Questions tagged [audio]

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

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12 views

Only audio is playing when trying to replace the audio in video

I am trying to replace the audio with a new audio, I have gone through some SO questions and still having trouble solving the problem. As of now, I am getting only the audio with the specified ...
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16 views

What cable for 200' run between camera (video/audio) and ATEM switcher

I am running a video/audio signal from a camera in a lobby to a Blackmagicdesign ATEM switcher that are about 150' apart but cable run will be closer to 200'. The video/audio from the camera in the ...
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15 views

How to combine multiple audio tracks without sounding blasted?

Was going to make a combination of 9 covers of people singing the same song. I have it synced already and it is on sync, problem is its just sound like literal ear ache when played. How to fix?
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24 views

Audio clipping after amerge in FFmpeg

Hoping someone out there can help me with this audio issue I'm having using FFmpeg. I've written a bash script using FFmpeg that processes as source a broadcast quality ProRes (HQ) file with four mono ...
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17 views

Triming ogg files to an exact number of samples

Let me begin by saying that I'm not sure on which site on the Stack Exchange network I should post this, as the central theme is essentially codec internals. Background I would like to be able to ...
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1answer
10 views

How to record the voices of three people in a room?

We are planning to produce a Youtube channel, in which we interview one professor and one student at the same time, and we have very little experience with sound. A typical situation would be to have ...
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21 views

iPhone microphone compared to a professional microphone in an audio studio in 1980s [closed]

I'm just curious about comparing these two: iPhone X or iPhone 12 microphone A professional microphone in an audio recording studio in the 1980s Which one might have higher quality? Is it possible ...
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17 views

How to detect “late” audio streams in MPEG-2 TS (with ffmpeg, ffprobe or mediainfo)?

I am recording from my Linux TV-Sat receiver in MPEG-2 transport stream (mpeg2video) format. The recording starts before the actual movie, so it usually only has a single (local) audio stream in the ...
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5 views

Is there anyway to que voice to light effects in Sony Vegas Pro 17

I know the title is confusing, and that's because i'm not sure how to say it. I was thinking of in my videos having a little thing in the corner which lights up whenever me or one of my friends is ...
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1answer
15 views

Exclude audio from time remap

I am working on a project, I have separate a audio layer and a video layer (with the audio muted) and I have applied time remapping to the video layer. The issue is now that whenever the video slows ...
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1answer
24 views

Remove (or reduce) background music, and emphasise the background voice

I have a video with some people talking, but the music cover the people voices. I can find the music with app like Shazam. I know that remove the music is impossible. There is a way for reduce the ...
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21 views

how do I can check whether a sound clip I want to use is copyrighted? (I want to use it in a video and an app also)

as mentioned in title, I want to be sure that a sound I found on youtube (2 seconds long) is copyrighted (and also, if I will modify it (in audacity or something) will it still break copyright laws?)
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Audio distoreted after exporting on Premiere Pro

I just finished my video on premiere pro. The sound is nice when I'm listening to my premiere pro's video; however, my audio is distorted once I exported. I already used premiere pro before for a ...
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6 views

Audio/Video “Drift” on Mac (even when recording them using separate apps)

I have an older version of Screenflow (ver 6.x) and I find that it's getting so that my videos are falling out of sync with the audio (only noticed this lately, not sure if it is tied to newer ...
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1answer
53 views

Premiere Pro: How to sync speed ramped audio with video from linked After Effects comp?

When linking an AE comp through PP, the audio won't sync. This has been an issue forever. I film skate/bmx videos and it's essential that the speed ramp syncs with the audio so you can hear the cool ...
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1answer
37 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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33 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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26 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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59 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
90 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
70 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
34 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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10 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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7 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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13 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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15 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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47 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
33 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
132 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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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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6 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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7 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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12 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
14 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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9 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
145 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
20 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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24 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
62 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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21 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
39 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
415 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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37 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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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
86 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
148 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
21 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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18 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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