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APE tag - Just Solve the File Format Problem

APE tag

From Just Solve the File Format Problem
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(Created page with "{{FormatInfo |formattype=electronic |subcat=Metadata }} '''APE tag''' is a metadata format embedded in some audio files, such as MP3 files. Its purpose is similar to that ...")
 
(Identification)
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== Identification ==
 
== Identification ==
An APE tag segment has the ASCII signature "{{magic|APETAGEX}}" beginning 32 bytes before the end of the segment. Typically, the segment will be at the very end of the audio file, or just before an [[ID3]]v1 segment (i.e., the signature could appear 32+128 bytes from the end of the file). However, in some cases the segment could be at the beginning of the file, or possibly somewhere else.
+
An APEv1 segment always ends with a 32-byte footer that begins with the ASCII signature "{{magic|APETAGEX}}". Typically, the segment will be at the very end of the audio file, or just before an [[ID3|ID3v1]] segment. So, the signature usually begins either 32 or 160 (32+128) bytes from the end of the file.
  
APEv2 segments also ''begin'' with the same "{{magic|APETAGEX}}" signature (i.e., the signature will appear twice).
+
An APEv2 segment usually has the same style of 32-byte footer as with APEv1, and usually also ''begins'' with a 32-byte header that has essentially the same format. So, usually, the "{{magic|APETAGEX}}" signature will appear twice. However, it is legal to omit either the header or the footer, if it is deemed not to be necessary. In part due to the header, an APEv2 segment can potentially be at the beginning of the file, or somewhere else.
  
 
== Links ==
 
== Links ==

Revision as of 17:20, 27 November 2017

File Format
Name APE tag
Ontology

APE tag is a metadata format embedded in some audio files, such as MP3 files. Its purpose is similar to that if ID3. It apparently has some relationship to Monkey's Audio format.

Identification

An APEv1 segment always ends with a 32-byte footer that begins with the ASCII signature "APETAGEX". Typically, the segment will be at the very end of the audio file, or just before an ID3v1 segment. So, the signature usually begins either 32 or 160 (32+128) bytes from the end of the file.

An APEv2 segment usually has the same style of 32-byte footer as with APEv1, and usually also begins with a 32-byte header that has essentially the same format. So, usually, the "APETAGEX" signature will appear twice. However, it is legal to omit either the header or the footer, if it is deemed not to be necessary. In part due to the header, an APEv2 segment can potentially be at the beginning of the file, or somewhere else.

Links

Personal tools
Namespaces

Variants
Actions
Navigation
Toolbox

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