VSE: audio animations lost in scene strips #109557

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opened 2023-06-30 14:34:51 +02:00 by Frank · 4 comments

System Information
Operating system: Windows-10-10.0.18363-SP0 64 Bits
Graphics card: AMD Radeon HD 6800 Series ATI Technologies Inc. 4.5.13399 Core Profile Context 15.201.1151.1008

Blender Version
Broken: version: 3.6.0, branch: blender-v3.6-release, commit date: 2023-06-27 08:08, hash: c7fc78b81ecb
Worked: (newest version of Blender that worked as expected)

Short description of error
In a video project that consists of a main scene that links in several sub-scenes, animations of the audio volume in the sub-scenes are gone in the main scene. The audio will remain at the volume that was set in frame 1 of the sub-scene.

Exact steps for others to reproduce the error
(1) Open the attched .blend file.
(2) Go to Scene 1 and play it. You will hear that the volume of the audio strip will go from 3.000 to 0.000
(3) Go to the Main scene and play it. You will hear that the audio remains at volume 3.000 (the initial volume) from beginning to end.

NOTE: If you select Scene 1 in the Main scene, go to a certain frame number (e.g. 600) and type "1" in the volume box of the scene strip, the audio will switch to the right volume at that particular frame, but will stay at that volume for the remainder of the frames.

**System Information** Operating system: Windows-10-10.0.18363-SP0 64 Bits Graphics card: AMD Radeon HD 6800 Series ATI Technologies Inc. 4.5.13399 Core Profile Context 15.201.1151.1008 **Blender Version** Broken: version: 3.6.0, branch: blender-v3.6-release, commit date: 2023-06-27 08:08, hash: `c7fc78b81ecb` Worked: (newest version of Blender that worked as expected) **Short description of error** In a video project that consists of a main scene that links in several sub-scenes, animations of the audio volume in the sub-scenes are gone in the main scene. The audio will remain at the volume that was set in frame 1 of the sub-scene. **Exact steps for others to reproduce the error** (1) Open the attched .blend file. (2) Go to Scene 1 and play it. You will hear that the volume of the audio strip will go from 3.000 to 0.000 (3) Go to the Main scene and play it. You will hear that the audio remains at volume 3.000 (the initial volume) from beginning to end. NOTE: If you select Scene 1 in the Main scene, go to a certain frame number (e.g. 600) and type "1" in the volume box of the scene strip, the audio will switch to the right volume at that particular frame, but will stay at that volume for the remainder of the frames.
Frank added the
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labels 2023-06-30 14:34:52 +02:00
Member

Can confirm. I believe no previous version is working, tested 3.3-4.0.

And also found another issue, if you are playing in Main scene and switch to Scene 1, the sound doesn't stop and can be only stopped by returning to Main scene and play/stop again. I probably should report this as a separate bug.

Can confirm. I believe no previous version is working, tested 3.3-4.0. And also found another issue, if you are playing in Main scene and switch to Scene 1, the sound doesn't stop and can be only stopped by returning to Main scene and play/stop again. I probably should report this as a separate bug.
Author

So far I have been able to circumvent this issue by using metastrips instead of sub-scenes, but today the issue suddenly starts occurring in metastrips as well.

When I had 6 metastrips in my project, everything rendered fine.
After adding 2 more metastrips, the volume changes within the first two metastrips are suddenly no longer taken into account. This leads to background music drowning out the voice-over.

I hope this issue will not be forgotten by the developers, because it makes it impossible to edit bigger projects that need sub-scenes or metastrips.

So far I have been able to circumvent this issue by using metastrips instead of sub-scenes, but today the issue suddenly starts occurring in metastrips as well. When I had 6 metastrips in my project, everything rendered fine. After adding 2 more metastrips, the volume changes within the first two metastrips are suddenly no longer taken into account. This leads to background music drowning out the voice-over. I hope this issue will not be forgotten by the developers, because it makes it impossible to edit bigger projects that need sub-scenes or metastrips.

Here is another one issue ... if you duplicate Scene 1 (with VSE audio) and switch input from Sequencer to Camera (because I wanted to get 3D viewport of Scene 1 in Main Scene) ... NO MORE AUDIO is heard. Even the duplicated (or added) strip is deleted (and cache refreshed).

(Originally reported here https://blender.stackexchange.com/questions/308435 )

Here is another one issue ... if you duplicate Scene 1 (with VSE audio) and switch input from Sequencer to Camera (because I wanted to get 3D viewport of Scene 1 in Main Scene) ... NO MORE AUDIO is heard. Even the duplicated (or added) strip is deleted (and cache refreshed). (Originally reported here https://blender.stackexchange.com/questions/308435 )
Bart van der Braak added
Type
Bug
and removed
Type
Report
labels 2024-08-14 13:11:17 +02:00
Author

In Blender 4.2 this still doesn't work: all volume changes in a scene are lost when that scene is referenced in a scene strip.
Subscenes are already hardly usable because of the extremely slow rendering, but the loss of volume changes is a real showstopper.

Is the effort of fixing this bug already planned for one of the future Blender releases?

In Blender 4.2 this still doesn't work: all volume changes in a scene are lost when that scene is referenced in a scene strip. Subscenes are already hardly usable because of the extremely slow rendering, but the loss of volume changes is a real showstopper. Is the effort of fixing this bug already planned for one of the future Blender releases?
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Reference: blender/blender#109557
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