2019-12-09 16:11:51
Somewhere here ?

Yes. There's no such button, so antivirus shouldn't treat them as "untrusted", as I suspected. So, the reason is something else.
Title: Re: different behavior of Amazon MP3 compared to self encoded
Post by: Alexander Ostuni on 2019-12-09 16:33:02
I retag everything in Foobar2000. All my files have the same tags.
But its OK, Now I know what the reason is and I can disable the virusprotection temporarily when I do my backups.
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