ffmpeg options: -acodec libfaac -ab 192k produce 150kbit files?

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Posted by piedro on Ask Ubuntu See other posts from Ask Ubuntu or by piedro
Published on 2011-01-04T12:20:34Z Indexed on 2011/01/04 12:58 UTC
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Hello!

When I use ffmpeg to convert an audiofile with the option 

-acodec libfaac -ab 192k

and use 

ffmpeg -i

on that file afterwards to get the audio file information, it tells me 

bitrate: 152 kb/s

Why ist this? Do I miss something here? If I want to convert a file with a bitrate of 192kb it should give me 192 kbit after the conversion, shouldn't it?

Or: How do I get the 192 kbit rate then?

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