I'm trying to write a python program on my Raspberry Pi to mute/change the volume of the speaker output as soon as it runs. If I type:
amixer sset 'Master' 50%
on the terminal, the volume is increased by 50%.
However if I write a python file called
filename.py with the following lines:
import os os.system("amixer sset 'Master' 50%")
and run it in terminal with
sudo python filename.py
it comes up with an error
amixer: Unable to find simple control 'Master',0
How can I just run exactly the same command in terminal as I do in python?