Copy of Audio or Video without reencoding

[Filmorus]

Hi,

I continue to study this wonderful conversion tool. But I'm confused that I can't find a way to not recode the audio or video stream, but just add it unchanged. This feature is available in a lot of free tools and probably in this advanced one, but I can't find it. Is there any clue?

Thank you

[eckiAMETeam · Accepted solution]

I am afraid we do not have this out of the box. For MPEG-based formats you can use ffmpeg (e.g.

ffmpeg -i input-video.avi -vn -acodec copy output-audio.aac).

I will add a feature request. Thanks for your suggestion!

[Guest]

An news on this. I desperately need to transcode optimized media to continue working in premiere pro - but it NEEDS to match audio channels later, so there MUST be a way to pass through audio doesnt it???

[eckiAMETeam]

I am not sure how your post relates to the above thread.

Please be more specific so that we can help you: What is your source material? What is your target format? Which OS; CPU and GPU do you use? Which versions of AME and Premiere Pro? What exactly does not work?

[Guest]

I am sorry if I got it wrong. I thought he was asking for an option to copy audio (while transcoding video for example.) I added it as an "idea" but maybe a solution already exists. 

Add audio passthrough for prores transcode or prox... - Adobe Community - 14400410

[eckiAMETeam]

Thanks, Peter. We have added your suggestion to our feature requests and will discuss it in the team.

[Guest]

Thanks, In the meantime I will roundtrip to Apple Compressor. It has a simple checkbox for Audio Passthrough.

 

[EckiAME]

According to our formats experts, uncompressed audio will travel through the pipeline untouched. It is not the ffmpeg or related 'copy stream as is' for audio, though.

[Guest]

I am using the Sony FX3 with four channel audio. A very common setup nowadays. it converts my 24 bit auto to 16 bit. So I have to fiddle with the settigs and in those presets of AME there is no option for audio pass through, so I would have to create Ingest presets for every single camera that I use and change them before ingesting their footage. thats impossible..

[ChWard]

Hi there,

we basically do this already through Smart Rednering. If Smart Rendering is used, parts that don't need encoding will be copied. For audio, if it is uncompressed we can also pass it through (if no effect is applied). Compressed audio we always need to re-compress. 

[Filmorus]

It is very annoying that a commercial encoder does not allow you to simply replace the audio track without recompressing, whereas free utilities easily do this.