Ubuntu Multimedia :: How To Make Pulseaudio Use Only A Specific Device

Aug 12, 2010

I am trying to setup a complex audio system, but I won't bore you with the details (unless you ask). Basically, I want to have pulseaudio only use one specific device and ignore the rest of the devices.

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Ubuntu Multimedia :: 9.10 - Sound Device Using PulseAudio?

Mar 13, 2010

I installed "Theocracy" on my 9.10 Karmic system. The installer asks for a sound device, dev/dsp is the default and I didn't change it. When I now try to start the game, I get the following error:
Unable to open sound device: Device or resource busy
Execution of /usr/games/theocracy_base/theocracy.real failed!
What is the sound device when using PulseAudio on Karmic?

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Ubuntu Multimedia :: Make Pulseaudio STOP Copying Mic Input To Main Output?

Nov 26, 2010

I have a headset microphone plugged into the built-in audio input. The output is plugged into an amplifier > speakers.

Pulseaudio is "helpfully" routing the microphone input signal to the speaker output. I do not want this. I go to pavucontrol and disable the "monitor of the internal audio analog stereo" -- and what I say into the microphone is still coming out of the speakers.

Google gives a lot of information about how to live-stream mic input over the Internet. And, I found this here (that's for karmic, I'm running lucid):


... but that's about how to ENABLE loopback. It says loopback should not be enabled by default, but I very clearly hear that something is doing the same thing as loopback.

(Of course, I need to hear sound from applications that are playing, and when I'm dictating text into NaturallySpeaking running under virtual box, I need sound input to go there -- so turning the mic all the way down to zero is not the solution.)

I'm fairly sure I remember hearing this behavior ever since installing Ubuntu, and I didn't do anything to turn it on. I can't imagine most users would prefer this behavior -- if it's the default behavior, why? It makes absolutely no sense to me. (Sorry. It's one of those piddly little configuration things that costs a couple of hours of web searching time, and after a while I just have to give up, but not before becoming much more frustrated than I should have to.)

So, to be clear, here's what I want:

- Applications playing audio should send sound to the main output.

- Applications receiving audio input should hear the microphone.

- Microphone sound should not EVER go to the main output unless I have explicitly launched an application making the connection. (The signal goes input -> output even when NO application is open - hence my consternation.)

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Ubuntu Multimedia :: Make Rhythmbox Exclude A Specific Folder?

Oct 19, 2010

This question can be found on the Internet and on this forum but either there is no response or the advice is to move the folder to exclude on another path (in case of using a subfolder for ripped/downloaded mp3).

But in my case my music is on a SAN and I access it through CIFS. So every time I delete a file or folder it goes to the Trash, in a folder called #recycle, which Rhythmbox indexes as well. So I have to delete this folder to avoid duplicates...

Is there any configuration in Rhythmbox to exclude a folder?

I only see a configuration for multiple folders in gconf-editor:

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Ubuntu Multimedia :: Connected Terratec H7 DVB-T/DVB-C Into Kernal Version - Make This Device Up And Running

Apr 13, 2011

I connected Terratec H7 DVB-T/DVB-C into ubuntu kernal version How to make this device up and running. I tried installing v4l-dvb but it gave lot of compilation errors. Also i would like to know linux has this device support.

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Fedora :: Using The Pulseaudio Device In Mythtv?

May 31, 2010

I have a fedora13 version that upgraded mythtv to 0.23. Since that time, I've had sound problems. Mostly the sound has stopped working completely, but works with all other applications. Every once in a while the sound will work.

My sound device is ALSA:default and I have experimentally allow pulseaudio in my environment. This worked fine before the mythtv upgrade. I tried using the pulseaudio device in mythtv, but it works really poorly (lots of loud static).

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General :: Set Device For Program In PulseAudio?

Aug 29, 2010

In computer I have 2 sound devices.

When I run some program (let's say Skype) I can (using "pavucontrol" -> "PulseAudio Volume Control") setup so that this application will use given device for playback or recording.

But - in the Playback/Recording tabs application is visible only if it is currently doing something (playback or recording).

How can I set device per application, but before the application starts recording or playing sounds?

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Fedora :: PulseAudio USB Device Default Behavior Wrong

Feb 8, 2010

Based on my experience with external devices such as USB microphones and USB speakers, PulseAudio always defaults to the motherboard/built-in device rather than any USB device.My expectation is that if someone is using an external USB device to supplement what is on the motherboard/built-in, they are going to be doing that to overcome a limitation of the motherboard/built-in devices, and therefore it is logical that when external USB devices are present on a system, these be the default. (For example, I want sound from my beefy set of Logitech USB speakers and not from the tinny notebook speakers).

It is no problem for me to manually set/reset the active device, however I believe that the average user expects to plug in a USB microphone or speakers and assume that the system will automatically change the default. Furthermore without this action, some users not used to the Linux audio settings will be led to believe that the USB devices are not supported, when in fact it is simply a problem that they have not been selected for use rather than the motherboard/built-in devices.I think this warrants me entering a bug report, but I wanted to hear what others think before proceeding to enter a bug report.Is the default behavior of PulseAudio towards USB devices wrong? What do you think?

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General :: Changing Default Audio Device In Pulseaudio?

Jun 5, 2011

I would like to use HDMI on my graphic card for audio output. ALSA shows it as a card with 4 devices and I can get sound through one of them (the other three are different channels, perhaps? I have only stereo output connected). Although Pulseaudio has the right card set as default, it seems to me that it plays on a wrong device. Pacmd shows that the sink has parameter alsa.device set to the first device listed by ALSA, but I can get sound only from the second one.How can I force Pulseaudio to use another device of the same card as a default output?

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Ubuntu :: Make Hamfax (using /dev/dsp) Work On 10.04 With Pulseaudio?

Aug 5, 2010

Hamfax is using the old /dev/dsp. How do I make Hamfax work with the audio system in 10.04. Can I use Pulseaudio?

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Fedora :: How To Make Java Use Pulseaudio

Jul 9, 2010

Ok, still on to the silent Java. I use Java to play Runescape. I can hear the (midi?) music but none of the ambient sounds. In a chatbox I (over) heard that it is clever (needed/required) to use Pulseaudio. How do I make the JRE use paulseaudio?

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General :: Su -c "yum Remove Alsa-plugins-pulseaudio Pulseaudio" - Distribution With No Pulseaudio?

May 22, 2011

I've had nothing but trouble with Pulseaudio in Fedora 14. I had managed to get rid of it in Fedora 10 with the command: su -c "yum remove alsa-plugins-pulseaudio pulseaudio" I just don't want to have to deal with Pulseaudio anymore. It does not like my sound card and gets in the way. Is there a Linux distribution that does not use Pulseaudio ?

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Fedora :: PulseAudio - Make Each VT Play Its Sound?

May 29, 2010

I'm using Fedora 13 and think this behavior comes from Pulseaudio. To make it simple, all my sounds are played in my GNOME session. What's making sense because it's where Pulseaudio is launched. So, when I switch VT (CTRL+ALT+Fx), all sounds from my GNOME session is muted. What's not the actual problem. It's in fact a good behavior. The problem is I use some VirtualBox virtual machines on other VT launched with the xinit command.

These VMs emit sounds but I'm not able to hear them because I'm not on the VT of my GNOME session. But once I get back on my GNOME session I can hear all sound from the VMs. What I want, it's to be able to hear all sounds played by the VT on which I currently am and not everything and only in my GNOME session. How I can accomplish that?

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Fedora :: Make Pulseaudio Working In A Remote Desktop?

Nov 14, 2009

I have a PC installed with Fedora 11 and I want to use this machine headless as a music server, my amplifier is connected to this machine. After a normal installation I've changed the default runlevel from 5 to 3. I can connect from a client, using FreeNX, to this machine and I get a normal Gnome desktop. So far so good.

The problem is there is no sound. But when I log into the machine directly, still in runlevel 3 and execute the script /usr/bin/start-pulseaudio-x11 an make a new remote-desktop connection there is music. Is there a way to make pulseaudio working in a remote desktop.

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Debian Configuration :: Make Pulseaudio Work Inside Chroot

Apr 18, 2016

I have amd64 Debian Jessie and i386 Debian Jessie installed on my laptop. I wanted to start x86 app that is installed on my x86 OS from my amd64 OS using chroot.

My mounts inside chroot:
Code: Select all/dev/sda7 on / type ext4 (rw,relatime,data=ordered)
/dev/sda5 on /tmp type ext4 (rw,relatime,errors=remount-ro,data=ordered)
/dev/sda5 on /etc/resolv.conf type ext4 (rw,relatime,errors=remount-ro,data=ordered)
tmpfs on /dev/shm type tmpfs (rw,relatime)
proc on /proc type proc (rw,relatime)
devpts on /dev/pts type devpts (rw,relatime,mode=600,ptmxmode=000)
none on /sys/fs/cgroup type tmpfs (rw,relatime,size=4k,mode=755)
systemd on /sys/fs/cgroup/systemd type cgroup (rw,nosuid,nodev,noexec,relatime,xattr,release_agent=/lib/systemd/systemd-cgroups-agent,name=systemd)
/dev/sda5 on /var/lib/dbus/machine-id type ext4 (rw,relatime,errors=remount-ro,data=ordered)

sda5 is host OS and sda7 is guest OS

when I start any x86 app I can see "failed to create secure directory (/run/user/1000/pulse) permission denied" how to make pulseaudio to work inside chroot?

also what this command exackly does?

"pactl load-module module-simple-protocol-tcp rate=48000 format=s16le channels=2 source=auto_null.monitor record=true port=8000 listen="

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Ubuntu :: HCItool Does Not Return Specific Device Name

Jun 30, 2010

I've just installed Ubuntu 10.4 and was trying to use a small bash script for which I need hcitool to return the device name. The problem is that hcitool returns nothing when I query for the device's name using the address. The address was found using hcitool's scan option, so I know the device is responding. Also, I can pair the laptop with the phone using gnome's bluetooth application, what I can't do is get hcitool to return the device's name. I've tried scanning for other devices and querying for their names, and I tried using another laptop with Ubuntu installed to get the phone's name, in all cases hcitool returns the device's name, only when issuing the query from my mac to this specific phone does hcitool fail.

I'm issuing the following commands:
knitter@knitter-laptop:~$ hcitool scan
Scanning ...
<address omitted><name omitted>
<address omitted><name omitted>

After getting the list of devices that were found I grab my phone's address and ask for the name.
knitter@knitter-laptop:~$ hcitool name 00:8D:31:8C:0C:0A
As you can see, when scanning for devices I get both the address and the name, but when asking for the name I get nothing, and I really needed to use the hcitool name <address> command for the script as it would make things easier.

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Ubuntu Networking :: Can Disable A Specific Wireless Device

May 17, 2011

11.04 64 bit I just picked up a new high-gain usb wireless adapter that I would like to use for a while in place of the built in wireless adapter in my desktop. It is detected and works just fine. My question is this: Is there any way I can disable just the built in adapter and leave the new one active (or visa versa?) I don't want to remove the built-in one as there will be occasions that I will want to use both.

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Ubuntu :: Assign Specific Joystick Device Path To It / Controller?

Oct 13, 2010

Currently I have 5 HID's I would like to use on the system at any given time. However, I have the problem of them using different device paths depending on what order I plug them in... Which wreaks havoc on qjoypad and also my music software which looks for a specific device number, which may or may not be the same as it was last time.

For example, I have 2 rock band drum controllers which I use to send MIDI signals. I need them always assigned to the same device path, so that I don't have to change the settings in my music software every time I run it, to make sure it's looking at the right controller

Or if I am going to play games with a gamepad, but I also have the drums hooked up, the gamepad may be assigned to /dev/input/js2, so I create my qjoypad profile.... Let's say the next day I reboot with the drums not plugged in, the gamepad is now /dev/input/js0, and the qjoypad profile won't work because it is looking for that gamepad at /dev/input/js2... So I would either have to create a new profile, or hook the drums back up in the same order ... Or something

It's just a mess...

Is there any way to tell Ubuntu to say "/dev/input/js0 is always Playstation gamepad", "/dev/input/js1 is always drum pad 1", etc.?

Or some way to do away with /dev/input scheme altogether and somehow link directly to the name of the device?

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Ubuntu Networking :: NetworkManager Tries To Connect To Wrong Device / Get To A Specific?

Oct 15, 2010

I have a ZTE 3G USB modem (MF645).
When I plug it, 5 devices appear: /dev/ttyUSB[0-4]. The modem device is /dev/ttyUSB2, and I can successfully connect wvdial on it.
NetworkManager detects the modem, however, it tries to connect to /dev/ttyUSB1 instead, and fails.

How does NM decides which device to connect to?
Is it possible to instruct it to connect to a specific device?

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General :: Resume From Suspend With Specific Device

Oct 23, 2010

I was trying to get this feature: wake up my htpc from s3 with my remote control and the solution is to modify /proc/acpi/wakeup and a descriptor in /sys. Here are the details: I'm using a Microsoft IR receiver for MCE remote that appears as dev 2 of bus 2 in lsusb

root@htpc:~# lsusb
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 002: ID 0471:0815 Philips (or NXP) eHome Infrared Receiver
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 006: ID 045e:0714 Microsoft Corp.
Bus 001 Device 005: ID 045e:0715 Microsoft Corp.
Bus 001 Device 004: ID 045e:0707 Microsoft Corp. Wireless Laser Mouse 8000
Bus 001 Device 003: ID 045e:070c Microsoft Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub....

That's USB0 I have to enabled, why not usb 1 or 2 (bus 2 in lsusb)? Moreover why are all the disabled/enabled preceded with a star and S4 and not S3 mentioned? Nevertheless that wasn't enough to get it work. I looked in gconf-editor in apps/gnome-power-manager/general but I have no can-suspend or something similar... (I'm running on 10.10, with 10.04 I could suspend only once, afterwards the computer didn't go to suspend, just black screen then login screen). So I looked in /sys/ and found that 'cat /sys/bus/usb/devices/2-1/power/wakeup' (notice the 2.1 as bus 2 device 2 (0,1,...) gave 'disabled' so a echo enabled > /sys/bus/usb/devices/2-1/power/wakeup and now I can wake-up with the remote when I want.

What I don't understand:
Why USB0 in /proc/acpi/wakeup ?
Why have to change in /proc and /sys ?
Is it possible to automate this to get it work even if I change the usb port the receiver is plugged in ?

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Ubuntu Servers :: Program/Process Route To Specific Network Device?

Jul 30, 2010

Is there a way to bind specific programs to specific network devices (not IPs, since I have dynamic IPs)?

For example, I wish for irssi to route through eth0 and w3m to route through eth1. Keep in mind these devices have dynamic IPs, so I cannot attached them to an IP.

The solution cannot be accomplished through route since route pivots on IPs not devices.

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Ubuntu :: Staticly Assign Device Names (/dev/sda, Etc.) To Specific Hard Drives?

Feb 20, 2011

This is one of those questions where I highly suspect that the answer will be something like ". . .just stinks bein' you, kid."My setup:I have Ubuntu 10.04 x64 (desktop) installed on a computer with a bunch of SATA ports, including one e-SATA on the backBecause of the way the hardware works with these ports, the *external* port is the first SATA port, a second SATA port inside becomes #2, and a cluster of four ports (that can be made into a (ahem!) RAID array become ports 3 through 6.

All ports are configured as SATA (PATA emulation)My boot drive is located on SATA-2 (the inside connector), a four disk "MD" raid array is located on SATA 3-6, and I have an external HD enclosure that I plug into the e-SATA connection.

With all six drives plugged in, they get ordered like this:
/dev/sda - External drive
/dev/sdb - Internal operating system drive (bootable)


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Hardware :: Forcing Specific Driver For Device Through Udev

Oct 5, 2010

My co-workers and I are trying to develop a USB device, which uses an FTDI chip as a USB-serial controller. The thing is, we would ideally like to set a custom idVendor and idProduct on the FTDI chip. The problem occurs that when we set custom idVendor and idProduct values, udev(7) loads the "usb" driver. If we leave the idVendor and idProduct values to their originals, udev(7) loads the "ftdi_sio" driver. The whole reason for the custom idVendor and idProduct values is so that I can (hopefully) write a udev(7) rule to map that particular device to a specific entry in /dev. Is there a way to write a udev(7) rule so that you can forcefully load a particular driver for a device? Is there something else that could be done to get a similar result?

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Hardware :: How To Stop Device From Being Controlled By Specific Driver

Apr 5, 2011

I am working on getting into driver development in Linux, I am developing a driver for the Hanvon GraphicPal drawing tablet.I have started writing a driver that actually detects the device when it is plugged in, so far thats all it does, it needs a lot more work. However, testing it is really hard because when I plug in the device normally, it gets picked up by usbhid or hidraw (not sure which), so the only way to get my driver to pick it up is to unload usbhid ("sudo rmmod usbhid") and then plug in the device. However, unloading usbhid kills my usb keyboard... which, as you can imagine, makes typing difficult, making it hard to develop drivers or even to reload usbhid. So is it possible to stop that specific device from being picked up by usbhid or hidraw and only by my driver?

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General :: Permissions - Mount Device With Specific User Rights?

Aug 8, 2011

How can I mount a device with specific user rights on start up? I still have some problems figuring it out. I would like to mount the divide with uid=1000 and gid=1000. My current entry to the /etc/fstab/ file looks like this:

dev /var/www vboxsf rw, suid, dev, exec, auto, nouser, async, uid=1000

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Ubuntu :: How To Make APT Install Package From Specific Repository

Jul 19, 2010

If a software package I want to install is available in more than one repository, how can I choose which repository to install the package? And is there a way to do this with Synaptic?

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Ubuntu Multimedia :: Unable To Open Device /dev/dsp - Device Or Resource Busy

Apr 13, 2010

All my music editing software programs say, "unable to open device /dev/dsp.Device or resource busy." How can I fix this?

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Ubuntu Multimedia :: HOW TO MPD With PulseAudio Independent On X

Feb 7, 2010

This tutorial is meant for Ubuntu 9.10 Karmic Koala, but it might work in earlier or later versions as well. I wrote this tutorial mostly because it took me a full day of work using lots of help from people on #mpd and #pulseaudio from the FreeNode IRC server.The goal is to get the MPD daemon working using PulseAudio, but without it being dependent on the X server or a session. To do that we must configure PulseAudio to run in system-wide daemon mode (which is not recommended by the developers, but in this case we do not have a choice). This means it will be using the /etc/pulse/system.pa config file instead of the usual /etc/pulse/default.pa. We must also make sure the appropriate user/group permissions are set, or PulseAudio will be rejecting the connections.The result will be an interrupt-less music environment, not dependent on the X server. Meaning we can for example log out and log in without the music having to stop for even a second. Switching TTYs (Ctrl+Alt+Fx) will also keep the music playing (not possible by default). All that and PulseAudio will still be able to detect and configure all your devices automatically.

Instructions: Make sure you add your username to the following system groups: pulse, pulse-access and audio.Do that by going to System --> Administration --> Users and Groups.Click the unlock button (the one with a picture of some keys), then click Manage Groups. In the list of groups that pops up, for each of the previously mentioned groups click "Properties" and select all the users that you want to have this functionality.

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Ubuntu Multimedia :: No Sound From Pulseaudio?

Jun 7, 2011

I seem to be having a problem with my sound. Every time I start my computer, I hear the sound played at the login screen and the sound played when I login. Right then, every time, the sound cracks up and stops before it finishes. Running "ubuntu-bug audio" shows that ALSA works fine but pulseaudio does not. For reference, "pacmd list" says that there are 0 sinks, 0 sources and 0 caches.

Edit: Solved by a really stupid mistake: loose 3.5mm audio cable. Don't do that. your sound and you're on a desktop computer, go, right now, and check to make sure that you haven't made the same mistake as me.

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Ubuntu :: Make Certain Files/folders Invisible To Specific Users?

Jan 7, 2011

I've got a NAS running and I'd like to somehow make some of the folders and files invisible to certain users only. For example, if I 'ls' a directory, I want to see files 'a', 'b', and 'c'. But if another user does 'ls' in the same directory, I only want them to be able to see 'a' listed.I know I can use 'chmod +700' to make certain files not able to be read/written, but the filename would still appear in a 'ls'.I know I can put certain files inside of a '.hidden' file in the folder, but then it would be hiEdit : I'd also like to mention that the users that connect to the NAS could be coming from Windows or Mac operating systems. So hopefully the solution would work for users from those systems also..

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