<DIV>Hi everyone. I am studying the FLV file format and have a couple of questions that I hope you all might be able to shed some light on.</DIV> <DIV> </DIV> <DIV>The audio data that I have a question on is as follows: 00100110</DIV> <DIV> </DIV> <DIV>If I understand this correctly, this translates to:</DIV> <DIV> </DIV> <DIV>MP3 11kHz 16bit mono</DIV> <DIV>0010 01 1 0</DIV> <DIV> </DIV> <DIV>Am I correct?</DIV> <DIV> </DIV> <DIV>The reason I ask is that when I use ffmpeg (such as ffmpeg -i test.flv test.mp3)</DIV> <DIV> </DIV> <DIV>I get an error stating that 11kHz is not compatible with mp2. If I change the audio bit to read 22050, though, it converts. (i.e., ffmpeg -i test.flv -ab 22050 test.mp3)</DIV> <DIV> </DIV> <DIV>What I don't
understand is that if the audio is already a mp3 in the flv file, why does ffmpeg not like its current format? Seems to me is should convert just fine since it is already an mp3 -- am I misunderstanding something?</DIV> <DIV> </DIV> <DIV>Also on a different note, in the official specification from Adobe on the swf and flv format, it reads that the tag type for a flv file can be 8 for audio, 9 for video, and 18 for script data (see page 269), however I understand that metadata has a tag value of 12 -- is script data and meta data two different things?</DIV> <DIV> </DIV> <DIV>Thanks in advance!</DIV> <DIV> </DIV> <DIV>Shawn</DIV><p> 
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