alsa-utils | The Advanced Linux Sound Architecture - utilities | Audio Utils library

I am trying to run the following command comm -23 <(pacman -Qqe | sort) <(awk '{print $1}' /desktopfs-pkgs.txt | sort)

I get the following output

I am able to build an image from the file. However, when I try to use the speech recognition I receive an error.
This is my dockerfile

I am having sound issues with my firefox. The problem is that, sound comes off as almost muted and sounds like it is coming out from the back speakers. My firefox is using wayland

I've had a similar problem with VLC. I was able to easily fix VLC by setting the audio output module from pulseaudio audio output to ALSA audio output and selecting Default ALSA Output (currently PipeWire Media Server) as the Device. like shown here.

Firefox about:support shows the following for the audio output

when I was installing arch, I installed the following: alsa-utils, pipewire, pipewire-alsa, pipewire-pulse, pipewire-jack

my pavucontrol is configured like this. If I select Analog Stero Duplex as the profile, then audio from all sources through firefox works . The only problem is, I can't adjust the volume anymore. The sound is either 0% muted or 100% all the time. With Pro Audio, I can adjust volume but some sounds will not work in firefox.

I was able to partially fix the sound issues on firefox by installing xdg-desktop-portal-gtk. No most youtube videos thru firefox works great. Not all of them work. Some videos still have the same sound issues. I don't know why. For example, this video https://www.youtube.com/watch?v=2iarxxm-v9w Other non-youtube sounds still come off as muted. For example, sounds from this website: https://erogol.github.io/ddc-samples/

If there is a way to configure the alsa/pipewire settings globally, so all applications use it as default, that would be ideal. But getting sound to work on firefox just itself will still be a big win for me either way.

I am trying to copy a file from my host (Ubuntu 18.04) to a python container but I am having trouble copying it over. The purpose is to take my specific configuration for my default sound device and transfer it over so I don't have to do it manually later.

I've tried several variations and I am wondering if I am misunderstanding how to copy files over. I've checked the documentation and other various questions people on stackoverflow have asked regarding this like this one:

How to copy file from host to container using Dockerfile

But I get an error when I try the traditional command:

I am trying to set a buildroot install to build an mp3 player and the issue I am encountering right now is that aplay that I have enabled in menuconfig is not available on my card flashed.

I am using buildroot-2020.02.8.

When looking for them in my BR folder I can find :

I have list of packages like this (it's bigger than this):

Command:

I'm trying to deploy a Python script on Heroku that utilizes Selenium. I have my Python script file, Procfile, requirements.txt(created via pipfreeze), and runtime.txt files all created in my root directory. I've successfully deployed everything to Heroku, have installed the 2 necessary Chrome buildpacks, and set config variables for both paths, but when I try to execute heroku run python3 my_script.py on my command line, I receive an error message saying ImportError: No module named selenium.

My code works locally, but I cannot seem to get it to run on Heroku. I tried executing heroku run bash -> python3 -> import selenium to check to see if it was installed and it's not. My Procfile reads web: python3 my_script.py, my requirements.txt file includes selenium, and my rutime.txt file reads python-3.7.3 so I'm not sure what I'm missing here.

My goal is to use Heroku's scheduler to run my python file at intervals, but right now I can't even figure out how to run the code manually.

For reference of what the beginning of my_script.py looks like:

I am trying to experiment with HRTF audio spatialization using PyAL library on the Raspberry Pi https://github.com/NicklasTegner/PyAL/tree/master/examples/HRTF

PyAL depends on OpenAL. I have installed necessary dependencies using sudo apt-get install to ensure the library works: libopenal-dev libopenal1 libopenal-data libmysofa-dev libmysofa0 libmysofa-utils qt5-default alsa-utils alsa-oss alsaplayer-jack g++ gstreamer1.0-python3-plugin-loader gstreamer1.0-alsa

Additionally, I installed pyglet using: sudo pip3 install pyglet

All examples (3D audio, playback, efx, audiplayer, player) work except the HRTF example. When I try to run the HRTF example, I get the following error: AL lib: (EE) ALCplaybackAlsa_reset: snd_pcm_hw_params(self->pcmHandle, hp) failed: File descriptor in bad state

I know for a fact that this is being caused by PulseAudio not being present in the system (https://unix.stackexchange.com/questions/467193/error-while-running-the-gstreamer-example-on-development-kit-file-descriptor). So I installed pulseaudio and its corresponding tools (e.g. pavucontrol using sudo apt-get install pulseaudio.

After installing pulseaudio and rebooting, when I run that example, the example executes without error. However, I do not hear any audio output in the headphones. In fact, audio output from the entire system stops. I made sure the audio output is headphones from sudo raspi-config and alsamixer does show pulseaudio as a audio driver (when it is installed).

I am getting conflicting information from the Internet. The above link suggests using pulseaudio to mitigate the error (which is correct), whereas this link: https://www.youtube.com/watch?v=stvc7ehCWUU and https://raspberrypi.stackexchange.com/questions/1621/no-sound-output-in-vlc say to remove pulseaudio (which is also correct in the sense it brings my audio back but I can't run the HRTF example).

Any suggestions?