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Questions tagged [audio]

Audio can take the form of sound strips or speakers in Blender both intended for adding audio to animation renders. Use this tag for questions about either form of audio in Blender.

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

I have Win 10 and when I open Blender I have the error: AL lib: UpdateDeviceParams: Failed to set 44100hz, got 48000hz instead
user avatar
3 votes
1 answer
2k views

What's the range of values on a sound-baked f-curve?

I'm doing a lot of sound baking at the moment, but it's kind of hard to work with since I don't know what kind of values to expect out of the f-curve. Common sense would say that it would range from ...
Burritosaur's user avatar
0 votes
1 answer
88 views

How to make baked sound f-curve trigger a layer's visibility?

I want to animate a picture of a puppet with two images, one with a closed mouth and one with an open mouth. I want to trigger the open mouth when an audio track goes above a certain volume. This ...
emonigma's user avatar
6 votes
4 answers
25k views

No audio output in rendered video file

I am trying to render a video (that is not a .dvd file) with audio using Blender. So far, I haven't had any success; all of my rendered clips have had the audio missing from the playback. I've tried a ...
AAC's user avatar
  • 87
6 votes
1 answer
4k views

How to move an object with sound?

I'm making an intro with music, and I have objects that need to move with the music. It's not on the beat, slightly random, so I can't use regular intervals. Is there a way to do this? I'm not sure if ...
DragonHeart's user avatar
  • 1,524
3 votes
2 answers
820 views

Scene playback with wrong/unwanted Sequencer audio

I have a 30 second Scene, that I put at 3 minutes into my VSE - together with some additional "scene music". When I play this in the VSE, it works fine - both audio and video. But when I go to an ...
David Steiner's user avatar
2 votes
1 answer
2k views

Combine F-Curve Modifiers with baked Sound

I have a Particle System on a grid with an X Velocity of 200 and a Tangent of 60. The Tangent has a keyframe with a sound baked ...
user avatar
2 votes
3 answers
1k views

Is there any way I can make a curve and/or a mesh from a wavefile?

So I want to make a mesh surface based on a wave file. I have been trying to convert sound to curves so I could extrude it to a mesh plane, but I am relatively new to Blender so I am not sure how to ...
Marius's user avatar
  • 51
1 vote
1 answer
298 views

Geometry Nodes: How can I use baked sound F-curve data as a math function?

I want to use baked sound F-curve instead of sin and cos in expression for Trefoil knot: \begin{aligned}x&=\sin t+2\sin 2t\\y&=\cos t-2\cos 2t\\z&=-\sin 3t\end{aligned} Is it possible to ...
Pavel Trufanov's user avatar
5 votes
2 answers
3k views

Can I make 3D spheres to deform/pulse in sync with audio?

How can I make a sphere-like object pulsate with the beat of a song? Is this possible to do in Blender, or do I need to get Adobe After Effects? Here is an example of what I mean: https://www.youtube....
Akidus's user avatar
  • 417
5 votes
1 answer
3k views

Smoothing a baked f-curve

I have an f-curve baked from an audio file, but finding it too jittery for my usage: It there a way to smooth the baked curve? I've looked through the modifiers, expecting to find a filter, but there ...
ajwood's user avatar
  • 10.1k
3 votes
1 answer
1k views

Voice over in Blender

When my character speaks, I use shape keys to move the mouth, just up and down. If I wanted to add a voice, do I need to record this separately and then insert as audio? I'm asking if Blender has a ...
Kamran Ali's user avatar
3 votes
2 answers
699 views

Rendering Sound In Video Sequencer

How do you render sound with your video in the video sequencer? I already placed a sound strip with the video strip but how do you render the sound with the video?
user avatar
2 votes
2 answers
686 views

Animating multiple columns to sound

I'm trying to make (or at least understand how to) something like this image sort of like a giants causeway and have it move up and down on a per column basis to sound. I know the idea of getting an ...
cshelswell's user avatar
1 vote
1 answer
2k views

Import video for editing with multiple audio strips [duplicate]

I'm recording with OBS. In OBS, I have two options for audio recording, Desktop Audio and Mic Audio. Each of these are mixed together and saved in the same MP4 with the video which is recorded. When ...
Tawm's user avatar
  • 111
0 votes
1 answer
219 views

Using Blender as a video editor can I only add an audio track without recoding a video track?

The task is to add an additional audio track to a video file (mkv). But I do not want to change a video track in any way while rendering. Can it be done in Blender?
Sergey's user avatar
  • 133
0 votes
1 answer
380 views

How to randomize audio

I am making a third person shooter and I have three different lazer sounds. I want to figure out how to make it so every time I click it plays a different lazer noise.
Alex's user avatar
  • 15
14 votes
4 answers
30k views

No sound in VSE

I've been working with the VSE for a while and everything was fine. But all of the sudden, when I play the preview the sound doesn't play. I think I must've disabled it somewhere, but I can't manage ...
YoMismo's user avatar
  • 630
13 votes
1 answer
3k views

How do I animate emission with an audio file?

In cycles, I want an audio file of speech to cause an emission surface to change the amount of emission strength to match the volume from the voice actor's audio file. No sound = 0 strength Loudest ...
Eric Huelin's user avatar
  • 2,251
11 votes
2 answers
48k views

VSE: How to render a video with audio? [closed]

I want to play a music strip with a video in the video editor but the video has no music when I play it. I've rendered it but it still doesn't have sound. How can I render and play the video with ...
adrian salinas's user avatar
11 votes
1 answer
2k views

Spatial Audio Render

How can I export B Format ambisonic audio in a render. Blender uses OpenAL, which does allow for First Order Ambisonic (4 mono channels, WXYZ) rendering. My goal is to create a stereoscopic, 360 ...
Aaron_A_Anderson's user avatar
7 votes
1 answer
3k views

How to Draw Waveform Automatically

I'm doing some video editing in Blender, and every time I drop a clip in to edit, I always find myself selecting the audio and then telling Blender to draw the waveform using Adjust → Sound → Display ...
Anson Savage's user avatar
  • 3,412
7 votes
1 answer
1k views

Get raw sound data in Blender using python

I would like to use Blender to construct a mesh based on a sound file. I've seen the bake sound to graph function, and I tried to look in the source code how it works internally. This function is ...
danalizieors's user avatar
7 votes
2 answers
8k views

ALSA lib confmisc.c:768:(parse_card) cannot find card '0' and etc Errors happend in Ubuntu Server14.04

I am using Amazon EC2 VPC, but when I start the Blender I got some errors: ...
Tao Yan's user avatar
  • 141
7 votes
2 answers
2k views

How to play a sound after script finishes?

Is there a way to play a sound after a script finishes ? For scripts taking between 30min and many hours (like the delaunay triangulation one from doomlysz), it's good to not have to check every 10 ...
matali's user avatar
  • 2,811
6 votes
2 answers
805 views

Can I render ambisonic b-Format audio?

Im looking for a way to render spatialized sound to 1st order ambisonic b-format. I assumed the 4ch option in scene audio settings was the key. But that just seems to render a quad speaker setup? The ...
Adde Stromberg's user avatar
5 votes
1 answer
1k views

Extract audio to file from movie clip - with Blender?

In this excellent answer I learned how to extract a series of individual frames from a movie clip node. This solution suits me well - there is a python script, and a few nodes, and it runs ...
uhoh's user avatar
  • 2,667
5 votes
3 answers
6k views

No audio playback in VSE but rendered file has audio

I can not get audio to play out of my speakers whilst using Blender 2.77a in the Video Sequence Editor. However when I rendered out a file (mp4) it contains the audio and can be played back on VLC. ...
Lincoln's user avatar
  • 71
5 votes
1 answer
833 views

Blender 4.0 Video Sequence Editor audio pitch missing

In Video Sequence Editor, there was no pitch setting. I looked on the internet for help and it told me that it changed from pitch setting from the sound section to the speed factor on the time section ...
LaDeep Family's user avatar
3 votes
2 answers
2k views

Why can I not import an .mp3 file through Python scripting?

I'm following this tutorial and I'm about 29 minutes in. I'm using the .mp3 mentioned in the tutorial. Here's my latest .blend... My script will create a single cube and switch the window context to ...
Reverend Speed's user avatar
3 votes
2 answers
2k views

VSE channel's volume

Helo, can't figure out how to change the volume of multiple strips or one separate channel. i have a video with multiple audio channels, one for background music, one for audio effects, and one for ...
LDCO's user avatar
  • 591
3 votes
4 answers
16k views

Audio doesn't play?

I'm new to blender and I just downloaded it. I can't seem to figure out what is wrong with the audio. I downloaded a few templates that came with audio but the audio doesn't run. The audio is not ...
Vincent's user avatar
  • 31
3 votes
0 answers
553 views

Best lossless video output format for later conversions for web

I'm creating an animation (with sound) in blender that's gonna be an HTML5 video. As browsers are quite picky, I'll probably need to embed the video into the web page in multiple different formats for ...
tom's user avatar
  • 193
3 votes
1 answer
418 views

Why isn't audio rendering?

Using the VSE, I have included a strip of audio, the "scene" that I animated, and other video footage. I have been able to hear the audio in playback, however after rendering I cannot hear any audio. ...
Anna's user avatar
  • 31
2 votes
1 answer
331 views

How to add a minimum value to f-curves

I want to make a plane change the scale to an audio signal. Now when I try using the bake sound to f-curve-function it obviously starts with the scale at the value 0. Is there a way to give it a ...
Validor's user avatar
  • 23
2 votes
1 answer
418 views

BGE How to change a music loop in the middle of a game?

I'm trying to create my first maze game. I have a "looping" music triggered by an Always sensor and I would like to change this music for another one once the player goes through a door. How can I do ...
JLDownUnder's user avatar
2 votes
1 answer
3k views

Blender 3.3.0 VSE audio pitch option is missing

The option appears to be gone. I created a project in blender 3.2.1 that has audio with shifted pitch. When I open it in 3.3.0, the pitch shift is audible but the slider in the side panel of the VSE ...
Krayne's user avatar
  • 162
2 votes
1 answer
276 views

VSE Audio and Video Sync is off by 2 Frames Every Time

I'm using Blender 2.77. When I import footage into the VSE with the correct frame rate (23.98fps) every single audio strip is 2 frames longer than the corresponding video clip. I think the problem ...
coffeeaddict's user avatar
2 votes
1 answer
2k views

Output vs Format vs Codec: what is the right combination?

Context My problem started with a partial lack of sound in my rendered file. The WAV audio strips were missing from the output, while the ...
Ciprian Tomoiagă's user avatar
2 votes
0 answers
218 views

No sound from WAV strip when encoding in MP3 (but ok from AAC strip)

Breaking down a bigger question: Output vs Format vs Codec: what is the right combination? In the same project, I have a WAV sound-only strip originating from a ...
Ciprian Tomoiagă's user avatar
1 vote
1 answer
153 views

Will audio render in sync, like when previewing in textured or solid mode?

I am trying to lip sync a character, which requires timing. In the cycles render engine in textured mode, things are slower but I animated the character that way, so my sound is in sync. But if I go ...
Nolan's user avatar
  • 493
1 vote
1 answer
441 views

How do I export audio in a video that is purposefully loud and distorted? (VSE)

I am editing a video in Blender's Video Sequence Editor (VSE) and I have a lot of audio that is loud, distorted, and clipping. This is intentional. However, when I render my final video, all the ...
RobotUnderscore's user avatar
1 vote
1 answer
10k views

How to export a .blend file to .MP4? [duplicate]

I have a very slow school computer and the school year is wrapping up soon. I'm using the video editing part of blender, putting in my own music and videotaping for an English project. I rendered it ...
lillybilly's user avatar
1 vote
1 answer
552 views

Sound (and occasionally video) disappears in VSE

newbie here. I was editing together some clips in the VSE. All was apparently well, but coming back it this evening, I find that only two strips are audible and only a few visible. I can't think what ...
Mark C.'s user avatar
  • 113
1 vote
3 answers
987 views

sound_bake in command line script

I'm making an audio visualizer which I want to render from the command line. Unfortunately the bpy.ops.graph.sound_bake() function seems only to work from the GUI. ...
Roland's user avatar
  • 33
1 vote
1 answer
289 views

No sound from sequencer in certain scene

I have a blend with two scenes, and the same audio strip is in both sequence editors. One scene has sound and the other one doesn’t, even though both strips are unmuted and have volume at 1. I vaguely ...
TheLabCat's user avatar
  • 6,684
1 vote
1 answer
240 views

Creating a storyboard with posing

Background: I've worked with Blender a lot in the past, but all I really did was create models. I never had to use it to animate or render anything. I basically never touched the cameras and lights, ...
user avatar
1 vote
1 answer
320 views

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

This is really strange - but perhaps it's just a setting somewhere. I'm using Blender 2.78c I've created a scene with video+sound (let's call it sourcescene) I'm using this scene as a scene-strip ...
Acebone's user avatar
  • 305
0 votes
1 answer
705 views

Sound works in Blender, but no sound in the final render

I set the video to understand Xvid, and I have a codec, but no matter what I try I can't seem to get the sound to work when it's finish rendering. It works before I render but once I render, the sound ...
NoSkillzAllPanda's user avatar
0 votes
1 answer
5k views

Where is Bake sound to F-curve in 4.0?

It`s not grey out, I litterally cant see it. I was looking in Key and Channel tab, and theres no sound option. Did they move it again somewhere or got rid of it?
Audio_Video_Enthusiast's user avatar