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*Details: File format summary

   
 

 

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Go to:  Summary  |  Documentation  |  Signatures |  Compression  |  Character encoding  |  Rights  |  Reference files   Properties  
 

Signatures

External signatures File extension: ac3
Internal signatures
Name Dolby Digital AC-3
Description The file consists of repeated frames of audio data. Each frame begins with the 0x0B77 syncword. The size of the frame is determined by the nominal bit rate and sample rate as per Table 5.18 of the Digital Audio Compression Standard specification http://www.atsc.org/cms/standards/a_52-2010.pdf
Byte sequences
Position type Absolute from BOF
Offset 0
Maximum Offset 0
Byte order  
Value 0B77
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