User:Halftheisland/EA AS4

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(Created page with "{{FormatInfo |formattype=electronic |subcat=Audio and Music |extensions={{ext|as4}} {{ext|asf}} }} == Description == AS4 / ASF files are an audio file format used in many vi...")
 
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{{FormatInfo
 
|formattype=electronic
 
|subcat=Audio and Music
 
|extensions={{ext|as4}} {{ext|asf}}
 
}}
 
  
== Description ==
 
 
AS4 / ASF files are an audio file format used in many video games created by Electronic Arts. Note that extensions other than those listed may be AS4 / ASF files as Electronic Arts often change file extensions for different games.
 
 
== Information ==
 
 
The basic structure of AS4 / ASF files is similar to that of [[RIFF]], with each file divided into blocks (although, unlike [[RIFF]], the format does not have a global file header).
 
 
Each block starts with a standard header:
 
 
<pre>
 
struct ASFBlockHeader
 
{
 
char szBlockID[4];
 
DWORD dwSize;
 
};
 
</pre>
 
 
Where:
 
 
* <pre>szBlockID</pre> gives the string ID for the block
 
* <pre>dwSize</pre> gives the size of the block (including the header) in bytes.
 
 
Each file then consists of a number of blocks, each of which are described below.
 
 
=== Header Block ===
 
 
=== Sound Data ===
 
 
== Software ==
 
 
* http://bim.km.ru/gap/
 
 
== Links ==
 
 
* http://www.extractor.ru/articles/electronic_arts_audio_file_formats_description
 

Latest revision as of 12:14, 3 October 2013

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