Tagged Questions

Questions about audio hardware and software in Linux and other UNIX operating systems.

learn more… | top users | synonyms (1)

5
votes
2answers
266 views

Can I query which processes (if any) are currently accessing the microphone?

I'm running Debian (technically Raspbian), trying to get a Star-Trek style voice-command system. I've got it mostly up and running, but in the interests of privacy and all that jazz, I don't want my ...
2
votes
0answers
63 views

VST plugin integration into ALSA?

I have "headless" (e.g. no graphical front-end) VST plugin that I would like to embed into my ALSA setup to continuously filter my sound. I remember that there used to be a LADSPA plugin which itself ...
1
vote
0answers
454 views

Linux Mint 15 no audio with NVidia MCP51

I updated from Linux Mint 14 to 15 recently, and since then my audio driver seems to be gone or nonfunctional. I don't have a ton of experience with drivers under Linux (grew up a Windows guy), but ...
2
votes
1answer
1k views

asound.conf file is corrupted does not allow the play with the correct sound card as a result it keeps failing

I have this following asound.conf file, but when i play $ speaker-test it fails. How can you tell asound.conf that each and every time on restart of pc also use this sound card only? "card 2: PCH ...
2
votes
0answers
46 views

Configuring Enlightened Sound Daemon

I have a single audio source specified in ALSA as plughw:1,0 (a USB microphone) and I'd like several other processes to be able to access the source simultaneously. For various reasons, each process ...
3
votes
1answer
162 views

Creating multiple devices from one device?

Specifically taking a USB device, which normally allows only one process to open it for reading, and clone/duplicate/replicate it so that multiple processes can open and read the input. Something ...
5
votes
2answers
6k views

How do I convert FLAC files to AAC (preferrably VBR 320k+)?

I back my CDs up to FLAC and then transcode to AAC (.m4a) files for portability on my android phone and the wife's iPhone. I had been using XLD on Mac and it does a great job but I'd rather not steal ...
2
votes
2answers
188 views

Reconfigure line-in as analog-out

I am trying to reconfigure my "line in" as another "analog out" and use it alongside with the default analog out port. I am using an onboard realtek sound card. It is very simple to do this in ...
3
votes
2answers
1k views

Playing a remote movie on the remote computer

I have two computers (a desktop and a laptop) running linux connected to my local area network. I like to ssh from my laptop over to my desktop and run programs there, and sometimes listen to music on ...
5
votes
1answer
2k views

Linux newbie: How do I use Jack? How does Linux sound work? [closed]

I am a Linux newbie. I know my way around the command-line enough to where it doesn't get in the way of my day job (I develop web applications in Python). This involves some piping, grep, awk, and ...
3
votes
1answer
484 views

How can I find the correct name for my microphone and sound output using aplay or pacmd or something else, to apply in asound.conf?

I need to write a default mic and default speaker output in the asound.conf config file. But I don't know exactly how I can find my external sound card or microphone device's name, so that on reboot ...
1
vote
1answer
311 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 ...
8
votes
2answers
197 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? $ ...
5
votes
3answers
2k 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 ...
1
vote
0answers
27 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
4answers
4k 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. ...
1
vote
0answers
230 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 ...
1
vote
0answers
208 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 ...
1
vote
0answers
153 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 ...
7
votes
1answer
2k 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
2answers
482 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
2answers
138 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
474 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 ...
2
votes
2answers
432 views

Why does Arch Linux keep Windows headphone mute

I have Windows 7 installed, and headphones work perfectly. Few days ago, I installed Arch Linux along with Win7. This issue appears with gnome/xfce4/openbox. Perhaps it is not related to desktop ...
1
vote
1answer
220 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
123 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
95 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 ...
2
votes
0answers
228 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 ...
3
votes
1answer
308 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 ...
14
votes
3answers
6k 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 ...
1
vote
0answers
244 views

How to setup an audio/sound output monitor/listener? [closed]

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 ...
1
vote
1answer
231 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 ...
2
votes
1answer
1k 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 ...
3
votes
2answers
2k 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
0answers
53 views

Losing sound after installing wine 1.5 (+python 2.7)?

I have a desktop and a laptop computer. Since I wanted to run IrfanView (that works great now!), I installed wine 1.5.22, which involved installing 1 GB of dependencies. The desktop continues to work ...
10
votes
6answers
8k 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 ...
3
votes
1answer
3k views

Sound not working when both the sound card and HDMI use the Intel HDA driver. How to exchange their device loading order?

I have an Acer Aspire One 522 netbook which has an Intel HDA sound card based on the Conexant CX20584 chipset. Although KDE does output sound when starting up, flash and probably many other apps which ...
1
vote
0answers
116 views

Making a Linux audio recording device available on a Windows 7 PC over network

I would like to use my headset's microphone both on my Linux laptop and a Windows 7 PC simultaneously, for different VoIP applications. I'm currently running Ubuntu with PulseAudio on the laptop to ...
2
votes
1answer
799 views

Configuring default alsa device (hw:0,0) in asoundrc

I am using a multimedia application (XBMC Frodo RC3) that does not allow me to select custom pcm device. It just asks the hardware device (in this case it is hw:0,0). Given this limitation I have to ...
1
vote
4answers
5k 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 ...
5
votes
4answers
596 views

Testing, from a script, if audio devices are in silent?

Is there a default program where I can check if my audio devices are in silent? Edit: By silence, I mean that if there is something playing on that (not just activated or opened) Something like ...
0
votes
2answers
1k 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
1answer
511 views

how to merge two audio input source using avconv

I try to make screencast using avconv and I facing a problem. I finally succeed to record both pc output and microphone input , the problem is that they're not merged in the output file. (I saw ...
1
vote
1answer
254 views

Rip audio CDs while keeping extraction and encoding separate

I'd like to rip my audio CDs to mp3. I know this has been discussed to a good extent but I'm not sure if my setup makes sense, though. I want to use an older PC for that and I have read on the net ...
2
votes
1answer
367 views

Does SDL require any sound server like PulseAudio to play audio?

I'm trying to make an MP3 player on top of the Linux kernel and busybox using the SDL and SMPEG libraries. Does SDL work on top of the kernel or it needs PulseAudio? I have just built a C program ...
1
vote
0answers
97 views

Rhythmbox error while saving song information: Could not multiplex stream

I play a lot of .ra or .rm files in Rhythmbox. It plays fine but when I try to edit with the property box it says: Error while saving song information Could not multiplex stream. But it works fine ...
2
votes
1answer
917 views

No sound on Debian VM

I installed Debian+XFCE using VMware and this YouTube video. Everything runs OK, but I have no sound in the VM. What's wrong?
4
votes
1answer
796 views

Mass ID3 tag editor like vorbistagedit?

My favorite tool for batch editing of vorbis comments is vorbistagedit. I can do vorbistagedit *.ogg and it lets me edit the metadata in all my ogg files at once in my favorite editor (emacs). I'm ...
1
vote
1answer
238 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 ...
1
vote
1answer
1k views

How do I fix a noisy input device (Internal Mic)? snd_hda_intel - debug included

As the title says, I'm having trouble with a very noisy audio input device - the internal mic or any plugged in mics. So far I've narrowed it down to an problem in ALSA since my debug info is showing ...