Questions tagged [audio]
Audio refers broadly to the information, be it acoustic or electronic, entering, traversing, or exiting some medium.
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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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Live Video: no weird sounds -- why? [migrated]
I was watching a music video of a live performance. At one point, the singer popped the microphone from the stand and later put it back. Both of these should have produced some sort of sound, but of ...
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FFmpeg - Take 128 Channel WAV and Transcode to MKV with 128 Discrete Mono Tracks
I have a use case where I need to take individual WAV files with 128 channels in each one and output corresponding MKVs with each source channel as its own discrete mono track.
I've been playing ...
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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 add audio every x time [ffmpeg]
I have a file video.mp4 and file audio.mp3, how to with the audio inserted every 2 seconds of video
i try it but doesn't seem right. Please help me!
ffmpeg -i video.mp4 -i audio.wav -filter_complex &...
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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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Why is ffmpeg modifying my 5.1 channel layout?
I have an AC3 sound file in 5.1 surround, and an MOV file with no sound. I am using FFMPEG to add the sound to the MOV file, and although it works succesfully, for some reason it is modifying the ...
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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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Why the DSLR camera audio was set at -12 db?
From the online youtube videos
It was mentioned that the professional audio equipment was usually set at -18 dbfs while the home ...
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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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Suitable codec and settings to encode videos that can be scrubbed back and forth for making transcripts
For scientific purpose, I'm encoding videos that are going to be transcripted. Since in the process of transcription the person who does the transcription needs constantly to jump back and forth in ...
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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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ffmpeg: Adding longer audio to shorter video, with video synced to end of audio
My audio file is longer than the video. I want to merge the two, but I want both audio and video to end at the same time, leaving black frames at the beginning of the video as the audio plays. How can ...
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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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Is there a video player that allows to reproduce one audio track through left channel and the other through right one?
I hope this is the right place...
I normally use MPC-BE and MPC-HC (which has quite audio processing options including a custom channel mapping, although it doesn't seem to go that far with tracks), ...
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why iMovie drops FPS when adding audio during export
I have a video file with 60FPS. When I add it to iMovie v 10.3.5 I can click share > file and I have option for example 1080p60 but as soon as I add audio track, I can no longer export it as 60FPS. ...
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Will moving a sound source in ATMOS just "blend" the sound, or will it create a Doppler-effect?
Intending to make a test video using Dolby ATMOS in Resolve 18.1 I wonder:
When I have a sound recorded at some fixed spot, and I want that sound to move in space via the ATMOS controls, will Resolve ...
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audio never lines up with video correctly
I'm using audacity to record my mic at 44100 hz and using obs studio to record my screen at 60 fps. when I start recording, I enable my mic on obs for a few seconds while audacity is also recording to ...
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OBS flipping audio inputs
I am using OBS with multiple audio inputs: built-in microphone, 2-channel USB audio input L, and R.
My OBS has all default audio channels off. And I have an "audio scene" to assign these ...
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resolve not aligning clips from waveform even though it is very clear where it should align
using resolve studio and trying to align 2 clips form waveform. but I end up getting an error saying it couldn't do it even though it should be very clear. I can easily do this myself but I want to ...
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How do you convert a folder of .wav audio into .mp4 video with a .png image file using ffmpeg in the command prompt?
I have tried to do
ffmpeg for i in *.wav; do ffmpeg -loop 1 -i image.png -i "$i" "${i%.*}.mp4" -c:v libx264 -c:a aac -b:a 192k -shortest %04d.mp4
but it doesn't work and I am ...
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What adapter do I need to merge two microphones as L and R channels?
I have a video camera and two lavalier microphones which both come with 3.5mm audio connections. My camera only has one 3.5mm microphone input port. I would like to mix both microphones, which are ...
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Need help compiling a custom, minimal FFmpeg build
I'm using FFmpeg's showspectrumpic function to generate spectrogram pictures :
I have a working FFmpeg build that does what I need, but it's quite heavy (almost 100mo).
Is it possible to compile a ...
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ffmpeg - How do I modify Channel Layout labels only on 8 separate mono audio tracks?
I have a QuickTime .mov file which has 1 video track (ProRes 4444 XQ) and 8 mono audio tracks, which combined make up the 5.1 surround mix and a stereo mixdown. Per delivery requirements, I need to ...
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Lengthening a song when producing a slide show on my new MacBook Air
I'm producing a slide show on my new MacBook Air but my song is too short. Is there a way to lengthen my 2-minute song to maybe 3+ minutes without making it sound edited?
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ffmpeg merge video with 2 audio files
What I'm trying to accomplish is the following:
I want to use ffmpeg (preferably a single command) to combine a video (video.mp4) file with an audio file (audio.mp3) and have some background music (...
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Is there "audio pitch compression"?
There are plenty of guides for shifting audio pitch, but is there a way to compress audio pitch?
I have a video that has a voice with a very low pitch and a voice with a very high pitch. I can shift ...
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How can I change the sample rate of an audio file, without re-encoding?
I have a lossy AAC audio file. I would like it to be slightly faster, and slightly higher pitched. I would like to avoid loosing any audio quality, such as by re-encoding the stream.
I am well aware ...
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Audio- The use of trrs cable
I didn't do any research until after lol. I bought a trrs to trrs cable. Will I be okay to use this for my H5 recorder to my Sony a6400 camera? Or will I need a trs to trrs ?
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How can I extract all the speech sections (as an audio file) from a videos?
I have several videos from movies, which contain sections where the characters are talking with other types of sections (background music only, sound effects, etc.). I'd like to extract the speech ...
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ffmpeg atrim not working with shorter video - results in same duration as wav file
I have a 16 second video that contains an audio stream and a 4:18 audio file (music). I want to fade the audio and trim it to end at 16 seconds. Here's what I'm trying:
ffmpeg -i test.wav -i test.mp4 -...
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'Maintain Audio Pitch' in Speed/Duration causes Audio Glitch
When I change the Speed/Duration of an audio track and check Maintain Audio Pitch, I frequently get a moment of louder audio immediately following the edit point. This is very frustrating…
Here's a ...
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Am I allowed to cut the music from the audio library of YouTube?
Thank you for helping me! I have a very simple question but I just can't find the answer to it: Am I allowed to cut the music from the audio library of YouTube (the one in YouTube studio)? So for ...
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What is the meaning behind video and audio framerates being different?
I am doing some transcoding via ffmpeg and am noticing video and audio FPS differing greatly. During playback there is no issue, everything is working as expected. So I am trying to understand what it ...
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843
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Volume Problems After Render (DaVinci Resolve)
In Resolve, my audio is mixed exactly how I want it. However, when I render the video out and play it back on other devices, certain pieces of audio are bizarrely off in terms of volume.
Example image:...
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Add/Replace something with silence DaVinci Resolve
Thank you for helping me. Now, my question is quite simple but I can't find the answer: How can you add silence in DaVinci Resolve? I'm switching from Audacity to Fairlight and in Audacity, I just ...
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DaVinci Resolve Fairlight advanced Noise Reduction
thank you for helping me! My problem is that I'm working with a very noisy microphone, so just enabling noice reduction in the fairlight options doesn't do the trick. I'm switching from audacity, ...
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FFmpeg seems to write bad .w64 files for pcm_f32le streams
I have a problem with FFmpeg when writing a pcm_f32le stream to a Wave64 file format (.w64).
Basically, only FFplay can read the file back correctly. I tried with VLC, but it seems it cannot read any ....
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Issue after importing video in Premiere
I imported some videos in Premiere Pro (MOV format, captured with iPhone), but after adding them to the timeline, they start to have issues, like video and sound not sync, and videos that repeat ...
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Script to cut vid into clips based on audio peak? [duplicate]
I have a video that contains screams at various points. Is there a way to (via script) cut the screams out based on audio attributes then merge all clips into one supercut of just screams?
