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19 votes
Accepted

How do I animate emission with an audio file?

For convenience later on, I'll add a Value node, which you can connect to the emission strength or any other input. Set a key on the property, which you want to be "animated" by the sound wave. In ...
Leander's user avatar
  • 27.2k
9 votes

Error AL lib: UpdateDeviceParams: Failed to set 44100hz, got 48000hz instead. What can I do?

While this is a harmless error, this is how you can fix it: Open user preferences with Ctrl+Alt+U and go to the System tab In the sound settings below, change the sample rate to 48000 kHz and save ...
Timaroberts's user avatar
  • 12.4k
7 votes
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How to Draw Waveform Automatically

When you have one or multiple Sound strips you can check Draw Waveform in the Strips Sound Properties (on the right, open VSE's Properties Panel pressing the N key) per Strip. When you want to set ...
Samoth's user avatar
  • 3,244
7 votes

Workflow for a short animated film: what to do first, music or video?

By short animated film I assume it is story driven and that there might be dialog. The process is this: write the script (with dialogue) create storyboard, mood, concept art record dialogue with ...
Jaroslav Jerryno Novotny's user avatar
6 votes
Accepted

VSE channel's volume

The volume of an audio strip can be changed in the sound properties panel which you can find in the sequencer's properties region - press N To alter multiple strips, select them and adjust the volume ...
sambler's user avatar
  • 55.5k
6 votes

Spatial Audio Render

Can use the mixdown operator to create an "audio render" of the scene. Mixdown is next to the render animation button in the latest versions of Blender (There once was a mixdown button on the audio ...
batFINGER's user avatar
  • 84.5k
6 votes
Accepted

Is There a Way to "Render" the sound itself in Blender?

There is active research happening in this field currently and Stanford is in the forefront of this research. They presented their work at SIGGRAPH, 2018. I hope soon it can be integrated to Blenderv2....
Sherlock_SA's user avatar
6 votes

Voice over in Blender

To drive lips from an audio file - For this exercise both lips are simply curve-paths bevelled with a small diameter oval and left as curves. The animated gif pic below is the Graph Editor and where ...
Edgel3D's user avatar
  • 3,955
6 votes
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How many dB (Decibel) are at the extreme limit of the Waveform?

Decibel is a comparative unit, like percentage but logarithmic, so red lines say "You went over 100%". But 100% of what? It's 100% of the hardware and software capabilities. In professional ...
josh sanfelici's user avatar
5 votes

How to render from VSE, and not 3D scene?

Make sure, under your Render Properties in the Post Processing panel you have Sequencer checked.
Samoth's user avatar
  • 3,244
5 votes

No audio playback in VSE but rendered file has audio

To enable the sound in my Video Sequencing Editor, I had to change the system setting for audio device from OpenAL to SDL. Doing this seemed to jar loose the sound so that it would play. I was even ...
David's user avatar
  • 71
5 votes
Accepted

Where is Bake sound to F-curve in 4.0?

It is still found under Channel in the Graph Editor but it is now called Sound to Samples. It still needs an existing channel/key to create the curve, i.e. to not be greyed out.
Gordon Brinkmann's user avatar
4 votes

Error AL lib: UpdateDeviceParams: Failed to set 44100hz, got 48000hz instead. What can I do?

To fix this issue you just do like in pictures In priorities sound and set to 44100 Hz then ok and run blender , that all
Rachid Adm's user avatar
4 votes
Accepted

GxAV Addon does not do anything more than adding static bars

The GxAV addon was last updated on GitHub three years ago. I didn't test it but I think the addon is broken in the current blender version. In this case you could try to use an old version of blender. ...
PHEDev's user avatar
  • 703
4 votes

Advance audio editing for blender

Blender has a Video Sequence Editor which allows very simple editing of an audio clip such as cutting and volume adjustment. Audio clips can then be placed in sync with a video clip to then be encoded ...
sambler's user avatar
  • 55.5k
4 votes

How to add a new audio track to a video clip

Okay, so I'm posting this answer to my own question in case someone else has the same problem as I did. If you feel this isn't helpful, please feel free to vote to delete it. The issue was that I ...
ABy's user avatar
  • 103
4 votes
Accepted

Logic Bricks - Stop Sound Actuator

The reason that does not work is because of how the keyboard sensor works, it essentially is stopping and restarting the sound. What you need to do is have a game property (A boolean set to true). ...
David's user avatar
  • 49.5k
4 votes
Accepted

How can I make the waveform in sequencer bigger?

From official manual: Navigating — Blender Manual 2.80 Use these shortcuts to adjust the sequence area of the VSE: (...) Scale View: Ctrl-MMB and drag up/down (vertical scale) or left/right (...
Serge L's user avatar
  • 3,935
4 votes

How to sync audio in blender 2.8?

On the bottom left of the screen you will see Playback.. click that and right at the top of that pop up menu is a Synch sub menu.. I just had to find it myself :)
Alan Grant Steppe's user avatar
4 votes

Blender 4.0 Video Sequence Editor audio pitch missing

The option Speed Factor is no longer existing in 4.0, still under Time though you now find the new option Show Retiming Keys which is disabled by default. Enabling it you will now show two keys on the ...
Gordon Brinkmann's user avatar
4 votes
Accepted

Where did "Speed Factor" go? (Video Sequencer)

The system has changed since Blender 4, you need to select the strip, enable Show Retiming Keys option and move the keys to speed up or slow down, it will be displayed in percentage. It looks a bit ...
moonboots's user avatar
  • 162k
3 votes
Accepted

Video Editing stereo tracks

In the Video Sequence Editor, add both audio clips. On the left audio strip, set the Pan property to -1 under the Strip settings > Sound. On the right audio strip, set the pan property to 1. ...
Leander's user avatar
  • 27.2k
3 votes
Accepted

Extract audio to file from movie clip - with Blender?

Currently there isn't a node with that capability built in. The simplest that you might script is the following: add the clip to the VSE set start and endframe: ...
zeffii's user avatar
  • 39.7k
3 votes
Accepted

What happens with the quality of sound if I render it twice as MP3?

It boils down to if you are increasing the compression or not, and has nothing to do with Blender. The reason for this is that any given level of compression will "shape" the encoded values into the ...
troy_s's user avatar
  • 12.3k
3 votes

Bake Video to Sound

You can add a video clip as a strip in the VSE. Then you can add a speed effect strip to it. The speed effect strip can be altered by animating the multiply factor of the speed value. Then you could ...
3pointedit's user avatar
  • 8,983
3 votes
Accepted

BGE how can I run a sound file while a key is pressed?

You can have a sound play on a key press and stop on the release of that key by using the "Play Stop" setting on the sound actuator When the sound actuator is set to "Play Stop," when it receives a ...
X-27 is done with the network's user avatar
3 votes
Accepted

Scripting: silence all nested audio metastrips

This selects all sound strips in meta strips and mutes them ...
batFINGER's user avatar
  • 84.5k
3 votes
Accepted

double instance of sound when using VSE-scene strip in another scenes VSE

The answer is with AV-sync. If you have multiple scenes with audio, then make sure that only the one you're currently working on is set to AV-sync. If you do happen to get a sound instance running ...
Acebone's user avatar
  • 305
3 votes

Best sound baking settings

In this answer I shall demonstrate what the Attack and Release values represents. Though, I will update the answer with more concepts and practical implementation as soon as I get the time. Attack ...
Omar Emara's user avatar
  • 22.6k
3 votes

How do I render out a single mono audio track?

If you go to Scene Properies you can change the audio format https://developer.blender.org/F351924. Is blender just automatically duplicating the mono track 2x and making it a stereo? Joerg ...
Christopher Anderssarian's user avatar

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