Questions tagged [audio]
Audio refers broadly to the information, be it acoustic or electronic, entering, traversing, or exiting some medium.
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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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Camera recorded audio and recorder audio differ in time
I have a Fuji X20 and recorded a video with it. The recorded MOV file contains a video stream of type H264 - MPEG4 ACV (part 10) and an audio stream with these parameters (VLC player)
Codec: sowt
...
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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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Do I need to spoof a VGA device to use the audio out on an hdmi/vga adapter as a monitor?
I'm using a Sony Alpha ILCE-6100 to do some promo videos. This camera does not have a jack for an audio monitor.
The best/cheapest workaround I've found is to use these:
Micro HDMI to HDMI adapter ...
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Can I check if audio was removed from a mp4 video file?
I have a mp4 video file that has no sound.
I would like to check if its audio was edited/removed.
Can I somehow check this in the meta data?
Are there any other hints that the audio was removed?
The ...
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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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Trimming mp4 file with multiple audio tracks
Setup:
For recording gaming footage I use OBS together with Voice meeter to split my audio sources for later editing with DaVinci Resolve.
I use the "Replay" function of OBS that records the ...
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Is there a way to quickly add a gap between audio clips?
I have multiple files with individual spoken words, each in their own audio files. For example Clip 1 is the word "One" and Clip 2 is the word "Two". If I want there to be a 2 ...
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Premiere pro dynamic audio waveform on timeline
I have used a variety of video editors and now am currently using premiere pro.
There is one thing that I find quiet odd when it comes to adjusting audio levels in premiere.
On the timeline when I ...
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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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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?
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How do I calculate the adjustment to a target dbFS? What's the formula?
For example, my peak volume is -4dB, but I want to increase it to -1dB (as per youtube recommendation). In the mixer master volume, which increase should I set? +3dB does not produce a -1dB peak.
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Applying Audio Effect to Entire Project
I'm working on a project made of hundreds of short video clips taken over the past year. Some indoor clips, some outdoor, some in a quiet environment, some in loud, etc. Naturally, they all have ...
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Software to swap audio tracks automatically
Is somewhere out there any software which can swap similar audio tracks ?
For eg. I record video and audio on camera, but I'm also recording the audio with external recorder on the top of the camera. ...
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ffmpeg split and concat flac audio file generates error "Application provided invalid, non monotonically increasing dts to muxer in stream 0"
I'm using ffmpeg to cut slices from a flac audio file then concatenate them together. I'm able to do this and the output file plays in VLC media player and appears to have the correct duration; ...
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FFmpeg Optimized File Size Video Loop
I am attempting to create a video loop by merging a 15 second video with about 4 minutes of audio. After finding a similar question, I found a command that loops the input video for the length of the ...
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When I play two or more audio tracks at the same time, is there a formula to reduce volume so it does not clip?
When I play two videos e.g. side by side, the summed up volume sometimes ends up clipping.
What I normally do, is lowering the volume of both the audio tracks (which have the same loudness), say of ...
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No Audio In VSDC editor
I finished recording a multi audio track recording on obs, and it has no sound (in the editor, as a video its fine.) I don't understand why.
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Is the audio from these videos in some weird format that I can't decode, or is it just corrupted?
I borrowed an Apeman A87 and used it on a road trip. However, the audio came out apparently corrupted except sometimes when filming indoors and with the menu set to the default language of the market ...
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DaVinci Resolve 16 playback sound not working (Linux)
With default configuration there's no sound present.
I've tried different speaker configuration without any difference.
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How to get external mic working through DSLR camera on Zoom on Mac?
I have tried taking the advice and plugging my mic into my camera, but it is now not working, for the question Noticeable video delay when connecting to laptop and DSLR + external mic. Now I am not ...
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Noticeable video delay when connecting to laptop and DSLR + external mic
I have a Canon EOS RP DSLR camera that is connected to the adapter through the battery, and plugged into a Pengo HDMI capture device, which is plugged into a USB hub (contains 16 USB ports), plugged ...
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