Rendering with Sound

Once again, I need sound capability. Once again, I’m entering in the Eleven second club. I need a way to add sound to my render, that uses software compatable with linux, and outputs a format that eleven second club will accept.

Umm… FFMPEG option in the output formats?

Add your sound strip to the Sequence Editor, which you’ve probably already done if you’re lip syncing. Choose FFMPEG as your output format, then make you video settings on the Video panel. On the Audio panel, enable “Multiplex Audio” and choose your output codec. Render.

Sounds good. But, the question is, will Eleven Seconds except it?

The FFPMEG option will create .avi, .mov or .mpeg animations. It is wrapper and codec agnostic.

I just conducted a FFMPEG test using windows XP sp2 and quicktime pro installed.

I created a simple animation that is 250 frames long. I added a wave file (RAM) to the VSE. I enabled the audio in the timeline. I can hear and see the animation when I play it back in the timeline. But all rendering attempts using the FFMPEG fail.

The final quicktime movie (H264 with AAC audio) was only a black frame with no sound. Blender failed that test.
FFMPEG fails when I tried the same animation with AVI output. It produced an AVI file that crashes media player. (Huff codec and AAC audio).

So I tried a simple MPG2 format with MP3 audio.
Wham a big ole crash. To recreate the crash simply make an animated scene 250 frames long, add an audio strip to ram, enable audio in the timeline. Choose the FFMPEG option in the render buttons area and choose any settings (they all fail in some form or another).

I would also like to state that I have no problems with After Effects creating such files, so I’m fairly certain it is a Blender problem.

I’ll believe it when I see it (I mean hear it). Blender can not output audio on my windows machine. Not Quicktime, AVI or MPEG.

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^^^FFMPEG works fine for me here, though I’m on a machine running 2.46 in Windows2000(!) right now. For 250 frames, any mix of codecs, multiple audio strips all render and mix down even in HD. I’ll go try on XP in a few mins.

Do you have runtime library MSVCR71.dll installed?

XP SP2, used Blender/FFMPEG to export my entire final short animation to .avi (XVid) and .mpeg (MPEG2) files, with sound (MP2 and MP3, iirc). Not only did it work, but the publisher’s standards department (the anim is for a book with accompanying DVD) certified the videos.

I have experienced many Blender bugs that others can not reproduce.

My machine is a work machine, not a home machine. This means is has all kinds of protection crap installed and every fricking update the Microsoft barfs out.

Does anyone else use Blender in a typical locked down office environment?