Ubuntu Multimedia :: How To Capture Sound With ALSA
Oct 1, 2010
I recently converted an amd 64 bit WINdows machine to Lucid 64 bit. Everything has gone well. I had numerous issues with Pulseaudio that I removed it. Sound with Alsa has been great, including system theme sounds. I can record via a mike as well. What I cannot do is to capture sounds coming through the sound card. When I record I am getting empty files. The mixer indicates that there are two capture devices. Here is some data on my audio card.
**** List of PLAYBACK Hardware Devices ****
card 0: SB [HDA ATI SB], device 0: ALC888 Analog
[ALC888 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: SB [HDA ATI SB], device 1: ALC888 Digital
[ALC888 Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: HDMI [HDA ATI HDMI], device 3: ATI HDMI [ATI
HDMI]
Subdevices: 1/1
Subdevice #0: subdevice #0
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Nov 6, 2010
I have installed xubuntu version 10. My sound card is a Yamaha dS-1S, and seems to be properly configured. Alsa mixer doesn't indicates any error. However, I can't manage to get any sound. I have checked that jacks are correctly plugged.
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Mar 15, 2010
I'm running Kubuntu 9.10 X64, and am using ALSA for my sound. I have no trouble with sound: VLC, Adobe's Flash plugin, Java, etc. all work properly. When I run the Gnash standalone player, sound does not work at all.
When I run Gnash in a terminal, I get this:
Quote:
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Oct 18, 2010
I'm trying to capture my desktop sound (Video too, but that part's working) but nothing I try works. I've tried various programmes, none of them work. I tried various things I read on different websites, and nothing worked. I noticed /dev/dsp was missing, and put it back by a guide, but that made no difference and disappeared again now I rebooted anyway
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Mar 25, 2011
I have installed XVidCap Screen Capture. If I record my screen with XVid Cap Screen Capture there is no sound. But if I record with Desktop Recorder there is sound. What is wrong?
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Aug 24, 2010
I have Ubuntu Lucid. If i dont' mistake, it should be possible to hear several applications playing sound simultaneously, with ALSA. But if 1 app is already playing, then starting a second one give always "device is busy".
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Nov 5, 2010
I was having a problem with ALSA, installed OSS, but now nothing works. I want to remove OSS, and reinstall ALSA. I am thinking about reinstalling, but I have all my stuff on here, so don't really want to.
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May 13, 2011
I am unable to capture sound from the sound card. I used to be able to do this with ease in SuSE 10.0 and 11.2. Now I have 11.4 and not only do I NOT have access to the sound card's channels (for base, treble, turning the mic on/off, and line in, Analog Capture Boost, etc) but now I can't seem to get at the settings for capturing sound coming from the sound card. I have tried using the Alsa mixer by way of the terminal and went to the Capture section and turned all of the settings all the way up. I didn't see any settings for Capture Boost as was available with 11.2's Alsa mixer GUI. Here's more of my info:
[Code]...
Isn't there ANY GUI sound mixer available that will give me access to all the channels I require? I not only record sound from my sound card, but I also use my mic at times for Skype and I like to be able to turn it off when not in use, rather than unplugging it all the time. I used to be able to do this with 11.2 and 10.0 and I really liked it that way. BTW, the plug for the mic is in the back of the computer and it's not convenient to have to plug/unplug it from there each time. For some apps, it's just a good thing to have all the sound settings done and in place before starting up the app. This I cannot do right now because of the changes to KMix and the Alsa GUI. I really really don't like this at all.
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Jul 15, 2010
So i upgraded to 10.04 a few months ago, right after it was released. clean install. it worked perfectly out of the box, or so it seemed. I had had sound problems in 9.10 that i didn't experience after i upgraded... until i tried to use some headphones a few days ago. when i connected the headphones, the speakers wouldn't mute. i thought it was no big deal. i had the same issue in 9.10 and it was fixed after i upgraded alsa. i figured i'd try the same thing. I used the same alsa upgrade script i used last time [URL] and it fixed the jack sensing and the sound worked perfectly... for about 5 minutes. after a short while of playing audio, sound would stop playing. i'd stop getting sound from video files, audio files, and even from my browser. i'd have to reboot to get sound again... only to lose it again in about 10 minutes. Now it's regressed to the point where i have no sound even after i reboot.
weird thing is, when i test out an audio file with aplay, it works... even if i just get garbage sound from some mp3 files.
anyway, i've got an HP dv7 and this is my aplay -l output
Code:
sleepee@sleepee-laptop:~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
Subdevices: 1/1
[Code].....
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Aug 8, 2010
after installing alsa package, i have no sound.
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Oct 21, 2010
I've no problems with sound on my laptop - it all works fine but Flash produces no sound at all.
I've got the Pulse audio applet running and when I'm using Rhythmbox it shows that on the playback tab and you can see the signal on the signal bar.
Viewing Flash videos shows the ALSA Plugin but shows no signal on the signal bar.
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Oct 25, 2010
At least, I think it was the update that broke it. Anyway, my sound was working fine yesterday. I have gone through this thread to try and fix my sound, and it appears that my sound card has been uninstalled.
Step 1. aplay -l
Code:
aplay: device_list:235: no soundcards found...
Step 2. lspci -v
Code:
00:00.0 Host bridge: Intel Corporation 82845G/GL[Brookdale-G]/GE/PE DRAM Controller/Host-Hub Interface (rev 01)
Subsystem: Micro-Star International Co., Ltd. Device 5770
Flags: bus master, fast devsel, latency 0
Memory at e0000000 (32-bit, prefetchable) [size=64M]
Capabilities: <access denied>
Kernel driver in use: agpgart-intel
Kernel modules: intel-agp .....
Code:
sudo modprobe snd-intel8x0
WARNING: All config files need .conf: /etc/modprobe.d/alsa-base, it will be ignored in a future release.
FATAL: Error inserting snd_intel8x0 (/lib/modules/2.6.31-22-generic/kernel/sound/pci/snd-intel8x0.ko): Unknown symbol in module, or unknown parameter (see dmesg)
Last time my sound wasn't working, I was directed to this thread. The script from this thread might work again, but if it will just be erased after every update, I'd like something a bit more permanent.
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May 4, 2011
the sound stops while playing music or movies and can't be restartet. I already upgraded alsa to 1.0.24.2. I managed to fix the problem somehow after hours of deinstalling and reinstalling alsa and trying loads of things, but I did not really find the cause of the problem.
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May 26, 2011
I had an issue with my mic so I decided to upgrade alsa to 1.0.23 to see if this will fix the problem. I used alsa driver/utils/lib 1.0.23 from alsa-project.org So it fixed it...but now I don't have sound in Flash (youtybe videos, etc.). System sound works perfectly (ev en Skype is working) I'm using Ubuntu 9.10 64bit and Google Chrome browser. flash -> flashplugin-nonfree
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Mar 12, 2010
I have a problem with trying to capture sound through the input jacks on my computer. The sound plays through from the inputs to the output, and it's volume is controlled by alsa mixer, but no programs can pick up the stream, including the PulseAudio and Gnome Volume controls.I have tried many of the suggestions to be found in these forums for sound issues, including removing Pulse, configuring the model in alsa-base.conf, and messing with every setting I can find.Here are the outputs from the commands from the troubleshooting guides:
Code:
lspci -v | less
00:14.2 Audio device: ATI Technologies Inc IXP SB4x0 High Definition Audio
[code]....
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Dec 28, 2010
SOUND from analog Capture is out of sync in Pinnacle Studio 14.
[code]...
This problem can occur during capture from an analog capture card if CPU utilization exceeds 95 percent. To avoid this problem, configure virtual memory to be "System managed" by following these steps:
1. Choose Start -> Control Panel.
2. Open the System control panel.
3. Click the Advanced tab.
4. Click the Advanced tab.
5. In the Virtual memory box, click Change.
6. Select System managed size, and click Set.
7. Click OK.
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Jun 18, 2010
I am using a couple of Debian Distro (Sid and Lenny) add some Ubuntu into the mix. I made the switch because I was amazed and satisfied with Debian --> once installed, everything works. For me that's okay for o so many years now. I don't question a lot because it just works and I do my job on it satisfactorily. Namely programming the LAMP style programming. Lately I have been using Debian to communicate over the internet -- using Skype and Pidgin and other such things, not to mention listening to music, watching movies, just using the default applications when I originally install Debian.
Along the way, I need to configure something -- that is desktop related -- like the screen resolution of a new LCD monitor replacing the old one and such. Now about my sound -- I'm not touching it because it is working. But that is not the case always. Now I have a constant error -- it is irritating. Rhythmbox don't make a sound always when I have open a web browser (iceweasel, chrome, epiphany) and a site with multimedia object on it -- like a video or something. So how do I correct this? How do I know, too what I am using -- ALSA or Pulseaudio?
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Dec 2, 2009
1. I run Suse 11.2 with two sound cards , one HDA comes with motherboard and second is USB, which I use for skype and talking. In YAST everything is fine the motherboard card is marked as prime card and the usb card is marked as second. But often when I log in alsa decides that second card is main and I have to pull out the USB card, run command "rcalsasound restart" and put the USB back afterward. It is a way that to be fixed in the way that alsa remember my choices forever. 2. The other problem is that from time to time the sound suddenly dies and I have to bring it up with rcalsasound restart again.
But I have to admit that their significant improvement with managing sound with PulseAudio.
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Mar 17, 2011
I've got sound - I hear all the system sounds, I can play sound files, CDs, etc. But I have not been able to record and play back anything with success.
Originally, when I would record (either with arecord or with audacity) I would get extremely low quality sound, with lots of noise and crackling, and my recorded voice was barely audible (even with volume turned up to max). I played with alsamixer for hours without being able to improve matters.
Things are worse now. I tried installing alsa-firmware, as indicated at SDB:Audio troubleshooting - openSUSE. I also tried updating alsa following instructions given at SDB:Alsa-update - openSUSE. I'm not sure which of these changes did it, but the result is that I can no longer record ANYTHING at all. I get absolutely nothing, not even the low quality noise and crackling I was getting before. It's as if there is no audio input at all.
Uninstalling alsa-firmware and reverting back to the older alsa version (1.0.20) didn't change a thing.
I'm running openSUSE 11.2, kernel 2.6.31.14-0.6-desktop, alsa 1.0.20. My sound card is a Creative X-Fi (by the way, yast cannot detect my card, another problem I have never solved).
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Sep 26, 2010
I posted my question on Linx.com, but have not received an answer after 75 viewers to my question:
Ok my respected Linux genius. This is my project. First I have a Windows / Linux combo OS set-up!
In my windows, I use the latest realtex sound driver as this gives me complete control with recording output control and Microphone gain control. In the set-up, there is a stereo mixer component with is necessary to engage the direct sound recording from my sound card. To make this all come together, I use a sound recording software [ free sound recorder 9 ] and to convert the recording to a wma, wav, or meg, I use Roxio 10 to produce audio cd's to play on all CD Players.
The challenge for me in Linux is to create the same set-up with Linux applications to produce the same professional results.Presently, my kubuntu 10.04 has Alsa sound drivers, with a version of realtek incorporated. I have the Alsa mixer software as well as Audacity as the sound recorder program. But no matter what I do, audacity depends on the microphone to record, which makes the final recording pure crap. If I lower the microphone boost or gain in my Alsa mix, then Audacity can not record the ambient sound from the speaker output and it will only recognize mono and pulse as the sound method. With the pre mention set up, Who has a set up identical to what is offered to windows that will do exactly the same for Linux. I basically want to record directly from the sound card in my Linux, without depending on using my microphone and then a CD burning program to make the conversion to MPEG or the necessary file format for the burned CD to play in all CD players, not just on a PC) I am trying to stay away from command line language in the terminal. I really need a replacement for Audacity,cause Free Sound Recorder is made for Windows Platform......I need a Linux sound Guru for the answer.I am not doing this to pirate music....I have over 3,450 music track inside my Rhapsody subscription and I like to record music for personal listening on my portable CD player and at 0.99 per track charge to do this in Rhapsody, I might as well by a recording studio and hire the singing artist.Basically in short..I need to know if there is a setting I can engage in my Alsa Mixer panel that will allow me to record directly from my sound card without using my microphone as a default. When I mute the microphone in my Alsa control panel, my Audacity program will not record using the microphone, which I do not want to use anyway. I just want to record straight from my sound card, as this eliminates all hiss, distortion that is inherited with using a microphone.
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Jan 2, 2011
I should create the bridge between a linear input and output. It is desirable, with possibility to impose effects on a sound. (But it isn't obligatory)
Alsamixer:
lspci | grep Audio:
Quote:
egor@egor-ubuntu:~$ lspci | grep Audio
00:08.0 Audio device: nVidia Corporation MCP79 High Definition Audio (rev b1)
02:00.1 Audio device: nVidia Corporation High Definition Audio Controller (rev a1)
[code]....
Alsa and PulseAudio was installed from PPA.
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Mar 14, 2011
I have a new install of 10.10 on a Toshiba Satellite with a dual boot of win7. I installed 10.10 and on the first night I swore the headphone jack sent sound to my external speakers (may of been plugged in during install). Then the next day I couldn't get any sound out of the jack. Sound kept coming out of my internal speakers. In win7 the jack worked normally. In Ubuntu I have checked sound preferences and my alsa mixer. There is no listing for a headphone jack (so it is not muted).
[Code]...
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Mar 20, 2011
I am using Ubuntu 10.10 x64 on a Dell Studio XPS
I am unable to get JACK to make any sound from any of the applications which plug into it.
Code:
lspci:
me@TheComputer:~/Desktop$ lspci
00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio (rev 06)
me@TheComputer:~/Desktop$ cat /proc/asound/cards
0 [Intel ]: HDA-Intel - HDA Intel
[Code]....
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May 18, 2011
I have been searching for an answer through most of the recent posts about sound issues but have not been able to find a solution. I am currently unable to capture sound from the "Line" input on my sound card. I do have sound and is working correctly for all applications and I do have P/A disabled (I'm not a huge fan of the sound quality with P/A enabled). I have checked and re-checked many settings but to no avail have not been able to capture sound. I'm sure I may be missing something or have not done something in order for this to work. I was using openSUSE 11.4 on a different pc and had no problems, unfortunately this is a different pc with a different sound card which is on-board so I am not entirely familiar with it yet.
It is a C-media CMI9880 which shows up as a Intel HDA (ICH6) and appears to be configured correctly.
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Dec 17, 2010
In the process of trying to get the softmodem working, I finally attached speakers to this laptop and tried to play some sounds. Nothing but silence. Both the KDE system sounds and a stand-alone player (noatun) produce nothing. No error messages that I can find, either. (That might explain why the softmodem is dead, too...) I've run alsaconf several times, and even uninstalled and reinstalled ALSA. It thinks it is working, but is not. What sorts of things do I need to check to find where it isn't working?
Info: The motherboard is a FIC 3500W with the VIA P4M800 integrated chipset. This includes the VIA 8237 sound system, which is what ALSA detects and tries to use. The machine also has a Realtek ALC655 but I don't see any drivers for that in the lsmod output, so this is a possible source of the trouble.
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May 29, 2011
I decided to break free from the horrible life of a windows vista user. I like my new debian (Wheezy) installation and everything worked fine so far. Now I stumbled upon a huge problem. When I want startup and login into my gnome installation the first application I open gets to play sound and others after that just don't work. I looked endlessly on google but in my understanding the problem is within the ALSA driver.
Some specs :
OS version : Debian 7 (Wheezy)
Laptop brand : Packerd Bell Easynote LJ-65
Kernel installed : 2.6.38-2-686 (Standard one in wheezy)
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Sep 1, 2010
I have just installed OS 11.3 onto a lenovo desktop / Thinkcentre that previously had vista installed on it. With Opensuse I am having trouble getting much sound volume. With Vista the volume was fine but with Opensuse I have PCM, Master running pretty much on full. This gives me a respectable volume but I think there should really be more left in the tank from what I have it at. Is there any way to increase the gain in Alsa? The sound device shows in KDE as HDA Intel (AD198x) using xine backend.
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Jan 3, 2010
I don't have any sound after installing Linuxant ALSA driver. I tried uninstalling it and the hsf driver, didn't help. Reinstalling ALSA didn't help either. Ubuntu doesn't detect my sound card, and aplay doesn't detect my sound card. lspci -v output for sound card:
Code:
00:07.0 Audio device: nVidia Corporation MCP67 High Definition Audio (rev a1)
Subsystem: Acer Incorporated [ALI] Device 0126
Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 10
[code]....
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May 19, 2010
I was having issues with the mic or line in on my onboard sound card, while trying to get my tvtuner patched in, later I gave OSS a try, I could not get it to work and decided to go back to Alsa, now my soundcard is not functioning.I have followed quite a few different guides, one of which is the sticky, please forgive me for not remembering which guides. I'm going nuts over this.As you can see below it looks like it is still using the oss driver.
uname -a
Linux freekbox 2.6.31-21-generic #59-Ubuntu SMP Wed Mar 24 07:28:56 UTC 2010 i686 GNU/Linux
aplay -l
aplay: device_list:223: no soundcards found...[code].........
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Jun 18, 2010
Im using Ubuntu 10.10 Alpha1. I plugged in a set of headphones, and it cut out my speakers. I know how to fix this in Alsa Mixer, but the command for it obviously isnt the same as Karmic.
I type Alsa Mixer, it says Usage: /sbin/alsa {unload|reload|force-unload|force-reload|suspend|resume}
Anyone know a way to open A.M. that it will.
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