Questions tagged [audio]
For questions about the recording and playback of speech and music on your computer, as well as for problems about the sound component of videos.
7,326
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Why is there no audio on a newly installed Debian Trixie with XFCE, dual booting on Macbook Pro 2019 with Intel CPU and T2 chip?
There is no audio after dual booting Debian Trixie with XFCE, used ISO CD and Ethernet cable, on MacBook Pro (2019) with Intel CPU an T2 chip.
I followed the steps on this site.
(A) For PipeWire
$ ...
0
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0
answers
47
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How to stream integrated camera to Facebook using FFMpeg
I'm currently using this command to stream to Facebook:
ffmpeg -f dshow -i video="HD User Facing":audio="Varios micrófonos (Realtek(R) Audio)" -c:v h264 -pix_fmt yuv420p -r 30 -g ...
0
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144
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Separating audio m4b file based on a cue file
Separating audio m4b file based on a cue file
How can I split an audio m4b into separate files using a cue file?
Note: The m4b file has no chapters that's why I need to use the cue file to split it.
I ...
0
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0
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15
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Changing Video's Sound with another sound with using Shotcut
I want to replace the sound of the video file I have with another video file. I use a program called Shotcut. I have a 250 mb video, mkv file, audio in opus. I change the sound with Shotcut and select ...
0
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1
answer
12
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sox became buggy after MacOS upgrade to Ventura 13.6.5
I installed sox using homebrew. It ran without problems when I was using Big Sur (10.16). However, after updating to Ventura (13.6.5), when I try to play an audio file, it freezes with the following ...
1
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0
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130
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Bluetooth audio device connected and working but not listed by bluetoothctl
I'm using a bluetooth audio receiver called JR-CB1 to send my laptop's audio to my stereo. It has a strange issue where when it is connected, bluetoothctl is not aware of it. It is properly paired and ...
1
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0
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56
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How to achieve the same performance of Geforce Experience using FFMpeg screen capture
I have a NVidia card and currently use Geforce Experience to do screen capturing. GE performance is really excellent and even if I record a video in 4K, 60 FPS, and high bit rate, I don't experience ...
0
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92
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Loud whistle noise from aio fans under load
When under load such as when doing demanding tasks on my pc, my aio (Corsair H100x) fans make a really loud whistling noise.
my CPU temps are still very good though, around sub 70 degrees celsius. ...
4
votes
1
answer
470
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How can I set a Discord mute key/button for M3 MacBook Air running Sonoma?
How can I change the dictate (microphone symbol) and focus (moon symbol) function keys to mute and deafen for Discord on a new M3 MacBook Air running Sonoma?
I do not use these keys at all. The only ...
0
votes
1
answer
250
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Mute microphone input without muting in Windows
I used to have a microphone with a hardware mute, which was a button I could physically press on the mic that would mute it. It was likely done in hardware since Windows would not think the microphone ...
0
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41
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ffmpeg audio amerge with volume level adjustment and sidechain processing stopped working
I'm trying to merge my stereo background music with a mono voiceover audio with volume adjustment and sidechain processing to duck the music when voiceover is playing. This command used to work fine ...
1
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1
answer
58
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How can I detect which channels contain compressed audio in a video file by using command line tools?
I have an MXF file that contains 16 audio tracks. I know the first two tracks (stereo) contain Dolby E compressed video. Using MediaInfo (gui) it lists 16 audio streams with a mix of Dolby E and PCM ...
0
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50
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No output device, until I plug in an AUX cable
A little while ago I messed something up while inside my audio system settings GUI (Using KDE Plasma on Debian). I can not recall exactly what I did, but I pressed some button while inside that menu ...
0
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26
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System Volume OSD shows unwanted meta data & controls
I recently noticed that my system volume OSD has become polluted with meta data and a control interface that I do not want to have. This extra data seems to be present when a tab in a web browser ...
0
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46
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How to prevent Dell desktop from making a chime whenever my monitor goes to sleep?
I have a Windows 10 Dell desktop which makes a chime whenever its monitor goes to sleep.
The monitor is shared with another PC and the Dell is connected via a DP-HDMI cable. The Dell also has an ...
0
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19
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Audio only output via my PC to hifi DAC using the VLC app on my ipad
Using windows10 on my Desktop PC with attached hard disk music storage all in FLAC format..
Access to all of my music files is either directly from my PC via JRiver or by the JRiver app on my iPad. My ...
0
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0
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68
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How to listen to a module-native-protocol-tcp [mpd] pulseaudio tcp stream on two output devices with independent volume control
I saw https://unix.stackexchange.com/questions/611158/how-do-i-monitor-microphone-input but this only applies to the mic apparently.
(how do i create this list in markdow?)
✓ server: mpd pulseaudo ...
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84
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Bluetooth earbuds not playing any sound after a while while video calling on my macbook
I am using a 2017 MacBook air. I can watch videos with the same earbuds without any issue at all for however long. But, when video calling or attending meetings in WhatsApp and MS Teams (haven't tried ...
1
vote
1
answer
428
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Want to understand encoding with Opus for maximum audio quality in FFmpeg. Bitrate stuck at 96kbps?
I'm sort of new to FFmpeg, but I got much of the basics down. I am trying to understand how to encode audio with Opus. My knowledge is a bit weak when it comes to audio, bitrates, sample rate and Hz.
...
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119
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Configuring ALSA using loopback to output audio through both audio jack and program simultaneously
I’m having a lot of trouble configuring ALSA and loopback on my system [ubuntu 22.04]. I want to combine the headphone and loopback streams so that when I play any audio, I can hear it from the audio ...
3
votes
1
answer
299
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How to repair damaged AAC file without re-encoding using FFmpeg or other tools?
I have a 256Kbps AAC file that has a corrupted segment lasting less ~1/20th of a second. I'm seeking to "repair" the damaged portion without re-encoding - or, at least via a minimally ...
0
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284
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Google Chrome on Windows 11 - No Sound, Not in sound Mixer
I'm running Chrome (Version 123.0.6312.86 (Official Build) (64-bit) FWIW) on Win 11 Pro.
I can't get sound from any websites, my first thought was I might of turned it down one day in Windows Volume ...
1
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0
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217
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Setting device profile on PipeWire
I have a gaming headset with both chat and game outputs, but I can only select Digital Output + Mono Input in audio settings.
Back in Manjaro with PulseAudio I added a udev rule like
echo 'ATTRS{...
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votes
1
answer
156
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Lossy audio/video/image formats and data loss
I once heard that if you store music/videos/images in lossy formats, the quality gradually degrades over time.
The difference in perception is not the only reason to store music in FLAC. FLAC uses ...
0
votes
1
answer
142
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How can I detect which audio channels in a video file are silent using FFMPEG?
I need to be able to scan video files and report which audio tracks/channels are silent without knowing anything about the file's audio mapping ahead of time. I have tried this ffmpeg (v4.1) command ...
2
votes
0
answers
56
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Yet another ffmpeg concat audio sync issue [closed]
I've read through dozens of posts, tried many suggestions, nothing seems to work for me. The funny part is that the video is fine in some players (e.g. Quicktime) but not the others (e.g. Chrome).
...
0
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0
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35
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Make volume slider adjust only current program volume
Can I make The main Windows volume slider (or even a third party one if necessary) adjust only the current programs volume?
I currently use Eartrumpet but that sadly doesn't have that functionality.
0
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34
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FFMPEG - Any suggestions on how to achieve a lookahead with sidechaincompress?
I need sidechaincompress (i'll call it SCC) to look ahead 750ms and smoothly drop the audio level in that lookahead window.
I'm currently using this:
-filter_complex "0:a]sidechaincompress=...
0
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0
answers
23
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Turn on speaker amplifier when audio output selected
I'm using KDE (plasma) with pipewire for audio.
I have some desktop speakers that need an amplifier with a power switch. I have a remote controlled power socket (shelly plug) to turn on the amplifier ...
0
votes
0
answers
41
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REPLAYGAIN value being ignored on some MP3's - FFmpeg Transcoder cs - process Error Data Received:454
I am having an issue per below. I use Windows, and just installed ffmpeg-2024-03-07-git-97beb63a66-full_build, which did not correct it.
I have added Track ReplayGain to my music library using Foobar.
...
0
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1
answer
105
views
Converting audio tracks only in mkv files to AC3
I have an LG CX TV. The internal video player does not recognise DTS audio format. I'd like to be able to play MKV files (which might have DTS audio tracks) from an external USB device. I was looking ...
0
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0
answers
61
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Zorin 17. Sound issues with Audacity
I recently dumped Windows & installed Zorin OS 17 so I’m a greenhorn as far as Linux goes.
So far it’s all going rather well except for a few minor issues, most of which I’ve been able to solve. ...
0
votes
0
answers
183
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No sound after Manjaro install, just a dummy Output
This question has been asked a couple of times on this site, one for Pop OS and one for Linux mint, both fixes listed on these questions have not helped me in anyway.
I just installed Manjaro today, ...
0
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0
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107
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Weird ffmpeg behavior - "-shortest" flag ends the audio too early
I'm trying to generate some video files using ffmpeg, but when I use the -shortest flag, I get a file whose audio stream is several seconds shorter than its video stream.
I tried several ...
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1
answer
361
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How to mute audio by looping the last second of every x seconds in the video?
UPDATE:
Баяр Гончикжапов and inspired by this post, tried:
ffmpeg -i input.mp4 -af "volume=volume=0:enable ='gte(mod(t\,20)\,15)'" -c:v copy -c:a aac -b:a 192K output.mp4
Post solved, thank ...
1
vote
1
answer
142
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FFMPEG - How to Merge Three Files - Only Middle One Has Audio
I have three videos that I want to merge into single one.
Intro video (mp4) - 3 seconds - No Audio
Main video (mp4) - 1 minute - With Audio
End video (mp4) - 3 seconds - No Audio
When I use ffmpeg, ...
0
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0
answers
60
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Adjusting volume levels with ffmpeg afade
I am having some trouble with the following ffmpeg command string:
ffmpeg -i 20s.wav -af "afade=t=out:st=2:d=1:silence=0.07, afade=t=in:st=5:d=1" out.wav
What I expect from this: At 2 ...
1
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1
answer
397
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How to detect and reduce a WAV file’s sample rate to its real sample rate?
I'm not sure if my question makes sense, but here it is the problem I have.
I have a bunch of wave (WAV) files that I believe were converted from MP3 or some other format that I have no information ...
0
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0
answers
82
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Virtual Audio Cable (VAC)
I have had Virtual Audio Cable (VAC) before and it would make 1 line and I would add one more to geve me 2 lines. But now the program make two number 1lines. and when I make the number 2 line it give ...
0
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0
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38
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How to fix command-line VLC `AudioObjectAddPropertyListener` errors
$ vlc -Z --play-and-exit my_music.mp4
VLC media player 3.0.20 Vetinari (revision 3.0.20-0-g6f0d0ab126)
[00007fec32124770] macosx interface error: Updater aborted with error 1001
[00007fec21807100] ...
0
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0
answers
57
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How to automatically convert zoompan filter's private fps to input video's fps?
I have a 24 fps video, I'm trying to use the zoompan filter in my video and I'm having trouble setting the filter's private fps. If you set the fps in the zoompan filter to fps=30, the video and audio ...
0
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0
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60
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External microphone not picking up signal on Dell Inspiron
On a new Dell Inspiron laptop running Windows 11, when I first insert an audio cable (external microphone) into the jack port, a prompt came up from what looked like a third party software that asked ...
0
votes
1
answer
148
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Complex ffmpeg multi-encode/streamcopy/muxing scenario: is this actually doable?
I'm trying to do multiple muxing/re-encode/copy operations on an input video with ffmpeg and have run into roadblocks with the methods I've tried; before I continue testing, I want to confirm whether ...
-1
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1
answer
53
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Audio Driver has 'Location: Unknown' and isn't working even though windows xp says it functions fine
I have a dell latitude d830 with windows XP professional. I'm using the built-in speakers. It's definitely not a hardware problem as when I switch my HDDs and boot into Windows 7 the audio works fine. ...
0
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1
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182
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How to encode FLAC and DTS audio formats to AAC most efficiently?
I have been encoding audio for my own personal media library from various formats into AAC available for direct play on my Plex Server. I have been using the following command with ffmpeg:
ffmpeg -i &...
0
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0
answers
24
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Bluetooth sound going the wrong way between Linux and projector
OK, this seems like a dumb problem...
I paired a Kubuntu PC to an Android TV projector. I wanted to play some music on the PC and hear it on the (good sound quality) projector. I already do that ...
0
votes
1
answer
38
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Keyboard media keys for volume control buttons stop responding after connecting bluetooth headset
I have a keyboard with system-wide volume control keys. It works fine on Windows 11 with a Realtek wired headset. However, when I connect my Sony WH-1000XM4 Bluetooth headset, which becomes the ...
0
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1
answer
320
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How to change the sample rate of audio for all video files in a directory?
I performed screen records using wf-recorder and I realized that it was hardcoded to encode at 44.1 kHz, but Pipewire defaults to 48 kHz. So it turned out the audio would be perfectly in sync if I ...
1
vote
1
answer
305
views
Using ffprobe to get count of audio streams in mp4 file
I am looking for a way to get a count of the number of audio streams in mp4 files. Among some big long threads (mostly pre-2019 dated) on using ffprobe for this I found the following command:
ffprobe ...
7
votes
2
answers
3k
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How to use MacBook as a speaker through HDMI for my TV?
I have a Phillips TV and it doesn't have the best sound, so I want to use my MacBook, which has much better sound, as a speaker for this TV.
I've tried connecting the laptop through HDMI to TV and ...