[FFmpeg-user] How to add amr-nb to FFmpeg

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---- On Thu, 25 Apr 2013 13:42:04 -0500 bat guano  wrote ---- 

>> 
>> Hi, 
>> In the GUI I am using I don't see amrnb, 
>> as a choice for audio. 
>> I do see libopencore_ammb 
>> Maybe the GUI has a typo in the list? 
>> 
> 
>Yes, it's probably a typo. 
>Send a bug report to the GUI developer.                        
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>ffmpeg-user mailing list 
>ffmpeg-user at ffmpeg.org 
>http://ffmpeg.org/mailman/listinfo/ffmpeg-user 

It's there I'm just blind.

But I get this error when I use the codec:
"Only 8000Hz sample rate supported"

I'm converting a vob file for cell phone 3gp