Questions about audio hardware and software in Linux and other UNIX operating systems.
4
votes
0answers
29 views
Single key audio capture in Linux (save on key release)
I'd like to run a program that records audio only when the Right Control key is held down. On keyboard release the result would write to disk as, e.g. yy-mm-dd hh:mm.ogg. How might I do that?
$ ...
1
vote
0answers
21 views
Java application locks up after playing sound
Our Java application plays short notification sounds periodically (in response to user actions). On some hardward, our application will lock up after the 3rd or 4th short sound. We have to pkill java ...
4
votes
1answer
484 views
Saving alsa settings
After a new update, there is no sound by default in my Debian Squeeze box until running alsactl init, but whenever rebooting the computer I have to run the command again to gain sound.
How can I ...
4
votes
2answers
89 views
Command line audio player that exits immediately after file finished playing back?
I am experimenting with audio players in the command line, and noticed something weird: if the sound is very short, most players will take up to a second or two after playback has finished, before ...
2
votes
1answer
236 views
volume hot keys in Crunchbang don't work
I've spent 2 hours on this and still can't figure this out. It's driving me insane. Please save my sanity.
When I press mute, the pnmixer control in the top right shows that I've pressed mute, but ...
2
votes
1answer
428 views
Pulseaudio, Phonon, KDE and forwarding sound to headset
Some days ago I bought headet (Jabra BT2045) and I want to use it in Skype voicechat and for example to forward to it another sound streams from my KDE.
I've successfully paired and setup as headset ...
0
votes
2answers
139 views
Unexpectedly lost speaker output. Headphone output works fine
Yesterday when I opened my laptop I noticed that I no longer had sound from the built-in speakers. I carefully checked settings in Sound Preferences, and then dropped to shell and looked in ...
2
votes
1answer
666 views
Sound volume control does not work in Ubuntu
My sound volume control does not work when I'm logged in with my regular user, though the sound works correctly. What's weirder is that the sound control works when I'm logged in as guest.
With my ...
1
vote
0answers
14 views
Starting jackd after using other audio
I know this is probably a common question.
When I start jackd after first booting, everything works fine.
If I use another audio (such as Banshee or Youtube, etc) jack won't start.
From what I ...
1
vote
1answer
31 views
Change sampling rate in ALSA
I'm a Computer Audiophile, I've used Windows (with ASIO4ALL)and OSX for Audio. Now I'm making Ubuntu 13 my HTPC/Stereo Audio. To begin with I disabled Pulse audio and using GooMusicplayer with ALSA.
...
2
votes
2answers
566 views
Set default sound card in Pulse Audio
I have two soundcards on my systems and pulseaudio always picks the wrong one. How do I set up the default soundcard in the pulse audio preferences?
4
votes
1answer
293 views
Linux support for RTP-MIDI?
I have been spoiled by the ease with which I can connect my iPad up to MIDI applications on my Macbook using the native support for midi-over-the-network (apparently RTP-MIDI) provided by the CoreMIDI ...
1
vote
1answer
72 views
sox segmentation fault
My attempt to record sound with sox on Raspberry PI fails:
pi@raspberrypi ~/tmp $ rec new.wav
Segmentation fault
And so does play:
pi@raspberrypi ~/tmp $ play test.wav
Segmentation fault
Yet it ...
0
votes
1answer
45 views
Native Instruments Audio Kontrol 1 - crackling sound
I am very new user to the Linux world. I istalled newest Ubuntu on my old ASUS A7CC laptop. I would like to use also my older external sound interface Native Instruments Audio Kontrol 1. I am able to ...
5
votes
1answer
104 views
Using OGG/Vorbis, is there a way to continue to record to an existing audio file?
I am using Vorbis/ogg to record audio (using arecord and then pipping to oggenc). I have downloaded oggvideotools, which gave me oggCat, which will let me join two previously recorded audio files into ...
4
votes
1answer
170 views
How do I get sound to work outside lightdm
If for whatever reason I sudo stop lightdm running on mint and just use a simple xinit session with mutter, is there some way I can get sound to work? Whenever I do that, it seems there's no sound.
1
vote
0answers
33 views
VLC - gapless cue support
Most of my music is ripped flac's with cue's. I listen to albums with cue mainly because of last.fm scrobbling, but I want the same experience of gapless playback as listening to whole flac using VLC ...
2
votes
1answer
30 views
Library for audio effects and modulation?
I'm building a site which will have multiple audio lectures uploaded, as it's mainly a feed for a certain person's lectures.
What's annoying is that there are many things which can go wrong during ...
1
vote
0answers
38 views
Choppy sound with flashpayer
After a number of updates, including upgrading to flashplayer 11 and kernel 3.8.2 sound from flashplayer and skype has become choppy.
Setup
In my setup I have .ascoundrc set up to use pulseaudio ...
3
votes
2answers
401 views
Ubuntu 11.10 with gnome shell - suspend wake up sound
I would like to be able to enable some sound file to play whenever I suspend and wake up my netbook (MSI Wind u100) but I can't found a way to do this in gnome shell.
I'm using PinguyOS 11.10, which ...
3
votes
1answer
131 views
Realtek audio issues on OpenBSD 5.2
I am running OpenBSD/amd64 5.2 stable on a new machine, using a gigabyte motherboard with a realtek alc898 audio chipset. When I try to play any audio (sources include mpd, aucat, and cat > ...
4
votes
0answers
60 views
Sending to two bluetooth speakers at once
Is it possible to send the same audio signal to two different Bluetooth speakers at once from a single source?
I remember reading somewhere that it's possible to send audio to two different sinks ...
0
votes
0answers
21 views
Channeling audio
I am trying to get an audio setup that looks like:
INPUTS:
1 stream from mpg123 (CLI MP3 player)
1 Microphone Input
OUTPUT:
1 stream going to Jitsi (Jabber w/ voice) to be broadcast.
1 connection to ...
6
votes
1answer
159 views
No volume control in Nexuiz fullscreen mode
While playing Nexuiz on my Ubuntu in full screen mode the volume control buttons on my laptop don't work at all, externally after minimizing the game increasing/decreasing the sound solves the problem ...
1
vote
1answer
853 views
Splitting WavPack files when the .cue file and .wv file have different names?
If a directory contains an album encoded as one large .wv file and a .cue file, splitting the entire album into individual .flac tracks is a simple task:
$ cuebreakpoints foo.cue | shnsplit -o flac ...
0
votes
1answer
682 views
Alienware M14x - No sound in linux Mint 14 (Nadia)
I have done a fresh install of Linux Mint 14.1 x64 on my Alienware M14x. Everything was working fine after installed. Unfortunately the sound is lost after sometime. Theres no sound when playing video ...
3
votes
3answers
267 views
No Audio Output with X11
I have a queer issue with my Arch-Linux System.
I am unable to get any Sound Output when playing audio, AFTER starting X Server.
The issue is not with Volume Controls or Sound Card Drivers because, ...
1
vote
0answers
49 views
How to make CD-quality WAV files using avconv?
I want to make a CD using the audio tracks of some video clips. I was thinking of using avconv to convert the files. As far as the other steps go, I found some instructions on the Arch Wiki. This is ...
8
votes
6answers
21k views
How do I make my pc speaker beep
Using bash, how can I make the pc speaker beep?
Something like echo 'beepsound' > /dev/pcspkr would be nice.
0
votes
0answers
53 views
Why does Arch Linux keep Windows headphone mute
I have an Windows 7 installed, and headphones works perfectly.
Few days ago, I have Arch Linux installed along with Win7.
headphone works fine under Arch Linux
but
When I turned to Win7 from ...
0
votes
0answers
134 views
Audio through DisplayPort on Dell XPS 13 L322x (Intel GMA 4000)
I have the recently released Dell XPS 13 (L322x) and have successfully installed Linux Mint 14 alongside the pre-installed Windows 8. When connecting and external monitor using a DisplayPort to HDMI ...
1
vote
1answer
45 views
Backtrack mp3 problem
I've installed Backtrack but I can't figure out how to play mp3files. I've installed ubuntu-restricted-extras,lame, libmp3lame but still won't work(I have Rhythmbox player, I've also tried Amarok). ...
1
vote
0answers
48 views
Sound messed up in Starcraft. What's the deal?
I'm trying to run Starcraft through Wine. The sound is all distorted, as if it were playing underwater. Then, about 10 minutes into the game the sound is perfect for 1-2 seconds. Then, there's no ...
3
votes
0answers
29 views
Allow audio from only one application
I'd like to only allow audio from a certain application. That is, I'd like to have audio turned off by default for new programs.
I'm aware that in PulseAudio one can mute programs, but the problem ...
1
vote
4answers
2k views
Updated Fedora 18 - no sound devices, just dummy output
So, yesterday I updated the recently released Fedora 18, this has been done:
Packages Altered:
Updated grubby-8.20-1.fc18.x86_64 @?fedora
Update 8.22-1.fc18.x86_64 ...
6
votes
2answers
283 views
Change PulseAudio Input/Output from Shell?
I have a set of nice wireless headphones which I use from time to time, in addition to my speakers and normal microphone.
I'd like to write a script to switch between one input and output source and ...
2
votes
0answers
37 views
How to configure buildroot to add a sound device?
I've used a given board configuration to reconfigure it for my individual board. My board has a CS4270 sound device of Cirrus Logic. My uImage is booting successfully on my target hardware, but an ...
1
vote
1answer
86 views
Pulseaudio rapidly switches ouputs at high volumes
I'm using Pulseaudio. The image is of the Output Devices tab and shows the Port set to Analog Output. This is fine and works great. There's another option called Headphones but if you try and set the ...
2
votes
1answer
73 views
Playing sound in a user X session
I am running Linux Mint 14 and can play sound when I start my x session through mdm. however, when I start my X session using startx in user space, I am unable to get any sound play.
What could be ...
9
votes
3answers
5k views
Set volume from terminal
Is it possible to set the audio volume using the terminal?, instead of clicking the speaker icon in the topbar, the reason I want need to do this is because my keyboard does not have a volume ...
3
votes
3answers
1k views
Speakers make popping sound when on battery power. What should I do?
I am running Linux Mint 11 on my notebook, which is basically a variation of Ubuntu. I have been hearing a popping noise in the speakers ever since I installed the OS, but just now realizing that the ...
0
votes
0answers
51 views
problem with alsa installed
I'm using linux for the first time. I installed alsa 1.0.24 in my system running Ubuntu 12.04. After installing, I tried to play some files using command aplay -vv abc.wav, it started playing but I ...
0
votes
0answers
147 views
ffmpeg conversion from wma to ogg does not work
I'm trying to convert wma to ogg, using ffmpeg. However, both using the vorbis or libvorbis encoder (not sure which one I should use), this fails. Using arch linux.
ffmpeg -i test.wma -acodec vorbis ...
3
votes
2answers
2k views
amixer - How to change recording channel?
So fat, I am setting up microphone settings :
$ amixer set 'Rear Mic' 90% mute cap
$ amixer set 'Rear Mic Boost' 80%
But, after some sys. update, my default recoding chanell changed to 'Front Mic' ...
9
votes
4answers
2k views
How do I split a flac with a cue?
I've got a full album flac, and a cue file for it. How can I split this into a flac per track. I'm a KDE user, so I would prefer a KDE/QT way, I would like to see command line and other gui answer's ...
1
vote
0answers
64 views
How to setup an audio/sound output monitor/listener?
I am working with an Arduino and am trying to get it to respond to sound when it is played on my computer. I'm communicating with it over a serial port.
I need to know if there are any audio/sound ...
5
votes
1answer
294 views
ALSA dummy device - how to configure?
I am working on an audio stream between two virtual servers. For that, I have set up a dummy soundcard (as the vservers don't have a hw card) using modprobe snd-dummy.
That seems to work fine - I am ...
1
vote
1answer
404 views
gnome 3 system sounds not working
On my System (Debian Wheezy x64, Gnome 3) I don't have any system sounds. Other audio is working well.
When I go to settings > Audio > Sounds (hope it is called like this in english) as normal user, ...
2
votes
0answers
154 views
convert arecord output to flac
I'm trying to convert arecord wav output to flac and it does work in part:
pi@raspberrypi /tmp $ arecord -d4 -f dat -t wav -r 48000 -c 2 |flac -f -o message.flac - --channels=1 --sample-rate=16000
...
1
vote
2answers
356 views
How can I switch between different audio output hardware using the shell?
I use my laptop with an external monitor which has speakers. When the monitor is attached through HDMI I can switch (using the GUI: Sound Setting --> Hardware) between the normal laptop audio output ...
