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#1 2017-05-19 19:50:19

franz
Member
Registered: 2014-07-09
Posts: 22

Audio Codec: libfdk_aac (HE-AACv2) is better than libfaac

Hi Adrian,

I was hoping to have an option to use libfdk_aac (HE-AACv2) because it has better quality in lower bit rate thus making video file size smaller to save bandwidth and disk space.

why do I know this? because I usually encode videos using mediacoder and I have compared them already in every way.

Hoping to hear your thoughts on this

https://trac.ffmpeg.org/wiki/Encode/AAC

Screenshot%20of%20Encode-AAC%20%C3%A2%C2%80%C2%93%20FFmpeg.jpg


HE-AAC version 2

ffmpeg -i input.wav -c:a libfdk_aac -profile:a aac_he_v2 -b:a 32k output.m4a

Last edited by franz (2017-05-19 19:51:56)

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#2 2017-05-19 21:16:51

symtab
Administrator
Registered: 2010-08-23
Posts: 7,240
Website

Re: Audio Codec: libfdk_aac (HE-AACv2) is better than libfaac

You can already use libfdk_aac in the script. You can select it (if your ffmpeg was compiled with support fdk_aac) in admin -> video -> config -> conversion. I however do not use any profile for the aac encoder. fdk_aac is the best audio encoder for ffmpeg (as their wiki says).


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#3 2017-05-20 05:30:30

franz
Member
Registered: 2014-07-09
Posts: 22

Re: Audio Codec: libfdk_aac (HE-AACv2) is better than libfaac

I have successfully recompiled ffmpeg with libfdk_aac support ...

now Im getting a better audio at 16k bitrate while file size is reduced.

nothing beats 1 optimized video file across all platforms (mobile or desktop)

saves bandwidth and disk space

a practical solution to someone like me who doesn't like to spend much on server resource

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