Questions tagged [audio]

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8
votes
5answers
18k views

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
3
votes
1answer
747 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 ...
3
votes
2answers
482 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 ...
2
votes
1answer
5k 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 ...
2
votes
1answer
771 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 ...
6
votes
1answer
2k 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 ...
2
votes
2answers
314 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 ...
3
votes
2answers
352 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?
0
votes
1answer
994 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 ...
0
votes
1answer
182 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?
0
votes
1answer
123 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.
11
votes
2answers
30k 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 ...
11
votes
1answer
949 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 ...
8
votes
4answers
15k 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 ...
6
votes
1answer
1k 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 ...
5
votes
1answer
652 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 ...
4
votes
3answers
3k 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. ...
3
votes
0answers
441 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 ...
2
votes
1answer
988 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 ...
1
vote
1answer
68 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 ...
0
votes
1answer
384 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 ...
4
votes
0answers
384 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 ...
3
votes
1answer
217 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. ...
3
votes
1answer
958 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. Is there a setting where I can ...
2
votes
0answers
109 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 ...
2
votes
1answer
260 views

Best sound baking settings

I'm building an audio visualizer in Animation Nodes. It's working well, but there's always just a strong peak, rather than well distributed activity across the board. I've been trying various ...
2
votes
2answers
1k 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 ...
2
votes
3answers
565 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 ...
2
votes
1answer
212 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 ...
2
votes
1answer
298 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 ...
1
vote
1answer
86 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, ...
1
vote
1answer
344 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. ...
1
vote
1answer
102 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 ...
1
vote
1answer
127 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 ...
0
votes
2answers
729 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 ...
0
votes
1answer
164 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 ...
0
votes
1answer
205 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 ...
0
votes
1answer
77 views

Voiceover in blender

So When my character speaks Im using shape keys to move the mouth. Just up and down. If I wanted to add voice, do I need to record this separately and then insert as audio? Im asking if blender has a ...