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Jul 19, 2015 at 18:00 answer added Peter Cordes timeline score: 1
Jul 16, 2015 at 6:59 comment added Gyan ffmpeg has to be compiled with fdk. Your build apparently isn't. Use the native encoder with a higher bitrate, so "-strict experimental -c:a aac -b:a 384k" in place of "-codec:a libvo_aacenc -b:a 128k" in your original command.
Jul 16, 2015 at 6:27 comment added akki_2891 Yeah i got to know that libvo_aacenc supports two channels only, so i thought to give a try for 'libfdk_aac' . But its says Unknown Encoder 'libfdk_aac' I am quite novice to ffmpeg world :) Your help is much appreciated. Even i tried other aac encoders like aac and libfaac, but getting the errors
Jul 16, 2015 at 5:28 comment added Gyan Your source audio is 448kbps in 6 channels i.e. ~75kbps per channel, and your target codec is AAC (a lossy codec), so it won't be lossless. Most you can do is increase the target bitrate to something like 192k or higher from 128k. You'll, of course, lose the channel separation from 6 to 2.
Jul 16, 2015 at 4:49 comment added akki_2891 Thanks !! that kinda worked for me... :) But next step now for me is to make it less lossy.
Jul 15, 2015 at 11:53 comment added Gyan Try adding -a:c 2 after -b:a 128k
Jul 15, 2015 at 11:37 history edited akki_2891 CC BY-SA 3.0
added a suggestion request to make it lossless
Jul 15, 2015 at 11:33 review First posts
Jul 27, 2015 at 6:51
Jul 15, 2015 at 11:29 history asked akki_2891 CC BY-SA 3.0