Remove DRC from AC3 track

ultradj83 · 6th October 2023, 22:42

Dears,
I have an AC3 track with DRC.
How to remove DRC without to reencode?

Regards

tebasuna51 · 7th October 2023, 02:07

You can't remove the DRC metadata from AC3 tracks without recode, but you can play or decode it without apply the DRC.

ultradj83 · 7th October 2023, 07:06

Thanks Sir.
Was thinking it was a tag/flag in the metadata, so it was editable.
Regards

GCRaistlin · 6th May 2025, 16:40

Quote:

Originally Posted by tebasuna51

you can ... decode it without apply the DRC.

How can I do this?

hellgauss · 6th May 2025, 22:31

Set the proper option in the decoder.

In ffmpeg add -drc_scale 0 before input.

In most players there is like a checkbox in the audio options

6th October 2023, 22:42	#1 \| Link
ultradj83 Registered User Join Date: May 2016 Posts: 4	Remove DRC from AC3 track Dears, I have an AC3 track with DRC. How to remove DRC without to reencode? Regards

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7th October 2023, 02:07	#2 \| Link
tebasuna51 Moderator Join Date: Feb 2005 Location: Spain Posts: 7,368	You can't remove the DRC metadata from AC3 tracks without recode, but you can play or decode it without apply the DRC.

7th October 2023, 07:06	#3 \| Link
ultradj83 Registered User Join Date: May 2016 Posts: 4	Thanks Sir. Was thinking it was a tag/flag in the metadata, so it was editable. Regards

6th May 2025, 22:31	#5 \| Link
hellgauss Registered User Join Date: Sep 2002 Location: Italy Posts: 191	Set the proper option in the decoder. In ffmpeg add -drc_scale 0 before input. In most players there is like a checkbox in the audio options