[FFmpeg-user] sidechain compression: NOT ducking, but envelope

2024-11-18 Thread Michael Werzowa via ffmpeg-user
Dear List, I am new to the list. Searched the last two years of the list for „sidechain“, and did not find a hint. My usecase: Using an audio file to provide an envelope, that is applied to another audio file, modulating the gain of this file. With ffmpeg I easily can manage „ducking“, via direc

Re: [FFmpeg-user] sidechain compression: NOT ducking, but envelope

2024-11-18 Thread Michael Werzowa via ffmpeg-user
Thank you, I will have a look. And I will contact you directly, if this is ok? Best regards, Michael -- *** Michael Werzowa A-1190 Wien, Siolygasse 20/3B/6 +43 664 302 4511, fax +43 810 9554 185931 mi...@werzowa.at ***

Re: [FFmpeg-user] sidechain compression: NOT ducking, but envelope

2024-11-18 Thread Michael Werzowa via ffmpeg-user
Thank you for the answer. The sidechain file is an audio file, so, to my understanding, cannot be unipolar – but maybe I misunderstand? Best regards, Michael -- *** Michael Werzowa A-1190 Wien, Siolygasse 20/3B/6 +43 664 302 4511, fa

Re: [FFmpeg-user] sidechain compression: NOT ducking, but envelope

2024-11-18 Thread Paul B Mahol
There is no standalone envelope filter in FFmpeg, but there is one in Librempeg. (If envelope is standard definition by audio community) If you already have smooth envelope, you can use in FFmpeg sidechaincompress filter (takes two input streams) + amix filter. I could help more if I can look at

Re: [FFmpeg-user] sidechain compression: NOT ducking, but envelope

2024-11-18 Thread Michael Koch
Am 18.11.2024 um 09:32 schrieb Michael Werzowa via ffmpeg-user: Dear List, I am new to the list. Searched the last two years of the list for „sidechain“, and did not find a hint. My usecase: Using an audio file to provide an envelope, that is applied to another audio file, modulating the gain