Doom9's Forum - View Single Post - eac3to

Thunderbolt8 · 30th January 2016, 14:25

The German (3D) BD of Inside Out (seamless branching) has a EAC3 7.1 stream with 896kbps and which has as embedded core stream AC3 5.1 with 512kbps. I want to extract just that ac3 core as it is without any reencoding. but when I do with the cmd "eac3to 1) X: C:\stream.ac3" (which should be the ac3 equivalent to extracting a DTS core from a DTS-HD MA track) then eac3to says decoding with libav/ffmpeg and encoding AC3 <640kbps> with libAften, so the stream gets indeed reencoded. same with the same cmd line and "-core" in addtion.

edit: Ive found the .ec3 -core information, but it would be nice if this could be documented within eac3to as well.

edit²: why is it actually .ec3 -core here and not just .ac3 -core? that would make more sense compared to how it works with .dts

30th January 2016, 14:25	#13830 \| Link
Thunderbolt8 Registered User Join Date: Sep 2006 Posts: 2,197	The German (3D) BD of Inside Out (seamless branching) has a EAC3 7.1 stream with 896kbps and which has as embedded core stream AC3 5.1 with 512kbps. I want to extract just that ac3 core as it is without any reencoding. but when I do with the cmd "eac3to 1) X: C:\stream.ac3" (which should be the ac3 equivalent to extracting a DTS core from a DTS-HD MA track) then eac3to says decoding with libav/ffmpeg and encoding AC3 <640kbps> with libAften, so the stream gets indeed reencoded. same with the same cmd line and "-core" in addtion. edit: Ive found the .ec3 -core information, but it would be nice if this could be documented within eac3to as well. edit²: why is it actually .ec3 -core here and not just .ac3 -core? that would make more sense compared to how it works with .dts __________________ Laptop Lenovo Legion 5 17IMH05: i5-10300H, 16 GB Ram, NVIDIA GTX 1650 Ti (+ Intel UHD 630), Windows 10 x64, madVR (x64), MPC-HC (x64), LAV Filter (x64), XySubfilter (x64) (K-lite codec pack) Last edited by Thunderbolt8; 30th January 2016 at 21:07.