Ubuntu Multimedia :: USB Mic Very Low Sound Level
Jan 9, 2011
Ubuntu 10.4 recognized a Samson C01U usb microphone when plugged in the very first time and the mic could be selected in Sound Preferences on the Input tab.gnome-alsamixer also showed the device from the beginning with a single volume control.After many hours of work backports-modules were removed and alsa-driver-modules reinstalled.There is now, finally, at least a signal that Applications|Sound & Video|Sound Recorder can record. The recording is very faint, but its there, along with an industrial amount of noise.
alsamixer gives 2 warnings about 'no idea what to do with line-in mode and Mic-in mode'. Forum posts have alerted there can be problems if both of these are on at the same time. One or the other should be muted to avoid a conflict. Muting line-in or Mic-in has no effect on the error messages. Maybe these warnings are unrelated to the core issue and can be ignored? The machine here is a desktop with 2 soundcards and playback works without any problem. Both JACK and Ardour seem to be working fine. Just no recording capability thru the USB Mic.Can someone shed some light on the signal strength issue and what may be needed to get the mic to work.
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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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Jul 2, 2011
I'm using OpenSuse 11.4 64 bits with KDE 4.6.00 (4.6.0) "release 6". Since several days, the sound level setting via the sound icon at the right of the task bar is very slow, ie it takes several seconds (not to say one minut or more) between the action of increase / decrease the sound level and the effect on the sound level.Same behaviour when I select this sound level icon at the right of the task bar, the cursor appears one minut later.
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Nov 27, 2010
Can someone recommend a good app to monitor the OUTPUT of my soundcard? I don't just want to look at the VU meter of my music player - i actually want to see what the soundcard is outputting. Windows drivers for my soundcard (Audiophile 192) had this ability, but I'm not sure what software to use in Linux.
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Aug 3, 2010
I was just using the mic and watched it stop working suddenly. I was in the middle of a skype test call when the graphical mixer level died down to zero in the middle of the call. When the test call was played back, the first part sounded fine then the sound got lower until it became inaudible. Since then I can't get any sound from my mic in skype.
Also, the audio input level graphically shown in Sound Preferences shows no fluctuations in sound as it used to before. The input device is enabled. I tried using Sound Recorder to record some sound clips and that worked fine. So the mic is working but Sound Preferences and Skype seem to have the mic level really low. I'm not sure what else to think considering it was working perfectly a few minutes ago. I've tried restarting, but that didn't fix it either.
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Jun 22, 2010
so, i just recently installed ubuntu and i tried to go watch a videos video and i noticed my speakers weren't working. then i raised the volume from mute to "1", no sound, then to "2", again no sound. then i went to "3" and the sound came on but it was ridiculously loud. it does this with all sounds from my computer, the first 2 notches don't emit any sound but the third and above emit sound at a very high level. running a dell precision m90 notebook. never had a problem when running my windows 7 boot, only my ubuntu boot.
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Jul 1, 2011
is there a way to set level of sound parameters (those you can set by running "alsamixer") at boot?Sound on my netbook is low. I fix that by running "alsamixer" and bringing PCM level to the max. However, as soon as I restart the system, low sound is there again, and I have to run "alsamixer" again. Any definitive solution?
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Oct 1, 2010
If I set the level for headphone via Yast/Sound at 50% it is back to 100% after a reboot what gives Pulse-Audio vs. alsa ?I'm running a Dell latitude D830 and the card is 82801 H (ICH8 family) and the driver is snd-hda-intel.
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Oct 31, 2010
I'm wondering if I could get the sound peak level value at a certain time in decibels or percentage using the terminal through a command line ? Is there a feature for ALSA that could allow me to do that ? or is there a piece of software that runs in a terminal that could do that ?
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May 26, 2011
In playback application i guess "snd_pcm_lib_write1" is the function call used to write the audio data to sound card at kernel level.If that is true. how can i send the same audio data at kernel level to other system connected over LAN.
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May 8, 2010
How can I adjust the levels at which the battery is considered to be critically low?ight now it seems this is set at 5 or 10%. I want to make it 20 or 25%This is for Gnome. I am using Lucid x86
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Aug 10, 2010
I've been able to kludge a kill script which finds the correct pid for the kdeserver (or gnome server) after my system comes up in run level 5 so I can drop back to run level 3 mode. Lots of experimentation showed me that using telinit 3 and telinit 5 would occasionally leave the video memory in a mess and I would have the black screen of death.
I set the security parameter setting to autologin for me since I am the only user of my machine, but I still have to kludge the default setting under sysconfig (the DEFAULT_WM) under Window Manager to pick a certain window manager, so it takes time to manually switch the desktop.
Right now I can leave the gui and drop back to cli, but painful experimenting showed me that killing the X server is a no no. Right now I kill the kde server, which sends the SIGTERM to the X windows manager, which then figures out that it has to shut down.
Questions: Is there a better way of doing this? Apparently openSUSE figures that we have multiple users logging into the gui desktop, so the gui is always kept running and a login window with the desktop manager option forces the user to login in. With autologin, this never happens, but no choice of desktop is possible on the fly.
Can some type of script be set up to painlessly enable this to happen? And what is the best way of bringing either the Gnome or KDE desktop manager down gracefully? I do get lots of error messages as the system attempts to recover and X shuts down. It appears that apparently the single user with autologin is left out in the cold.
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Feb 6, 2010
I want to install a software called TinyOS which is an operating system designed for wireless sensor embedded networks in my account. The problem is it has instructions to install the software as an administrator since i'm not an admin of the department network i can not able to install. Is there any method to install this software as an user level rather than admin level.
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Feb 17, 2010
So trying to use skype. all is going well, except when I speak or even as soon as the female voice from the testing service comes on, the input volume automatically starts dropping. this is an issue, as my voice sounds quieter and quieter as the call progresses. Any thoughts or how I may lock it at a higher input volume?
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Jan 15, 2011
hello everyone, im having a problem when my computer enters in the run level 4 as the default when i start slackware. The strange thing is that it not seems that is a X window problem, it looks like more like a configuration problem in some part of the kde script to initialize the log in, because if i manually start the X service it works fine, i dont know what is the source. Thank you in advance for the help.
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Jan 6, 2009
I want to know what are the advantages and disadvantages for accessing spi(serial peripheral inerface )from kernel level and user level. like methods of doing it, speed ,memeory utilization etc
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Jul 17, 2010
There used to be a dropdown menu at the bottom right corner of the main window of GIMP (the window with whatever image i'm working on), where i would be able to select between zoom levels (such as 50%, 100%, etc). Recently, that menu seems to have disappeared, and i've had to use the actual zoom tool, which i find frustrating since i have to switch back and forth between tools.
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Oct 17, 2010
I want a video editing software for combining two videos at frame level. I mean, for eg: to show double action at a time in movie. We shoot two characters separately. And then we combine it as a single video with dual role effect. Now, I think you understood my requirement. Plz anyone tell that type of application which suits my needs.
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Jul 2, 2010
After login is always volume level set on 100%. Alsactl store and restore works properly. Manually run: sudo /etc/init.d/alsasound reload reset volume level into proper level, but after login to Gnome is always volume level 100%,Here are some logs:
rpm -qa '*alsa*'
alsa-utils-1.0.21-3.1.x86_64
alsa-firmware-1.0.20-3.2.noarch
[code]....
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Jan 8, 2011
I have an Echo Mia soundcard that I had working in Ubuntu 9.04 fine but just upgraded today to 10.04. I got the card working fine with the Medibuntu respository Alsa Firmware. However, every time I boot up the volume is insanely loud (I use studio monitors with a set volume). As soon as I click to change the volume it suddenly kicks in down to the correctly set volume but I need it to not boot at max. I remember I had to do something in 9.04 to resolve this and had the Echo Mixer in the panel as a launcher but I can't remember what I did to get it to initialize the volume correctly. I've tried everything I could think of to no avail.
Anyone have any ideas? Even if I could just use a script to set the volume to initialize to a specific level I'd be fine with raising it after.
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May 9, 2010
I have a minimal debian install, with not much more than enough to run scrotwm, I want to change the basic arrow cursor to a png I have. Is there a simpler lower level way of achieving this without having to install and modify an existing cursor theme. I installed x11-apps just to get xcursorgen... though idk if this has been an essential step or not. Anyway, I have run it on my arrow.png/arrow.cursor to create a "default" cursor file... though am lost as to where to go from there. I have no idea where the existing default cursor is located, though i suspect it's a font cursor not a icon cursor...
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Mar 20, 2011
This is a Lenovo L512 laptop with Intel HD Audio (Realtek ALC269 / Intel G45 DEVIBX) which was recently upgraded to Squeeze. I've been having trouble using the headphones on this machine, as the speakers continued to play while the headphones were connected. I normally use KDE, and the available mixer only offers one channel. I thought I might be able to manually silence the speakers by using the command line tool alsamixer. Unfortunately, alsamixer has a channel for the headphones, but it doesn't do anything, only master volume is controllable. By luck I decided to play around with Gnome today and to my great surprise, System -> Preferences -> Sound offers complete control over all functions of the audio hardware. Does anyone know how I could get these features working under KDE?
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Jul 21, 2010
[code]...
you can find a cutout of an output generated by "iwlist s" command for a cell. Does anybody know what Quality, Signal level and Noise level mean? What is the definition of them? I searched for it and could not find good information on it. What do these Extra:*** fields for? What does it show in the example above? How were those values computed?
[code]...
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May 12, 2009
Hi Guys,
here is my scenario:
I am running F10 x86_64 with Nvidia Quadro FX 3400.
I installed the drivers and it worked just fine. No errors generated according to Nvidia log files.
However, while in run level 5 when I try to switch to run level 3 by typing "telinit 3" or "init 3" the X server goes down and I get a blank screen. Same thing happens when I try to switch to a different tty session by <ctrl>+<alt>+F2 (or any F key for that matter).
I also noticed that when I shut down my system I can't see any more the screen where services are shutting down and their status ([OK] or [failed]).
Would appreciate your help on solving this issue.
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Jun 17, 2010
Hey Guys, I'am new here and request your help on this:
After installing emacs and a few dependencies on my RHEL 5, on restarting the system, the keyboard was not able to work. I restarted several times in vein.
However, when I start in single mode, it works perfectly. I have tried looking for a solution from google, but in vein.
Kindly help...
Regards, Andrew
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May 27, 2010
I have a directory that has a another directory inside it. The top directory is rather redundant since it only contains the one other one. Is there a way to delete the top level directory and have the contents simply "move up a level"?
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Jan 3, 2010
I am unable to hear any sound at all using my M-audio delta 44 soundcard (which works fine in Windows - Dual boot).how I can get this working?
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Dec 20, 2010
I have been using Ubuntu as my main OS on my desktops for a couple of years now. Started off with a HP with a Creative Labs XiFi soundcard, but am now using a Dell with a Creative Labs Audigy. Sound worked perfectly on the Dell since a clean install (about 7 months ago). I turned it on a week or so ago, and no sound! Even the little sound indicator in the notification area has gone.
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Jun 7, 2011
After installing I was not able to get many of the audio programmes to work. After some reading, I realised that this was probably due to jack not starting.
I was unable to get jack to start normally but have been able to get it started with the playback only option selected. Programmes that use jack now work, however there is no sound once jack has been started. The sound does work in other programs when jack is not started. Strangely, I only have to open qjackctl for the sound to stop, and jack is not even started. Initially I thought these problems were due to my sound card not being supported, but I believe that alsa support was added for the via 1708 codec at some point. I found that support had been added in a document showing the changes between alsa versions; however I cannot find the exact model listed as a supported sound card on the alsa site.
I believe that altering jack settings could fix the problem, as i have been able to get audio to work in hydrogen by selecting plughw:0 but there is still no sound in other programs. I have tried altering many other settings but to no avail, however I do not really understand the meaning of the settings that i am adjusting.
Does anyone know what settings to adjust or know something else that might fix this problem so that sound works once jack has been started?
Also, would programmes that use jack such as audacity, hydrogen, and ardour work with pulseaudio as the main sound server if I were to install normal ubuntu - it might be worth seeing if my soundcard works with the puleaudio sound server
if this helps, here is the error message received when jack does not start when the normal duplex option is selected.
21:24:04.867 Patchbay deactivated.
21:24:04.868 Statistics reset.
21:24:04.886 ALSA connection change.
Cannot connect to server socket err = Connection refused
[Code].....
also, when i open alsamixer in the terminal for some reason the headphone part is greyed out, even when the sound is working before qjackctl is opened.
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May 1, 2010
I've got a custom compiled kernel, just built on Lucid 10.04 from the kernel sources.System works fine, except for sound.When I log in as normal user and try to play a wav file using.The sound file is being played, but I hear no sound.However, when I do "sudo -s" and become root, execute the same mplayer command then I can hear the sound.My Sound preferences shows no input device and only "Dummy Output" as output device.On the generic kernel as came with the Lucid 10.04 CD, sound preferences shows different devices.The strange thing is: when I compiled my custom kernel, I changed nothing to the sound options in the kernel config file.
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