[Mp4-tech] Re: Information on how to create AAC LC with LATM header

Ralph Sperschneider ralph.sperschneider iis.fraunhofer.de
Mon Feb 25 17:10:30 EST 2008


Sharma, Sreejana wrote:
> Hello all,
> 
> I am working on creating AAC LC audio content with LATM header. Is there 
> any tool available that can help me create that content. Also are there 
> any decoder available that can help me parse the LATM headers.

All that exists by means of the MPEG-4 reference software.
> Also can 
> I have an  AAC LC content with just LATM header and can any decoder 
> decode it. Or does AAC with LATM have to be in some sort of file format 
> such as 3gp or mp4 file format. Any help in this direction will be 
> greatly appreciated.

LATM/LOAS is a transport format. In opposition to this, 3gp/mp4 file format is a 
file format. Thus, those formats are orthogonal.
Best regards,
Ralph
> 
>  
> 
> Thank you
> 
> Sreejana
> 
>  
> 
>  
> 
>  
> 
> 
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Dipl.-Ing. Ralph Sperschneider  | Phone: +49 9131 776 344
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