H264 to DNXHR conversion creates two mono tracks from mono mic recording

Question

Good Day Friends,

I am finally leveling up my game and not going to edit in 264 anymore. I have converted using media encoder 264 files to DNXHR and it creates two mono audio tracks with the one attached video track. I understand this is expected conversion behavior into DNXhr. My question is that since the original audio was recorded via hotshoe mic which is only mono, Sony Digital Shotgun Microphone | ECMB10, then why do I need two audio tracks for stereo when the original recording was in mono? I assume since the original audio is mono then these two tracks produced with dnxhr conversion are just two idential copies and do not have any stereo left and right data? If they are just copies I am considering just deleting one of them so I can work with keyframes way easier, balance way easier, mix etc...

Thanks so much!

R Neil Haugen · Answer

That sounds like 'dual mono' in the conversion.

Just a comment from several years experiencd. I've noted that video post apps, whether NLEs or DAWs, seem to prefer to work with L and R channels rather than a single, old-style mono track. "Stereo" is L+R in "one" track. "Dual mono" is L+R in two linked/joined tracks.

"Mono" from stereo is panned center, from dual mono, is "faded" center. Weird, but ... ah well.

And the behavior of them (not just the terms used) is different, to get the same final result.

I know a ton of audio post pros prefer dual mono, and I've seen the reasoning. Out of my normal field so I'll not try to 'splain it.

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