pcm "default" control. arecord is a command-line soundfile recorder for the ALSA soundcard driver. For other programs, the alsa settings are ( for example shairport-sync): output_device="hw:0"; // alsa_output_device. For the system tray, I just use a lightweight app called docker. ALSA doesn't show any controls for this device. Aug 28, 2017 · As an example, on a plain pi with no extra hardware, I can't make the incremental volume changes work - 'amixer set XXX 3%+' should make control XXX increase in volume by 3%. Either that or Chromium is still running off Alsa - I don't care, I have my good quality sound back. DESCRIPTION. Re: Control ALSA volume via custom hot keys Hi, Pontorez. MuseScore works perfectly, Chromium works perfectly. Configuring volume control for USB-DAC to be used via mpd. c -o volume -lasound. I gnash teeth, I tear hair, I move on. OSS Jun 21, 2005 · ALSA volume control. You should be able to put a command to alsamixer or edit your ALSA config files to lower the default volume at boot time if needed. Mar 9, 2014 · There is no volume control available for it in alsamixer, for example. The 'default' device name usually redirects to pulse audio (only Master / PCM controls). Many thanks in Sep 9, 2015 · Re: ALSA volume control with a DAC « Reply #1 on: September 11, 2015, 12:47:59 AM » I think the problem is that the onboard and DAC cards are both defined as default so the control name is only matched to the first. There is nothing to load in the kernel. DF is then Card0, but the Alsa volume reset's Feb 14, 2010 · I love this setup, it's lean, mean and clean. a Bluetooth speaker) Jun 20, 2024 · But the level control for the stereo capture seems to be completely ignored, both in alsamixer and pavucontrol. e. snd_mixer_selem_has_common_volume ( snd_mixer_elem_t *elem) Return true if mixer simple element has only one volume control for both playback and capture. or. the 0 at the end is the number of your device. It supports several file formats and multiple soundcards with multiple devices. 25dB] [on] to now. If I start pulseaudio it will detect the device just fine. However, I want it to adjust the "PCM" level instead. Oct 30, 2023 · A new architecture called ALSA (Advanced Linux Sound System) began development in 1998 led by Jaroslav Kysela to overcome OSS‘s restrictions. 10->2. Review the output of that command to determine the sink number. if I click "more" next to the -V option for Squeezelite. You should check the control ID (name, index, interface) and the control device for the mixer connection. I know how to change the volume using pactl set-sink-volume, but that is only set temporarily. General overview. If your audio files have different formatting, such as word length, sample rates or channels, then you will want to use the plugdmix device like so : Jul 13, 2024 · Loosely, PulseAudio can get confused if you adjust volume through the low-level ALSA while the higher-level PulseAudio server is running (unmuting might not work, for example). A mixer requires both hardware and software components. On Debian-based systems, we can install PulseAudio Volume Control using the apt command: Jun 3, 2022 · Here, you can change how much you want to adjust the volume by (eg: 1%), and the sink number (eg: 2). pactl set-sink-volume [pcm-sink-name likely something along the lines of alsa. However I would like to be able to control my computers volume by setting a custom command in ccsm and link it to a keyboard shortcut but I don't know how to directly control alsa via the command line to up and down the volume. As well as playback my audio files, both local Mar 2, 2016 · Hilbert70/alsa-volume-control. Setting system volume in a bash script (in linux) 1. bluealsa-aplay operates its configured ALSA mixer control to apply volume change requests received from the remote Bluetooth device if and only if the PCM is using native ("pass-through") volume control. May 2, 2023 · It provides APIs for sound card drivers to be used by applications. In this article, I present a brief overview of the ALSA Project and its software components. master. By default, this setting will. Become my channel member: https://www. if a system only has one device you will use 0. PlayerPlayer/Server Beta. //set volume of speaker 90%. 1. amixer's output is hard to parse and its arguments are confusing. Simple ALSA volume control intended for use in scripts. Carla Schroder shows us how to to control Linux audio with ALSA. sparxsys. Easy to use GUI based ALSA default soundcard and volume configurator with Dmix, Dsnoop and Softvol support - alsa-control/README. Now, reboot your computer and try running ALSA and PulseAudio applications at the same time. See those drivers with: pactl list. Save USB audioDo this First:Select Audio output, then press [ Save ] more>. Launch AlsaMixer in a terminal using $ alsamixer. Contributor III. If there's a software volume control plugin, then it's a matter of getting that userspace library loaded, and presumably that's not happening until it is used. They both should produce sound simultaneously. May 5, 2016 · type the following then use your arrows to move right/left and make the volume higher or lower by using the up/down keys: alsamixer -c 0. aplay is much the same, only it plays instead of recording. A GUI frontend for ALSA Volume Control. I saw an application called volume icon that might fit Pulseaudio is superior to ALSA in letting multiple application uses the same sinks and sources, while providing volume control on top of that. amixer sset Master 50% Now you can create a simple python script that runs the above command: Jun 13, 2012 · I expect the pi will use ALSA in which case you probably want the command alsamixer from the command line, or maybe there will be a GUI mixer control app. I use pavucontrol to save t Jun 7, 2017 · From the Audio Injector forum topic "Output RCA volume control" the solution is like this: To use softvol, add the following to your ~/. Tried to disable internal RPI audio. ). com/joinIf you are using Linux then fiddling with audio settings can be confusing. I don't even use tint2 as I feel it doesn't add much value. Exactly what the volume control actually does, or if it exists at all, will depend on the driver and the hardware. 2022-12-16, 11:38. When I plug it in it's detected fine. As far as I know, that's a known "feature" for that driver or it's support for that DAC. pcm. I'm seeing about -24db while my mixer shows the output at around +2db. asoundrc. ALSA only, no pulseaudio: There is no "system sound volume", all you can do is set the hardware volume that applies to all sounds. These events are typically sent by USB peripheral devices like keyboards which include volume controls. The hardware has no capability. I suspect the ALSA volume is rather low. Feb 14, 2020 · An ALSA softvol plugin software volume control slider Option 1 (Roon DSP volume) has been described elsewhere on this forum as being a standard, best practice implementation, operating in essentially the same manner as the core DSP engine in Roon (although the reasons for labelling it “high quality” rather than “enhanced” are understood): Jun 19, 2019 · gcc volume. For example, I had the regular volume buttons change the 2nd sink volume, which is my USB DAC, and 'Mod1+XF86AudioRaiseVolume' to change the internal sound card volume by having it control sink 1. If not, if the app allows you to specify the output PCM, then you can set up the PCM in ~/. The only thing I am missing is a lightweight volume control applet that can go into the system tray. step2: Open terminal2 and do the command: pactl set-sink-volume alsa_output. I think I have it, but I don't know how to adjust it properly. I think this should be possible but I am not sure how. Since then we've seen some dramatic changes in sound support including the volume per-channel adjustments, low-latency audio, multi-channel, locking removal, virtual channels, a high-quality resampler, a sync of the API to be compatible with OSSv4, as well as several rounds of device driver restructuring. mixer_control_name="Digital"; // alsa_mixer_control_name. There is also an interface for notifying about control and structure changes. if you have two devices you can use 0 or 1. Hi, I use MPD server and want to enable software volume control in ALSA: In MUSIC PLAYER > ALSA CONFIGURATION > OPTIONS, I input the option mixer_type <software>, as sugested in Snakeoil manuals, but system returns an error, asking for ". Maybe updating ALSA or using another module will fix the problem. When adding '-V PCM', the Alsa volume of Card0 can be controlled. mic part of combined headset jack - 4-pin headphone + mic. 0->0. ALSA has been the default Linux sound system for many years, and it is a perfectly capable audio subsystem even in this modern era of fancy new things. $ amixer -c 0 set Master 100%. !default { type plug slave. It changes the playback/capture volume/mute state then responds with a description of the new state. Mon Mar 18, 2013 6:14 pm. This is the default when this option is not given. conf file asks for mixer_type "software" syntax, but when I input this in Jun 14, 2012 · BlockquoteVolnoti is a lightweight volume notification daemon for GNU/Linux and other POSIX operating systems. Read more at LinuxPlanet. There is an open PR to add an alsa volume controller to Librespot, which will implement a more proper solution. Installation. 2. I know mdp. My suggestion is to start by getting the Sep 9, 2011 · Told MuseScore to run from Alsa, added Alsa volume control to select AVJack. Jul 28, 2010 · 1666. They can then use those ALSA drivers for high level API development. Then run something like "pactl set-sink-volue 3 +5%" (where "3" is the sink # on my machine for "Built-in Audio Analog Stereo"). g. Usually this works just fine, but in some cases this does not work properly. If you use '-c 0' for amixer, the correct device name is 'hw:0' (const char This is the page about the softvol plugin, an ALSA plugin that allows the user to add a new volume control and control the sound volume or parts of it by software. mic part of either/or - 3-pin headphone or mic. The solution is really hackish, but should work. Jul 16, 2019 · sudo pactl load-module module-alsa-sink control=PCM. The ALSA drivers can be loaded automatically on demand by defining module aliases. Tue Jan 12, 2021 5:16 pm. Once that was done, and Audacity was configured to use ALSA in it’s settings, I was able to record and playback at the correct 32/96khz. Or just try by typing amixer and get: Nov 4, 2010 · Volume Control NVidia with ALSA. step3: Listen the earphone and judge the change of the volume while adjusting the volume by "pactl set-sink-volume ". card 0 } You can now play using the softvol control like so : Dec 10, 2019 · 1. You switched accounts on another tab or window. CD. volume knobs) available. More int. py and RpiMqtt. piCorePlayer and hardware volume control. carotte. Contribute to sandeepsinghmails/Alsa_Volume_Controller development by creating an account on GitHub. Apr 17, 2009 · Go to the Sound Effects tab and test that you can control event sound volume, the overall sound theme, and the alert sounds. ALSA is the interface to the linux audio drivers. My only problem is that I cannot set the volume with any application. Jan 4, 2016 · In a setup with RPI > piCore > USB dac (Dragonfly (with ESS9023)), Card0 (internal RPI audio) and card1 (DF) share the name: 'PCM' under the Alsa volume slider. backend = alsa device = sysdefault:HD control = hw:HD mixer = PCM volume Mar 3, 2018 · I have a orangepi pc and need to setup an alsa softvol pcm to control the i2s dac volume. 3. Here's the output from amixer -c 1 which shows the available controls: Nov 9, 2019 · Open terminal1 and do the command: aplay -Dplughw:0,3 test. SaveSqueezelite command string more>. A software mixer is some software which provides a user interface for controlling the hardware mixer. I should want to control Card1, DF. Dreams fulfilled. The string snd-card-%1 is requested for ALSA native devices where %i is sound card number from zero to seven. conf files to a convenient folder. bluez-alsa is scaling the volume in software, but does not use the ALSA mixer control interface. Exactly. Therefore I have create the following /etc/asound. It establishes TTP for force packaging and direct air support coordination, air-to-air communication, intercept, threat warning Nov 10, 2020 · The recommended ALSA config, which we're using, provides a software volume control. amixer -c1 sset 'Headphone,0' xdB+. On a plain pi, with control 'PCM', I can't make it work. ) An ALSA mixer is a device that controls the sound inputs and sound outputs on a soundcard. However, at 100% volume the audio seems rather low. Here is the part of the default config with comments explaining the different settings: # These are the global volume control settings. Again, elem variable seems to be NULL for the control name you're using. Hi, I'm using S/PDIF on imx6ull. However using alsamixer (or amixer) I don't see any audio controls for volume. Card Control ALSA MixerAudio Hardware and Mixer settings more>. Pulse audio has some settings to boost to 150%, but can it be done on a system with just Alsa installed? Yes it can, but it actually rendered my system frozen on several ocassions! First you need to create an Alsa config file, and in there you make a new control that Oct 4, 2011 · I've been looking for a simple C code example to set the master volume of the ALSA mixer but could not find anything simple for this supposedly common operation. ALSA stands for the Advanced Linux Sound Architecture. why? I haven't found anything that actually works for this and has output that's easy to parse. However operating it is still not entirely straightforward. Apr 13, 2020 · From what I remember there were some firmware changes that affected volume control, but I think that was to allow people to add physical switches to control the volume too. alsa-volume. aplay -L I get: null Discard all samples (playback) or generate zero samples (capture) default:CARD=ALSA bcm2835 ALSA, bcm2835 ALSA Default Audio Device sysdefault:CARD=ALSA bcm2835 ALSA, bcm2835 ALSA Default Audio Device default:CARD=DAC USB Audio DAC, USB Audio Default Audio Device sysdefault:CARD=DAC USB Apr 19, 2015 · Volume Control NVidia with ALSA. Some more background information is here. Oct 24, 2020 · This tells squeezelite to use this control when asked to change volume, instead of using the software volume, as documented in the squeezelite man page for the -V option. Jan 26, 2019 · Try determine what output you're trying to control by running: "pactl list sinks". Mar 27, 2020 · mplayer alsa:device=dmix audioFile Now you can invoke mplayer as many times as you want concurrently playing audio from different files. ALSA driver works great. I love the lightweightness of openbox. Set volume on the commandline in Linux. JAVA: Controlling volume of an audioinputstream. Oct 21, 2023 · I am running Linux Mint and whenever I use my system's hardware volume controls (e. 07-23-2021 01:45 AM. Jul 10, 2019 · 1. Sep 14, 2021 · alternate sample rate = 96000. # hardware mixing. Mono: Playback -525 [91%] [-5. VLC can boost to about 125% and Mpv can go up to 130% by pressing the * key. Setting system volume in a bash script (in linux) 3. Run the command alsamixer in a terminal and press F4 to select Capture volume levels. it would be very appreciated. To turn the audio volume up, press 0 and down press 9. With the command. (Whether this is PulseAudio's or ALSA's fault is beyond the scope of this wiki page. #321 is about adding the latter, but it does not work with all ALSA configurations yet. See: #321 (comment). ALSA とは、Linux で音声入出力を行うための標準的な仕組み。開発者は ALSA を使う事によってサウンドカードの違いに煩わせず互換性のある音声入出力プログラムを書くことが出来る。ALSA による音声再生をテストするには aplay コマンドを使う。 Oct 2, 2023 · Lower the AlsaMixer Digital Gain. though you could also specify an integer or a linear factor: set-sink-volume SINK VOLUME [VOLUME ] Set the volume of the specified sink (identified by its symbolic name or numerical index). It replaces the original Open Sound System (OSS). Simple ALSA volume control for xfce4-panel License. Code: Select all. The following command will set the volume on the Master control/property of the first sound card to 100%. Switch Feb 15, 2014 · Hi tc-fi, RuneUI volume control just lets you set the way MPD controls it, with no need to manually edit its configuration file. I can only mute/unmute the sound with alsamixer but I cannot change the volume. analog-stereo Description: Built-in Audio Analog Stereo. The latest version of PulseAudio tries to control the volume of the sound card using its mixer controls. In Alsa, there are physical sound cards, such as USB headsets, and virtual sound cards, such as "pulse", which represents the PulseAudio Sound system. This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. If your microphone is not available, use F6 to select your microphone. If nothing works, you can define a new virtual pcm device in the I'm trying to change the master output volume of my USB DAC (PCM 2704). md at master · sezanzeb/alsa-control Find the plugin labelled Volume Control (ALSA/BT), select it and click Remove. On my Pis I have an i2s card set up and would like to use hardware volume control. 1) On the Raspberry Pi or other devices using Alsa, copy the MqttVol. I will rework #321, but it may take some time. The Advanced Linux Sound Architecture (ALSA) provides kernel driven sound card drivers. If this at all possible. I would be happy if anyone could provide one. It consists of a set of kernel drivers, an application programming interface (API) library and utility programs for supporting sound under Linux. 1,739 Views. Expected behaviour mem no longer increase Actual behaviour mem increase Steps to reproduce the behaviour $ killall mate-volume-control-applet $ mate-volume-control-applet (mate-volume-control-applet:1175): libmatemixer-alsa-WARNING **: 0 Apr 25, 2019 · 1. In fact, ALSA controls the volume and other audio parameters of any sound that comes from our computer. You'll see something like the following: At the top, note the status information. GPL-3. softvol { type softvol slave { pcm "hw:1,0" } control { name "SoftVol" card 1 } } and here are the detected devices Dec 14, 2011 · Shark wrote: control the volume of each application. This is often necessary if the sound card can't control the volume by hardware. hda. Aug 28, 2014 · Audio is based on alsa. (i. snd_mixer_selem_has_playback_volume ( snd_mixer_elem_t *elem) Return info about playback volume control of a mixer simple element. This happens if your sound card can't control the volume on the hardware side or the driver doesn't support this feature of your sound card. On a pi that has added hardware with a control 'Digital' it works no problem. pCP. If it is exposed then the squeezelite -V option lets you tell it which alsa control to use for volume. pcm "softvol" } pcm. will set the master hardware volume to 100%. To read or change audio volume in Linux, we need to get from or set values to a part of ALSA called the mixer. Card 0: 'E30' - Control: 'E30 '. The following command will set the volume on the Speake r control/property of the second sound card to 30%. PulseAudio Volume Control is a graphical tool that allows us to configure and monitor audio settings in the system. The key is the mixer control name. You signed out in another tab or window. It is based on GTK+ and D-Bus and should work with any sensible window manager. Mar 17, 2013 · Re: ALSA problems. My setup is Debian GNU/Linux 12 (bookworm), standard apt including contrib. This howto describes a workaround if your master volume doesn't work. I have a Topping E30 which shows up as. auto - the volume control method is determined by the BlueALSA PCM. You signed in with another tab or window. I'm totally unfamiliar with ALSA, so making my own minimal example will take time. This is a small Python based daemon for Linux systems using the Advanced Linux Sound Architecture to allow USB HID 'Consumer Control' volume events to adjust the ALSA mixer volume. conf: mixer_type "software" The primary problem now is that there is some lag in volume control that wasn't there with the Optional: If you use kmix you may want to control ALSA volume instead of PulseAudio volume: set KMIX_PULSEAUDIO_DISABLE=1 as an environment variable. There is a tool for the Alsa command line called amixer:. pactl set-sink-volume 0 -5dB. wav. The above program is not setting up volume in proper percentage which I am passing as an argument. Then, amixer -c2 set Master 100%. MQTT Alsa Volume remote control. name "Master" control. /volume 90. You'll see lots of stuff like: Name: alsa_output. Name of your playerLiving RoomSpecify the piCorePlayer name (-n) more>. hdmi-stereo $ {volume value}%. Jul 22, 2015 · In any case if you query the ALSA volume post-kludge it's clear that the android media volume setting is having no effect on the ALSA value which remains whatever is specified in asound. Sound output by default will by either HDMI or Audio Out Jack, and by default it will auto-detect,: HDMI output: sudo modprobe snd_bcm2835 sudo amixer cset numid=3 2 Audio Jack output: sudo modprobe snd_bcm2835 sudo amixer cset numid=3 1 Autodetect output: sudo modprobe snd_bcm2835 sudo amixer cset Aug 17, 2017 · 2. These are the settings i have now in spotifyd. conf. I can select HDA Nvidia as a device but I can't select a Mar 27, 2019 · 27-Mar-2019, 12:57 AM. The folder used in testing was /var/www/html. I enabled it and I get sound over HDMI and I can control the sound level using "pavucontrol". Dec 16, 2022 · Posts: 14387. pci-0000_00_1f. If you disable module-udev-detect, and make module-alsa-sink use a dmix sink (assuming that works), you won't be able to do that properly. Line. Use the Right-arrow key on your keyboard to navigate over to the Digital level (you’ll see the names of each setting highlight as you arrow across) When you reach the Digital output setting, use the Down-arrow to lower the total output to a more approachable level. On the Output tab, test that the balance slider applies its changes immediately. I really dont use linux for a long time. When doing . This starts the mixer with your default ALSA sound card. Softvol. Use the arrow keys to increase or decrease the gain. You can also increase or decrease it: Mar 22, 2022 · Closing this one as leak seems in libmatemixer. alsaloudness is a loudness-compensated volume control for ALSA. SoftVolume { type softvol slave. Jul 20, 2003 · I noticed the first output device is a "GF100 High Definition Audio Controller" and the Port shows "HDMI/DisplayPort (plugged in)". [ Log in to get rid of this advertisement] Hi, I installed my sound card not long time ago. 0 license 11 stars 1 fork Branches Tags Activity. Say you are using card 2. If recording with interleaved mode samples the file is automatically split before the 2GB filesize. Volume range anomalies. AlsaMixer is one of the least deceptive of the volume control apps available on DICE. asoundrc file : pcm. Percentage given to volume program -> actual set volume. However, my "Volume Control" can't control the audio volume. Besides the sound device drivers, ALSA also bundles a user space driven library for application developers. September 2021. Maybe this is already enabled but I have just not Apr 24, 2017 · This should be solved on master, binaries will be available in a bit. The original aim was to create a volume notification daemon for lightweight window managers like LXDE or XMonad. on September 30, 2004. Changes to this must be reflected in the mqttvolD file. First, find the correct card with aplay -l. The hardware mixer is part of the electronics inside a soundcard. then (just to double-check, see if you see the new output visible through the pavucontrol i. and Pulse Volume manager configured for my internal soundcard as stereo input only, and my external dac as stereo output only. Each app is supposed to contain its own volume control. Star README. Just give the default way a try. it tells you the name of the device currently being edited so you don Mar 18, 2024 · PulseAudio is a sound server that runs on top of ALSA and provides advanced features such as per-application volume control and networked audio. Reload to refresh your session. Multi-channel audio ; Mixing . Jan 2, 2020 · If you need to control the volume (make microphone louder or quieter) then follow these steps. This is the page about the softvol plugin, an ALSA plugin that allows the user to add a new volume control and control the sound volume or parts of it by software. conf Therefore part of the problem is that rather than controlling the ALSA volume, the native android volume control overlays the constant ALSA value. Alternatively, in the Desktop Menu, Preferences section, open the Appearance Settings application, go to the Defaults tab and press one of the Set Defaults buttons. I could write a script that is run at startup, but it will not be applied if I connect a sink later. input only, use “Line Out” for output. . pulseaudio volume control GUI) you can control PCM sink output volume directly with. How to set control Mar 25, 2016 · If your system is using pulseaudio you could use pactl: pactl set-sink-volume 0 +15%. To auto-load an ALSA driver for OSS services, define the string sound-slot-%i where %i means the slot number for OSS, which corresponds to the card index Jun 16, 2019 · Another way is to control volume through a command line tool. 6 kernel release in 2002. 3. This is why you’d need to install pulseaudio-alsa if you want to control volume with ALSA’s amixer while simultaneously running PulseAudio. Output setting Specify the output device (-o) more>. , volume up/down buttons), it adjusts the "PCM 1" level in alsamixer. If I enter that in the box I can't control the E30 volume in pre amp mode. 0 license. Click the Add button, Find the plugin labelled Volume Control (PulseAudio), Click Add. Controlling the Mixer ALSA Mixer. Sep 30, 2004 · by Jeff Tranter. Features. Both Alsa and Pulse volume controls alter the volume of both MuseScore(Alsa) and Chromium(Pulse). The ALSA project aimed to provide: After extensive development, ALSA reached maturity and replaced OSS as the standard Linux audio interface in the 2. Essentially, the issue is that Librespot defaults the mixer to full volume. Headphone Mic. $ amixer -c 1 set Speaker 50%. Is this your tool? First, do you have Alsamixer? It depends on your audio drivers. (1) Keyboard sound control with multimedia keys is done with xfce4-volumed, which is installed as part of the Xfce package. I have been able to increase the volume which was. TL;DR Requesting similar feature as shairport-sync has for maximum alsa performance ignore_volume_control = "yes"; // set this to "yes" if you want the volume to be at 100% no matter what the source's volume control. Use pavucontrol to control PulseAudio volume if needed. It is based on the ISO 226 equal loudness contours, it is fast (thanks to FFTW for the most part) and should be able to run in real time, presenting a very small load to the CPU, even for the embedded systems often used in media player setups. – Jul 23, 2021 · ALSA Volume Control for imx-spdif. I got mpd control the volume by uncommenting this in /etc/mpd. On the Input tab, test that the input level display works, and that the input volume control is effective. default] 50% Jun 4, 2014 · When I reboot, the volume on the PulseAudio sinks is set to 100%. Description: This publication establishes communications tactics, techniques, and procedures (TTP) for tactical command and control (TAC C2) to manage air operations and control airspace and aircraft. #1. Remote Control for Alsa on Raspberry Pi for control by Home Assistant. Another usefull thing you can do is control the volume of every application seperatly, even Oct 2, 2022 · 3. Each sound card offers a control interface, making its settings (e. General stack is wireplumber and pipewire, implementing JACK via pw-jack and pipewire-pulse. Softvol can be convenient, but is not necessary - the ttable lines can control volume. platform-70030000. Jun 2, 2020 · Re: how to set sound volume. The next time you log in to your Desktop, you won’t see the Volume Icon around the system tray area. Jun 17, 2015 · There are some generic and driver-specific config files in /usr/share/alsa/init/, where you can specify settings like ENV{ppercent}:="75%" and ENV{pvolume}:="-20dB" (pvolume = playback volume, cvolume = capture volume, etc. Now ALSA is installed by default in Ubuntu but since we have to have a GUI for configuring audio mixing, let’s install the default tool that came in Gnome desktop called: “Gnome-ALSA-Mixer” (a GTK+ front-end). pz qd km vo zi km sa do ln bx