Encode MP4 from separate audio and video files

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stewpowbam
Posts: 2
Joined: Tue Sep 18, 2018 9:05 pm

Encode MP4 from separate audio and video files

Post by stewpowbam » Tue Sep 18, 2018 9:09 pm

I've got video files I'd like to convert with Handbrake, but the audio is in a separate file. Is there a way to select an audio track from a different file and have the audio and video encoded into one mp4? Thanks for any suggestions :)

rollin_eng
Veteran User
Posts: 2848
Joined: Wed May 04, 2011 11:06 pm

Re: Encode MP4 from separate audio and video files

Post by rollin_eng » Wed Sep 19, 2018 7:28 am

Not with HB.

Woodstock
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Posts: 2710
Joined: Tue Aug 27, 2013 6:39 am

Re: Encode MP4 from separate audio and video files

Post by Woodstock » Wed Sep 19, 2018 1:43 pm

Best solution would be a video editor, then feed the output to handbrake.

Cheap/fast solution, assuming that the audio and video are matching lengths and there is no requirement to synchronize them, mkvmerge (part of mkvtoolnix) to multiplex them into an MKV file, then convert them to an MP4 using handbrake.

stewpowbam
Posts: 2
Joined: Tue Sep 18, 2018 9:05 pm

Re: Encode MP4 from separate audio and video files

Post by stewpowbam » Wed Sep 19, 2018 3:32 pm

Thank you for the quick replies. I may try those suggestions :)

andrewk89
Posts: 38
Joined: Thu Jun 13, 2013 4:29 pm

Re: Encode MP4 from separate audio and video files

Post by andrewk89 » Fri Sep 21, 2018 4:16 pm

Avidemux. It can loslessly merge/join. It can or transcode audio/video into all(?) the codecs and containers supported by HB. It's weak on batch and correcting bad aspect ratios. I use HB mostly, but use ADM for cases like this.

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