This Solution is tested on M1 Macs[Please do check with other].
After the installation of HomeBrew on your system, perform the installation of PortAudio. Next follow the steps mentioned below:
Use the command to install PortAudio
sudo brew install portaudio
After successful installation of PortAudio, enter the following command.
sudo nano $HOME/.pydistutils.cfg
Next, enter the following lines in the opened window
[build_ext]
include_dirs=/Users/<enter-your-system-username>/homebrew/Cellar/portaudio/19.20140130/include/
include_dirs=/Users/<enter-your-system-username>/homebrew/Cellar/portaudio/19.20140130/lib/
Note: PortAudio location may be different for you and also don't forget to replace your PC username.
Finally run the command
pip install pyaudio
or
pip3 install pyaudio