Script to alert on microphone loudness

mic_check.py

import time
from collections import deque

import numpy as np
import sounddevice as sd
from beepy import beep
from infi.systray import SysTrayIcon

last_alert = time.time() - 10
q = deque(maxlen=200)


def print_sound(indata, frames, t, status):
    global last_alert
    volume_norm = np.linalg.norm(indata) * 10
    q.append(volume_norm)
    last_elements = [q[i] for i in range(-min(50, len(q)), 0)]
    recent_avg_sound = sum(last_elements) / len(last_elements)
    num_high_count = len([x for x in q if x > 20])
    systray.update(hover_text=f"{recent_avg_sound} decibels")
    if num_high_count > 30 or recent_avg_sound > 50:
        if time.time() - last_alert > 10:
            print(f"You are speaking at {volume_norm:.2f}. Think of Gloria!")
            beep(sound="error")
            last_alert = time.time()


def quit(systray):
    global still_on
    still_on = False


menu_options = ()
systray = SysTrayIcon("icon.ico", "Mic check tray icon", menu_options, on_quit=quit)
systray.start()
still_on = True
name = 'Microphone (Yeti Stereo Microph'
with sd.InputStream(device=name,callback=print_sound):
    while still_on:
        sd.sleep(1000)