plugin-loader | A plugin loading system for Fabric | Video Game library

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?

My process name is core-plugin-loader

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This is the error I'm getting when I try and run the app:

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package.json

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JS newb here:

I've spent a couple days on this bug, and I've looked at many answers and practiced my most earnest Google-Fu, and tried many different babel plugins and presets configurations, as well as tried migrating my webpack 1 project into a webpack 2 incarnation, and in the end I'm still hitting the same wall. Please give me an assist.

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Here's the error: