Questions tagged [audio]

Audio refers broadly to the information, be it acoustic or electronic, entering, traversing, or exiting some medium.

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19 views

How to automatedly synchronize video recording with pre-recorded music track?

When they film music videos ---ones that require the artist to lip sync in cooordination with a pre-recorded song--- do they synchronize the moment that the cameraman hits the record button on the ...
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27 views

5.1 audio on YouTube videos?

How do I get Stereo + 5.1 for YouTube videos? It has been a long time since somebody made a question about this topic on this forum and lots of stuff have changed sice then. So does YouTube support 5....
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16 views

ffmpeg: can't loop over files in folder to remove audio track f was unexpected at this time

I have a folder with .avi files: dogs dog1.avi dog2.avi ... Each .avi file has 2 audio tracks. I want to remove the first track. I can do if for one file like this: ffmpeg -i dog1.avi -map 0 -...
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44 views

How to input noise values in dBFS for ffmpeg silence detect

I used the silencedetect of ffmpeg with noise value of -30dB to get the silent parts of a small video file & used those timestamps to trim & re-encode the silent parts of the videos. I had ...
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1answer
28 views

What cable type (TRS or TRRS) is appropriate for connecting my Zoom H5 to my Sony A6400?

So, I have a Sony A6400 camera that I want to connect directly to my Zoom H5 audio recorder in order to record my sound directly onto the camera video without bothering to sync it up in my post ...
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15 views

Clip super loud after embedding

With Premiere Pro 14.8.0 on Mac OS I have a simple project. In one wequence I have 1 single video and one audio: The audio is nice and normalised, sounds perfectly all right. Then I embed this ...
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2answers
68 views

How to search for a sound in a video

I want to make a compilation video of Tesla FSD Beta's disengagements. When FSD Beta disengages, it makes a particular sound. I would like a piece of software I can use without having to code that ...
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1answer
29 views

How can I generate voice as someone elses voice?

I dont know if its possible but I would like to create voice similar to Gandalf from Lord of the rings. Is there some app or program which can help me? I know that I can use google translator but it ...
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9 views

Convert MPEG-4 movie file to proper pitch and time-length (currently too fast)

I've got a video of The Band's 1970 performance of Long Black Veil. It is in the key of Ab instead of G and the video is shorter in length as a result; it is a half-step up in pitch and x-seconds ...
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6 views

How can I automate cutting a video along loud beep sounds?

I recorded videos (mp4) of participants in an experiment doing a task at a laptop. There are three tasks, at the beginning and end of which there is a loud beep sound. I would like to automatically ...
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1answer
15 views

How does Premiere Pro keep markers on audio files even after export?

I opened a project with video and audio, and the audio had markers done in Premiere Pro (right-click on the playhead -> Add Marker). Then I exported the audio to AIFF. And then I imported the AIFF ...
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11 views

ovelays not embedding properly and no audio

I have a bunch of small mp4 files (without audio), and an mp3 audio file. Using the concat protocol, I concatenated them with -shortest flag ffmpeg -f concat -safe 0 -i "list.txt" -i ".....
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14 views

Move videos audio track few miliseconds further

My videorecorder made audio out of sync few miliseconds. Is there any way how I can fix all the footages in my timeline in Final Cut pro ? If not, maybe I can use ffmpeg to fix them at once somehow ? ...
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1answer
30 views

Is there a way to smooth random audio dropouts with ffmpeg or Premiere?

I have large amounts of footage with audio tracks that have random dropouts throughout which last for ~0.5 seconds each (all audio dropouts are consistent in duration). I need to smooth out the drops, ...
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1answer
23 views

Combining a short video and long audio file efficiently using Vegas or FFMPEG

I have a need to repeatedly create videos that have a short 15 second intro that fades to black and have really long audio tracks like 8 hours. I generate the video in Vegas and the audio in Cubase. ...
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2answers
63 views

ffmpeg + libfdk_aac + vbr => wrong “BitRate_Mode”

I'm trying to encode sample video clip or audio track with ffmpeg and libfdk_aac with variable bitrate mode-vbr 3: ffmpeg -i sample.mp4 -crf 21 -vcodec h264 -acodec libfdk_aac -vbr 3 -ac 2 out.mp4 ...
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11 views

What is involved in the film/sound synchronization process?

The title says it all: what is involved in synchronizing a film's audio and visual elements, particularly in regard to music. Given 30 seconds of video and 30 seconds of music meant to accompany it, ...
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5 views

Unable to Export Audio

I'm trying to export audio in version 20.08.1 by going to Clip > Extract Audio > Wave 48000HZ, but nothing happens every time I've tried. I can continue using Kdenlive, so it's not like it's ...
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5 views

Finalcut creates echo on export

I encountered an issue, that I can't figure out. In a simplified form: I have an audio track, I perform some volume adjustments, other basic settings, add a gain effect. It all sounds good in the ...
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11 views

Auto-combine and sync video of one file, with audio of another

⌘ On Mac, How do I automatically combine 2 files with similar video data, using: 1 file with good video, 1 with good audio, and have them auto-sync via matching video frames? 📄 Provided files Say I ...
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1answer
13 views

Audio not detected with Transparent Video Formats (Quicktime - PNG/QtAnimation- AAC/PCM)

On importing a transparent .mov file (Quicktime - PNG/QtAnimation- AAC/PCM) , the audio is not detected by the Videoeditors (Powerdirector17 < Davinci Resolve doesn't support the above format> )....
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7 views

Merge balanced channels into unbalanced mono in Kdenlive

I'm trying to handle my DSLR recording where sound is recorded from balanced input, so R=-L. Is there a way to merge it into one mono channel by subtracting one channel from another? Or, alternatively ...
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1answer
80 views

“Cannot find a matching stream for unlabeled input pad 2 on filter Parsed_amerge_2” ffmpeg

The error I'm getting is in the title. I want to merge the two audio streams from a video into one (yes, I've checked if there is two and there is). This is the command I'm using: ffmpeg -i input.mp4 -...
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1answer
18 views

Adobe Premiere won't update audios

I'm having a problem where if I edit an audio clip that is used in my Premiere project with Audition, the change isn't heard in Premiere. Here are the steps that I'm going through: I have an audio-...
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1answer
23 views

Does sound from boom operator mic end up being used in final mix in high end production or only used as reference for voiceover?

It seems like it is usually very noisy on set, I hardly can imagine that the sound from boom mic is good enough, so I wonder about its true purpose 🤔
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1answer
56 views

How to fix this screwed part of Audio

i am new to video production , and i know that audio is a big part of the production process and cannot be messed up . here is a audio that i recorded and then reduced the noise from audacity and ...
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0answers
15 views

Add external mic using Sony “A/V R” plug

I have a Sony HDR-CX100 video camera that I would like to connect an external mic to (3.5mm plug), but the camera has no dedicated mic input. However, it as an "A/V R" plug: Before you say &...
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1answer
24 views

Loop images until the audio ends

I have an audio file 2 hours long and 30 still images related to the audio. I would like to display each image consecutively for about 45 seconds while the audio is playing in a repeating fashion. ...
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1answer
156 views

Premier Pro Audio Quality Poor and Muffled After Export

I’m currently exporting a video on Premier Pro using the default YouTube 1080 HD settings. Usually, my videos export with no problem, but with this video, my exported audio is extremely muffled, even ...
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1answer
31 views

What is the meaning of “channels” in an audio recorder program?

I compiled and ran this audio recorder program derived from JUCE: https://gitlab.com/DamienAuvray/simpleaudiorecorder I can see that it has the options of selecting channels. I am a newbie in this ...
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12 views

Seeking for advice with dealing with out of sync audio

I have a bunch of videos from games caputured with NVidia's Share. They are trimmed using VLC. I have one video that is 1 minute and 38 seconds long (a lot longer then the others). If I play it in VLC ...
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3answers
55 views

How do you reduce wind gust sounds from video?

So I've looked at a bunch of videos and all they describe is how to remove ambient wind sounds so that you can hear someone talk. Or how to remove the low hum of wind. And if it's the wind sound is ...
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2answers
87 views

How to make a SMALL video from single still image + audio, one key frame and all the rest p frames or whatever

I have a WhatsApp message of 1 hour duration, it is an .ogg audio of less than 9 MB in size. I want to upload it to YouTube, so I have to make it at least a single-frame video. So I made a JPEG cover ...
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1answer
17 views

Easy way to create AudioGrams, ideally with waveform & Subtitles / Closed Captions with progressing marker on them? Free to start with?

Easy way to create AudioGrams, ideally with waveform & Subtitles / Closed Captions with progressing marker on them? Free to Start with? Easy way to take my writings; quotes, poems or short ...
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17 views

Script works on some files in batch but not others, any advice?

I'm trying to convert a batch of (mostly) .mxf files (4 channels of audio) to .mp4 files (stereo audio) taking the first two channels from the source using the following script: #!/bin/zsh for i in *....
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1answer
24 views

Limit the scale of a pick whipped object

I want to make a speaker graphic 'wobble' to different frequencies.. Here's what I've done so far I made a speaker graphic in a comp And I parented the scale to a null in the main comp And I isolated ...
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1answer
23 views

After Effects Audio Ahead of Video in Preview and Render

I was working on my first large-ish upload for youtube, put it together quickly and didn't notice until it was complete that almost the entire video was riddled with audio desync issues. You can find ...
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43 views

Is there a hardware acceleration for audio encoding?

Video encoding with HW acceleration takes way less time than audio encoding. Is there a way to convert ac3 to aac faster?
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33 views

Why does audio not work for this mp4 when played on IPad with headphones plugged?

I'm hosting this video : https://itype.techforge.com.au/assets/videos/repeated/WordRat.mp4. It seems to work fine unless you happen to be on an IPad and plug the headphones in. With the headphones ...
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1answer
108 views

ffmpeg: convert an existing audio stream as an additional audio stream (keeping untouched original as well)

I have a video with 1 video stream, 2 audio streams (TrueHD 7.1 and E-AC3 5.1), a bunch of PGS subtitles and chapters. I want to copy the video, convert the 7.1 audio into AAC, copy over the original ...
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1answer
33 views

AfterEffects: How to make audio sine waves like this?

Alright, there are many tutorials on audio spectrums in AE, like https://www.youtube.com/watch?v=H_-aycDYsJM I want to make a visualizer like this, however, where the waves more mimic sine waves: ...
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1answer
108 views

How to filter out overlapping audio? Given a mixed track and one stem track, what's the best way to “subtract” the stem from the mix?

Given two audio streams, I'd like to remove the audio in one stream that also exists in another. In this particular case the 1st stream contains everything mixed, and the 2nd stream contains just the ...
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29 views

Trim Audio Only of a Video file - FFMPEG

I have a mkv file containing a Video 1 minute shorter than audio. I want to Cut out first 1 Minute of Audio Stream. How Would I accomplish That With ffmpeg? I tried -ss 00:01:00.000, But that also ...
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52 views

How to compare the audio/video synchronization in video clips?

I have two video clips of the same music video. Both are made of the same video and audio tracks but of different sources and quality. One of them is a rip from an officially released media, so the ...
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1answer
18 views

Extract audio from a multichannel video file

I have a QT ProRes which has 8 audio tracks. L/R/C/Lfe/Ls/Rs/Ltotal/Rtotal What I need to do is extract the 5.1 (tracks 1-6) into separate individual wav files without recompression and the last 2 (...
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1answer
20 views

Video editing software for easy freeze frame voiceover

I'm currently using Movie Studio Platinum 16. When I need to make a voiceover (e.g. for a product presentation), I like to do it without a carefully planned script, just talking over the video and ...
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1answer
238 views

Working on audio effects for multiple clips at once

My problem is that I have many clips with audio and I need to remove, modify and apply audio effects to all of them at once. Initially, I added an audio effect to a long clip and then I split it in ...
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1answer
32 views

Raising volume of one mic in an audio track to meet others' mics volumes

I have a long video where I and other people talk. Whereas the voices of others sound good, my mic captured mine with a very low volume. The problem is that the video is long and voices alternate, so ...
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1answer
159 views

How can I prevent YouTube from distorting the audio in my QuickTime video?

I recorded about 20 MP4 clips: most on my Android phone with the stock camera, a couple from Facebook (downloaded from the mobile web view), and one from a Zoom session. I cropped or scaled and padded ...
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0answers
20 views

How to replace non-looped audio to video as looped using FFMPEG?

my command is this "ffmpeg -i nonloop.wav -i input.mp4 -vcodec copy -max_muxing_queue_size 9999 -map 0:0 -map 1:0 -shortest output.mp4" that produces 0:00:01 duration video with audio ...

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