Ask Ubuntu Stack Exchange
Ask Ubuntu Stack Exchange

Questions tagged [sound]

Questions about sound issues with Ubuntu spanning from sound cards, microphones and speakers/headset to the transfer of audio signals via audio port, bluetooth and HDMI.

This tag should be used for problems with:

  • Sound cards not being detected by ALSA or PulseAudio.
  • Audio output like speakers and headphones/headsets
  • Audio input i.e microphones, built-in or external mic.
  • The transfer of audio signal via HDMI to devices (like TVs or AV receivers), bluetooth audio devices and audio cable.
  • Multimedia applications which require sound like apps to play movie and music.

Please provide AlsaInfo and a verbose PulseAudio log if your have an issue related to ALSA, PulseAudio or both.

See Debugging Sound Problems and Sound troubleshooting procedure for more details.

9139 questions
204
votes
10 answers

How do you set a default audio output device in Ubuntu?

Every time I boot up, I have to switch my audio output device to my "Line Out" headphones because for some reason my microphone defaults as a speaker. See this screenshot:
tiddlesticks
  • 2,143
95
votes
7 answers

"Dummy Output" No sound in Ubuntu 16.04

None of the HDMI output are working, all saying "dummy output", it was working yesterday, but when I use the headphones it became soundless, with or without the headphones. Thank you already!
BUBI
  • 961
83
votes
5 answers

How can I convert audio from ogg to mp3?

I'm looking for a well working audio converter which is able to convert audio files (ogg) to mp3 format. I tried it with the "sound converter" from the software center but it stopped converting after 6 of 12 files.
user256422
  • 876
  • 1
  • 6
  • 9
73
votes
12 answers

Volume low even at maximum

I have an Asus UL20FT-A1 laptop whose sound at maximum is not high enough. I have to open the Sound Settings menu and go over the limitation to get a high enough level. Any idea how I can fix this?
arianit
  • 753
58
votes
6 answers

Can I downmix stereo audio to mono?

I have one speaker next to my computer which I use mostly as a headphone amplifier. On occasion I need to use it as a loudspeaker. Is it possible to quickly change the audio output from stereo to mono, either system-wide or as a plugin for a media…
David
44
votes
3 answers

Automatically change Sound Input Output device

I have to plugin my USB Audio adapter ( 4300054 Gigawire USB Audio Adapter) for audio input because has a combo-input-output port for voice. After I do this, I have go open Sound Settings and manually select the USB Audio adapter for Input and…
Senthil Kumaran
  • 943
36
votes
2 answers

What are my audio devices?

I'm attempting to use easycap to record from my camcorder but I'm having a slight problem. Using their test script I'm able to get audio and video. I've noticed that in the script on line 159 it makes a call to "DEV_ADUIO", which is reported as…
hellocatfood
  • 3,379
34
votes
4 answers

"Unknown Audio Device"

Every time I plug in my headphones, Ubuntu shows a popup box asking whether I've plugged in headphones, a headset, or a microphone. How do I get it to stop doing this?
Robi Rahman
  • 341
31
votes
8 answers

Ubuntu changes sound device after suspend, how to fix?

So my setup currently is using a monitor plugged into my laptop via HDMI and using the speakers in that for audio not the inbuilt laptop ones. When the machine boots it uses HDMI by default, but I will often suspend the laptop throughout the day and…
MattJC
  • 311
29
votes
2 answers

What is "speech dispatcher"?

I'm having trouble getting sound out of Ubuntu. Some article advised to enable the "speech dispatcher" from /etc/default/speech-dispatcher. What is it? What does it do? Any ideas?
842Mono
  • 9,790
  • 28
  • 90
  • 153
29
votes
3 answers

Is there a way to disable sound in one program?

Is there a way for me to be able to enable sound in one program (say, VLC) and at the same time disable sound in another program (say, chrome). I am not using these programs in particular. The question is in general.
user33162
26
votes
9 answers

No sound from speakers, but headphones work

I have had a problem with my sound for a while now. Sound comes from my headphones, but not from my speakers. I am running Ubuntu 11.10 on a Compaq 320. I have searched around, but none of the threads have worked, some had made it worse (no…
forrest
  • 259
25
votes
7 answers

Periodic clicking sound from PC speaker

After an update some months ago, my laptop has begun making a low, repeated clicking sound every few seconds. It is not being generated through the regular sound system, as altering the volume and even muting the sound does not make any difference.…
John J. Camilleri
  • 718
24
votes
8 answers

Is there a free realtime spectrograph available for Ubuntu?

On my home stereo I have a spectrograph that has a 2D matrix, whereby the X axis is the frequency (deep bass on the left, vocals in the center, treble on the right), and the Y axis is the volume or power of the sound at that frequency. I have seen…
captainandcoke
  • 443
23
votes
3 answers

How to change audio bit depth and sampling rate?

I'm a novice Linux user. I'm currently using Xubuntu 11.10 I like getting the best I can out of my hardware. This includes sound. In windows it was quite simple. I just went to the audio settings and set the bit depth and sampling rate to the…
Yasashii
  • 231
1
2 3
…
37 38