Questions tagged [audio]
Audio refers broadly to the information, be it acoustic or electronic, entering, traversing, or exiting some medium.
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Why does my final video lose one of the previous audio tracks?
Ok. I have to say that I’ve been trying to solve this problem for a little over 6 hours, but I just can’t figure it out. If anyone has an idea of what could be happening, I’d appreciate it in advance. ...
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How to use copyrighted music or sfx in a youtube video without resorting to fair use
I'm a new youtuber and I would like to learn how to use copyrighted content (specifically audio clips) in my video. I don't know how to approach getting legit permission to use copyrighted content in ...
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What parameters do I use for ffmpeg to encode video for a Playstation 4 so that both video and audio work even in PSVR
I have seen parameters that work for video but the audio does not play. I'm trying to watch through PSVR. That's the first headset to come out for the play station 4 console.
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How to encode aac_at with variable bit rate
What options are there to encode at variable bit rate with aac_at?
aac_at seems to be the best aac encoder. I have used it to convert opus audio (because macOS older than Sonoma do not support opus) ...
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Complex audio mixdowns and mappings with FFmpeg
Looking for a way to use FFmpeg to take a single video file with 10 - 20 audio tracks and generate a series of video copies each with a different configuration of audio mixing and mapping.
For example
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How to mute parts of the video without using professional software?
I want to eliminate some of the swearing in the video and leave the rest untouched. I don't want to cover the swearing with other sounds, just mute the swearing. That's the only thing I need, and I'm ...
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Can I assign multiple language-dependent audio tracks to youtube video?
(similar to Does YouTube allow multiple soundtracks)
I have prepared a video that has subtitles for two different languages, and I have isolated audio-only track for these two languages, too.
The base ...
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Kdenlive, fade out cannot applied on certain clips. why and when?
Lastest Kdenlive 24.02.2 Mac os
I am about to fade in a custom sfx, and fade out original audio; at the same time. Somehow kdenlive yield cannot add effect to the selected clip I really wonder why. ...
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What term is used to refer to audio filters that take two source tracks, one of which mutes the other?
I'm trying to recreate an audio effect that was shown to me in OBS (though this was shown too long ago for me to remember how to do this) in post production, but I simply don't know the actual term ...
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Channel mapping in FFmpeg conversion of Dolby 7.1 mlp file to 8 channel wav file
I have a mlp file with 7.1 audio with the following channel mapping (viewed using MediaInfo): L R C LFE Ls Rs Lb Rb
I want to convert it to an 8 channel riff64 wave file, so I'm using the following ...
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How to delay beginning of audio without re-encoding?
I have a file containing both video and audio stream. I want to delay the audio by 5 seconds relative to the beginning of the video, without having to do any re-encoding.
The command I tried was:
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Galaxy A03s Not Recording at 30 FPS Constant - Mouth Movement and Audio Out of Sync
I have an unlocked Samsung Galaxy A03s [1]. Per the Samsung website, it's supposed to be specked at FHD (1920 x 1080)@30fps. Unfortunately, I almost never get it to actually record at 30fps constant. ...
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What can be done in this video to solve "the air-conditioning problem"?
This lecture seems to have been filmed in a classroom with ar conditioning. I can see the professor is using a microphone that's very close to his mouth. I would like to also record lectures like ...
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ffmpeg copy some audio streams and re-encode some audio streams
The Problem
I have a mkv file that contains audio in a format that not all my devices support. To get full support, I want to copy that audio and convert it while retaining the original audio.
Input:
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Processing h264 video/audio stream
I have separate raw audio and video frames from a camera that I'm trying to merge to a single file.
Video processing
I have JVT NAL sequence, H.264 video, main @ L 31 data, I had the frames separated ...
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How to get a 7.1 PCMle encode in an MOV container to stay a single track while also rendering as 8 mono tracks in an NLE like an MXF container
I've been trying to convert Blu-Ray footage to the most efficient, yet least time consuming format for editing footage from them. For a while, I would make an MXF container and encode the h264 to ...
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Downloading an HLS stream: ONLY in sync when downloading with ffmpeg. Possible explanations?
I'm trying to download a livestream that is just a plain hls with no encryption. I usually use streamlink, but this site I'm trying to use recently doesn't output a correct video/audio synced output ...
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Audio missing from clips, standard solution not working
Adobe Premier, Windows 10: I accidentally deleted some audio from some clips I had edited in the timeline by just moving one clip's audio over the other clip's audio in the same audio lane. I have ...
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Setting the default subtitles
I managed to create the subtitle file, using different language with one single FFMPEG command:
ffmpeg -y -loglevel "repeat+info"
-i "file:Intervista.mp4"
-i "file:...
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Why does removing an audio track in Handbrake reduce volume?
I am transcoding a couple of blu-ray videos using Handbrake (v1.2.2). I play the resulting MKV containers mainly using Video LAN Client (VLC).
Often a blu-ray has several audiotracks that are ...
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Where to find alternative audio tracks for TV series
How can I add several audio tracks with different translations to a series, as film sites do in some series with 10 translations, where can I find them?
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ffmpeg - converting one audio track of a multi-track mp4
I'm having a few mp4 with two audio tracks,
an english one in aac and a french one in dts.
Now I want to convert only the french dts to eac3 with a single ffmpeg command.
I use
ffmpeg -hide_banner -i ...
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kdenlive no audio in rendered video
operating system: ubuntu 22
kdenlive version: 21.12.3
Audio is available in editing mode and can be played, however, after the project is rendered/exported into a file, video is fine but there is no ...
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Possible to force FFmpeg to omit silence in audio files and produce discontinuous `webm`/`mka`?
Does webm/mka/mkv/mp4 support discontinuous audio streams?
I'm wondering, can ffmpeg transcode .wav-audio into opus-encapsulated-into-webm, but filter out silent frames - especially full seconds of ...
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Combine images and draw text on each image with animation xfade
I am using ffmpeg to merge multiple images and an audio to produce a video. I am using drawtext and xfade with dissolve transition. My ffmpeg command is given below.
ffmpeg -loop 1 -t 5 -i ./img/img0....
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Cutting and rejoining videos causes audio de-synchronization using ffmpeg
I'm trying to cut a video into pieces and rejoin them using ffmpeg on Windows 11 x64. Here's the details of ffmpeg:
ffmpeg version 2023-11-22-git-0008e1c5d5-full_build-www.gyan.dev Copyright (c) 2000-...
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ffmpeg from 5.1 or 7.1 audio in separate mono streams to stereo
I have a file with 7.1 audio, where each channel is in a separate mono stream. How can I convert all these mono streams to plain stereo?
(The documentation suggests to use the -ac 2 option, but that ...
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Davinci resolve stops generating subtitles in specific part of timeline
I'm having an issue generating automatic subtitles over a specific portion of my video. it worked just fine scanning the middle to end but it only gets off 2 subtitles in the beginning then stops for ...
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variable timestamps for audio samples in MP4
Consider the following ffprobe output for a MP4 file. This is an extraction of first 10 frames in the audio stream and its metadata. The audio stream has a sampling rate of 48000, and is encoded with ...
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How can i go higher than the frequency limit set on EQ band 6 automation in davinci resolve
Very new to audio stuff so sorry if i get some terms wrong in advance.
I'm using automation to keyframe the frequency on band 6 in the EQ as shown here
Even when it hits the bottom, i still dont feel ...
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Need a program to make youtube videos with
I'm currently working on a youtube project with guitar playing in the videos. Is there any one program I can use to do this? I don't mind if it's paid or free. I need to capture both audio and video ...
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Stripping audio and subtitle tracks and converting subs to ones that LG C2 Media Player recognises
I have a complicated video file (.mkv, 12.78 GB, 2160p) with two audio streams (MLP FBA 16-ch and AC-3, respectively), and 11 subtitle streams (all of format PGS and Muxing mode zlib). The native ...
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Frame-perfect audio cutting using ffmpeg filter graphs and frame filtering
I'm curious, is it possible to do frame-perfect audio cutting using ffmpeg's complex filter graphs + frame filtering aselect functionality?
I've tried a bunch of other approaches (using -segment_times ...
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Should this audio file have ogg or opus as file name extension?
bash $ mediainfo myaudio.opus
General
Complete name : /Users/qaz/myaudio.opus
Format : Ogg
File size : 3.52 ...
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Video editing software that automatically performs search-and-replace
My employer owns a number of video recordings that discuss a company product. Many of those videos were created using Camtasia, a commercial video editing software product. The video recordings ...
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Why can't I render these videos without audio being out of sync?
I've pulled out all guns to merge 13 episodes into one video, failing and staring at a brick wall. I've rendered on KDenlive in Linux and Davinci Resolve on Windows.
I even screen recorded the whole ...
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how to extract segment of input.mov, loop an image at the end, and then replace audio with segment of audio file?
I've got a movie that I captured with my iphone. Let's call it input.mov. Having edited this video using my iphone, it appears to have dimensions of 1370x970, at least according to the iphone's ...
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using ffmpeg, how to concetrate multiple videos into one, but audio will be sync per video in linux?
using ffmpeg, using ffmpeg, how to concetrate multiple videos into one, but audio will be sync per video in linux?
I have tried async, vsync, atempo but i dont know how make ffmpeg to autosync audio ...
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ffmpeg - Copy the first 2 tracks of audio to new 6 tracks so all 8 tracks contains audio from the first 2
I have a 2 audio track mxf file and need to clone the video but create 8 audio tracks. The tracks 1 and 2 should be copied into 3 and 4, 5 and 6 and 7 and 8. Some files that I'm dealing with are 4 ...
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Adobe Premiere Pro clip audio works in Source panel but not timeline
I have a Adobe Premiere Pro CC 2017 project with an mp4 in the sequence.
That mp4's sound plays fine in Source Monitor.
And its sound plays fine if I right-click the mp4 in the Project panel and ...
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opus decoding in ffmpeg: how to pass target sample rate and ensure libopus decoder?
As I understand, ffmpeg compiled with --enable-libopus has two opus decoders: builtin and libopus. I am decoding an opus file to wav.
How can I know which opus decoder is being used by ffmpeg?
...
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2 video files, one has the audio with 15FPS, the other has the video with 5FPS, audio is out of sync
I'm trying to sync the audio and video of 2 different files, one is a 15 FPS webcam stream with audio and the other is a screen share with 5 FPS. This is an educational setting.
I'm trying to do the ...
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Using ffmpeg audio filter loop instead of stream_loop as stream_loop adds a delay
I want to loop an audio file infinitely. The -stream_loop -1 option adds a small pause / jerk between the loops, as also mentioned in this question with no solution.
The same question mentions that ...
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Can FFmpeg perform audio phase subtraction?
I can do audio phase subtraction in Adobe Audition like so:
How can I do this with FFmpeg? Is it possible?
I've googled for audio phase subtraction, and looked at ...
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Premiere Pro offline transcription engine via CLI?
How can you access Premiere's local transcription engine outside of Premiere? Is there CLI access? I want the raw (hopefully JSON) data for analysis and additional per-word processing with time codes.
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Removing parts of audio while leaving other parts intact
This is a bit of a niche question but, I recorded a video with a strange bird call that I was going to post somewhere for someone to ID it but there were people talking so you can’t hear the bird call ...
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Recording webcam got too big file in 12 hours, spliting the file takes much less space
Sorry I do not give better details, I am too new on this
this weekend we left OBS recording a small portion of the screen, with audio, for an university experiment (we have a software that analize ...
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ffmpeg how to change audio tbn
I changed my video container with:
ffmpeg -hide_banner -y -i in.mkv -c copy -video_track_timescale 1k out.mp4
But video_track_timescale only changes video tbn, not audio tbn.
To check it:
ffprobe -...
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Missing speech at a certain part of video
new here and to video production in general.
The issue I have is audio-related.
Background:
I have this video clip made by a vendor - it has background music, speech, visuals, etc. The video clip ...
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Syncing hard-coded text with audio
Perhaps too basic for this forum... but it might help someone in the future.
I want to make translated lyric videos, with the lyrics hardcoded onto the video (English on top, my translation in my ...
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