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layed out concepts for container

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Lars Noack 2023-01-09 13:33:19 +01:00
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notes.md
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@ -98,7 +98,7 @@ The audio codec is simply software/hardware, to convert audio from an [audio cod
# ID3
[ID3](https://en.wikipedia.org/wiki/ID3) is a metadata container format for audio. I am going for [ID3v2](https://en.wikipedia.org/wiki/ID3#ID3v2)
[ID3](https://en.wikipedia.org/wiki/ID3) is a metadata container format for audio. I am going for [ID3v2.4](https://en.wikipedia.org/wiki/ID3#ID3v2)
An Application can define its own types of frames.
@ -107,3 +107,14 @@ There are standard frames for containing cover art, BPM, copyright and license,
Version 2.4 of the specification prescribes that all text fields (the fields that start with a T, except for TXXX) can contain multiple values separated by a null character. The null character varies by [character encoding](https://en.wikipedia.org/wiki/Character_encoding).
[id3 fields docs](https://docs.puddletag.net/source/id3.html)
[forum](https://hydrogenaud.io/index.php/topic,51504.0.html)
> Hence, for the best possible compatibility I recommend writing ID3v2.3 tags in the ISO 8859 format.
[ID3 tag mapping](https://wiki.hydrogenaud.io/index.php?title=Foobar2000:ID3_Tag_Mapping)
## Frames
A frame Name is composed from 4 capital letters $XXXX$
The first letter of text frames is $TXXX$