Questions tagged [audio]

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

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5 views

Play two soundtracks, from an “mkv” movie, on two different devices

I have "mkv" movies with two soundtracks, one English and one French. I'd like to play the video and the French soundtrack on my TV and the English soundtrack on my bluetooth earphones. Is there a ...
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17 views

Audio normalization across multiple clips and for Youtube, in After Effects

I am trying to normalize audio between the clips in my timeline, and at the same time I want to make sure that the overall volume matches Youtube's guidelines. I wonder if I can read the peak ...
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10 views

ffmpeg audio ADTS error when m3u8 has id3v2 tag

I'm trying to download a video from a VOD service. But when I access it using ffmpeg and try saving ffmpeg will fail with audio error. If i skip audio I can save the video, no problem. Here is ...
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17 views

Looking for a video editor app with visible audio track of main video?

I am looking for a video editor app on both Iphone and Android phone, better if free and accessible on both platform. I am looking for a video editor app with visible audio track of main video. I have ...
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12 views

Best way to go from DTS-HD audio track to any similar DOLBY (New Samsung without DTS support) [closed]

I'm looking a lot about this subject, would like some help to close it. The main goal is to watch high quality movies on my 4K TV with great audio too. My gear: - Samsung TV that does not support ...
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1answer
17 views

With ffmpeg how do I imply spatial position when mixing mono to stereo

I have a range of mono audio samples and have worked out how to play them at specific time offsets but would like to give some indication of 'where the sound is coming from' I have the x and y centers ...
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5 views

How do I clean up fuzzy audio from internal mic in Lightworks?

I am currently shooting some YouTube videos using a Canon 250D DSLR but haven't gotten round to getting an external mic yet. I'm learning to use Lightworks and am wondering if there is a way to clean ...
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1answer
35 views

What is the typical audio to video sync threshold when it becomes noticeable? [duplicate]

At what point does audio / video delay become noticeable or is there a general industry standard threshold?
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1answer
30 views

Are most scenes in movies voiced over in post production?

In this B roll of Harry Potter, one can see how the same scene (how they walk out of the water and up a hill) is filmed multiple times. I guess that the final scene will be made up by several of ...
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1answer
21 views

kazam no sound and no red border for screencast

kazam worked fine on ubuntu 19.04, recording audio and video, and showing the red rectangular border during screencast recording; after installing ubuntu 20.04, kazam (from the repository) records ...
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37 views

FFMPEG command to mix audio and video with adjustable volume, plays till Video length and loop audio entire video

I have: Video file of X length Audio of Y length I am trying to achieve an output video that has the following qualities: The volume level of the added audio should be adjustable The audio should ...
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5 views

Bell sound coming at the end of the end of the silence layer

This is my first attempt at editing a video(.mp4). I am using VSDC video editor. I am trying to mute a porting on the audio layer. I added a silence portion as can be seen in the image below: ...
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1answer
200 views

Export timeline with multiple audio tracks as video with single audio track in DaVinci Resolve 16

Disclaimer up-front: I'm a beginner when it comes to video editing, so I'm maybe using the wrong terms to describe my problem. The task So I'm working on an OBS recording of myself, where I wanted ...
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8 views

How to generate a silence audio file of accurate duration in milliiseconds using ffmpeg in Node JS?

I am using ffmpeg npm package in Node JS for processing my audio files. My application usecase is that there will be a meeting recording which will happen for every attendee who joins the meeting and ...
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1answer
20 views

FFMPEG how to add image and soundwaves to video

I have an mp3 song that I am making a video for, I also have a background image. My command that doesn't work. ffmpeg -i song.mp3 -i image.jpg -filter_complex \ "[0:a]showwaves=s=3840x200:mode=line[...
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1answer
38 views

Create one split screen video, separate audio streams and a thumbnail from the resultant split screen video - all in one pass

I'm using ffmpeg to create several single splitscreen videos out of 2 separate videos. The 2 videos have audio so I want to extract the 2 video's audio streams as 2 separate mp3s and also create a ...
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4 views

Is there a name for the technique where dialogue pitch is reduced?

I've noticed a video/audio trend recently in media that is satirical or comedic with a serious twist. Usually, a newsreader or presenter, though not always, will be speaking to the camera about ...
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1answer
9 views

Change the speed of clip based on sound track in Premiere pro

We are currently creating a virtual choir project and we have the tracks from the people already. I am the video editor, we have a sound designer as well. He is making the rythm of the sound perfect ...
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1answer
48 views

FFmpeg convert G.711 Audio to AAC Audio

Is it possible at all to convert G.711 audio to AAC audio in a stream using ffmpeg? My cam is streaming fine in Chrome (video + audio) but all the other browsers have no audio. I would appreciate any ...
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1answer
44 views

ffmpeg take channels 7+8 and make a stereo

I have a 8 audio track mov file which I want to encode to mp4 using ffmpeg BUT take the tracks 7+8 and put them as stereo with 320k and 48KHz to that mp4. My line is this: ffmpeg -i %source% -map 0:0 ...
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1answer
18 views

Where can I find build in sounds in fcpx

I a editing a video and I want to add some sound effects ie by some places add some small Bits of audio. Is there built in audio files in fcpx like in iMovie? Or do I need a plug-in? And if that is ...
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1answer
10 views

Is the boom mic recording audio?

Is the boom mic recording audio or do I need an audio recorder to hook it up to? Sorry I am the biggest amateur.
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23 views

Can I filter the audio output of the final mix of a scene

I have a scene in OBS with two audio sources. I can filter each audio source individually, but certain effects (e.g. compression and limiting) need to be run after the two sources are mixed together. ...
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1answer
35 views

VSDC, No audio while editing (Preview)

There is no audio when I preview the clips while editing them. The project is on stereo, the latest update installed, "Don't Use Audio" is not selected in the clip's properties menu. Let me know a ...
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2answers
930 views

How I can play an Amazon Prime Video movie with Dolby Digital Plus audio using Chrome browser in my PC?

Currently my web browser Chrome (last version 80) cannot play Dolby Digital Plus audio. I know this audio is used in other devices like Apple TV, Roku, or Amazon Fire TV for example. According to ...
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12 views

Normalize audio in multiple clips in AviSynth+

I want to normalize or equalize the audio from the concatenation of multiple files from a show. They were taken in similar conditions with similar room tone. The Normalize() filter can adjust the ...
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10 views

How to add a still image at the beginning of a movie in AviSynth+?

I want to add the poster of a show at the beginning of the footage in AviSynth+. I tried this: poster=ImageSource("F:\poster.jpg", FPS=25, End=125) FadeIO(poster, 50) FadeIn(clip1, 100) and I get ...
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78 views

Quick audio cleanup filters in Kdenlive

I have a project where people are talking in amateur footage. That means no lava or overhead microphone. Just digital camera. A lot of outside noise is caught. Is there a filter, multi-band equalizer,...
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0answers
39 views

Is it possible to remove this noise in Davince Resolve?

I am new to video editing, so I'm sorry if this question is very basic. I have the attached noise in a few audio clips which was recording using lavalier microphone and I don't know how to remove that ...
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11 views

Why does my camcorder keep breaking my earphones?

I use low grade brand less apple knockoff earphones and my HXR-MC 2500 keeps breaking them. I plug my low grade TRSS earphones for audio monitoring, when my job is done after a hour recording I plug ...
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88 views

ffmpeg dynamic filter values from piped input

I need to run an audio filter on a piped input using its own lufs value as a variable, without writing to disk. I previously bounced the piped input to processedaudio.wav and the command works as: ...
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1answer
752 views

How can you use ffmpeg's afftdn -sn flag to sample noise from a reference noise file?

The FFmpeg documentation for the afftdn audio filter says for the -sn flag: sample_noise, sn Start or stop measuring noise profile. Syntax for the command is : "start" or "stop" string. After ...
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1answer
544 views

How to tell ffmpeg to copy all streams except one audio stream (to encode)?

Input: * One Video * 4 audio streams * Many subtitles * Chapters I want to re-encode one of the audio streams (the first one) and keep everything else as-of (copy). Is it possible to do that in ...
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0answers
20 views

How can I mute part of a video clip with fading (fading out before fading in the audio stream)

I want to remove part of audio in a video clip. I have used https://stackoverflow.com/questions/54992785/ffmpeg-remove-a-part-of-audio-in-mp4-file-but-not-all to mute audio between t=5.5 seconds and t=...
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2answers
955 views

Change default audio track in mp4 video

I often download mp4 videos with multiple audio tracks. Is it any way or some tools with explanation to change default audio track ?
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15 views

No Audio in Pinnacle Studio 23

I have been using Pinnacle Studio for a while. I recently upgraded to v23 latest version. At the start everything was fine but when PS freezed due to some error (e.g. mkv file playback) the PS losts ...
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1answer
110 views

Fixing audio/video out of sync when editing recorded broadcast

I have recorded broadcast-ed material using a DVB-T tuner. That produces several TS files per recording (most likely to keep filesize within FAT32 limitations). I have concatenated each recording ...
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1answer
417 views

Variable bitrate for AAC - how to reach it?

I tried encoding audio stream into AAC with a variable bitrate mode — I followed the advice from FFmpeg VBR Settings and changed my original option -b:a 128k to -q:a 1.3 in this original command ...
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1answer
165 views

Why I can't check the bit rate on some videos?

I've downloaded a video from YouTube, well I've downloaded the video stream and the audio stream of a YouTube video separately. Then with this ffmpeg command ffmpeg -protocol_whitelist "file,http,...
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7 views

My nested audio doesn't work even it has the waveform

Hi. I'm a newbie video editor using Primiere Pro CC 2019. I Nest my audio in one sequence so I can edit them easily later on. However, when I'm editing a long nested sequence, the audio doesn't work,...
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1answer
26 views

What is this effect used by a lot of voice actors called?

I am looking for a specific voice effect that I have listened to in many videos on YouTube and other places. I don't know what it is called and it also does not sound natural. Here are examples - ...
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3answers
165 views

Extract audio from video preserving audio quality

I need to extract sound from videos. There must be know loss of quality (since the sound files will be used in speech-to-text services). So I want to extract the audio from the video exactly as it is ...
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0answers
515 views

Audio hardware not working in premiere pro 2020

In premiere pro 2020, I have no audio playback during preview. In the audio hardware tab in preferences, it's telling me that the default input and output devices are not working. Sound works fine in ...
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1answer
7 views

audio jumps to next frame rate - premiere pro

I have the following problem: 2 video clips with two audio clips. I try to synchronize them with the option "show audio units" to make them perfectly alligned. The problem is, when I select both video ...
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1answer
77 views

Screen recorded videos have audio sync delays in Premiere Pro

I imported several MP4 screen recordings (using Windows Game Recording) into Premiere Pro to edit together, but I noticed all but one of the clips in the timeline have unsynced audio issues. After ...
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2answers
206 views

how can I convert slow motion video into normal speed without losing fps or audio sample rate?

I want to download a slow-motion video playlist (with the frame rate of the videos being either 480 fps or 1000 fps.) and be able to speed up the videos at least 16x without losing the frame rate or ...
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1answer
801 views

Is there any way to record external audio from a Canon Rebel R6?

I am looking at buying a Canon Rebel T6 to record video, but would like to have better audio than the built in microphone. Is there any way, with an adapter or otherwise, that I can use this camera to ...
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0answers
30 views

Exporting from Premiere as WAV and ProRes - audio is not in sync

My workflow: I've completed work on a complex edit. I have made two exports: I have exported the video (with audio) as a ProRes file with 48kHz 16-bit PCM audio. I've also exported the sequence as ...
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1answer
45 views

How can I copy-paste audio effect to other audio clips in VideoPad?

I took quite an effort to specify an Amplify audio effect with changing levels (in and out). I have more audio clips there for which I would like this effect too. Is it possible somehow copy-paste the ...
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11 views

Need help with sound design

I'm making a mashup video where the spiderman theme song is sung by the original spiderman movies. I'm trying to achieve something like This (example video). This is what I've made so far. I'm ...

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