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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.

9453 questions
212
votes
11 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
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168
votes
6 answers

How to record output to speakers?

Is there a program for Ubuntu that can record sounds of only the output of the speaker and not any voices from outside the PC?
AmirRazoR
  • 3,417
167
votes
9 answers

Play sound through two or more outputs/devices

I have one sound card and one pair of Bluetooth headphones. I want to play my audio through both my sound card and my Bluetooth headphones. I believe Windows has checkboxes that allow you to "check" outputs to enable/disable them, but Ubuntu…
Nathan J.B.
  • 2,730
167
votes
11 answers

How to hear my voice in speakers with a mic?

I have a USB microphone that I can chat on Skype, record sound etc. But how can I make it so that when my mic is on and I speak, Ι hear it in speakers live without having to record my voice first and then play it back? What apps do I need or where…
Martin Zeltin
  • 5,393
164
votes
5 answers

How can I change the default audio device from command line?

Ubuntu's desktop gui is great for changing audio settings (System->Preferences->Sound), like the default input/output device and setting the volume. However, I would like to be able to do these things from the command-line. What tool is the gui…
paleozogt
  • 1,743
160
votes
10 answers

Realtime noise-removal with PulseAudio?

Is it possible to do realtime noise-removal with PulseAudio, so the sound output that's coming out is smoother?
Vadim Peretokin
  • 3,330
152
votes
5 answers

Terminal command to set audio volume?

I have an external sound card which mostly works fine, except that when its first plugged in, or when I turn on my laptop, the volume gets set to 100%. That is, the overall system volume, as shown in the sound indicator. What I'm looking for is a…
Marius
  • 1,851
142
votes
13 answers

Bluetooth headset with poor sound quality on Ubuntu

I've bought a Philips SHB4000 headset (phone+mic) wireless (bluetooth) and It has a good quality when I pair it with my phone or PC Windows but when I pair it with the same PC on Ubuntu (14.10 64 bits) the sound quality goes down. I've been googling…
Cleber Marques
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138
votes
14 answers

Generate white noise to calm a baby

I have a three week old baby. Occasionally she refuses to sleep. Some people tell me this is the way life is, some people tell me I need to buy things to fix it. This is becoming an alarmingly common pattern in this parenting game. Anyway one of…
Oli
  • 299,380
111
votes
17 answers

Beep in shell script not working?

I'd like to use a beep sound in a shell script. Unfortunately none of the methods I found via Google work for me. I tried echo -e '\a' echo -ne '\007' and the command beep after I installed it via apt. What could be the reason?
NES
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110
votes
12 answers

How to play mp3 files from the command line?

I have installed Ubuntu 11.10 server.. so command line only. I need to be able to play audio (.mp3 & .wav) files via the command line! I've installed the MPD & Audacious packages... and copied some files to a location specified in the .conf…
user51760
  • 1,201
106
votes
7 answers

How to keep the audio profile at A2DP while using a mic with Bluetooth headset? (Push-to-talk)

I have a CEL-TEC F5A headset. The spec says: Bluetooth 4.0, profiles: Headset, Hands free, A2DP, AVRCP/HSP/HFP It plays nicely with High Fidelity Playback (A2DP sink) profile. When I want to switch audio input to the headset's microphone, the…
Ondra Žižka
  • 3,848
105
votes
5 answers

Pair Bose QuietComfort 35 with Ubuntu over Bluetooth

In System Settings > Bluetooth, the Bose QC 35 is visible when searching for devices but pairing fails. After multiple attempts and playing with the PIN options I managed to pair it but once selected in System Settings > Sound, it would fail and…
Victor
  • 9,244
96
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
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95
votes
10 answers

No sound from bluetooth headset, but it's detected

I have a Bluetooth headset connected to my computer. The buttons play/pause/volume are working fine, but I have no sound in the headset. It only works in the speaker of the computer. In fact, I played with the sound settings of my headset in the…
imago
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