timeDomainRep.pyw

#!/usr/bin/env python
# coding: utf-8

import numpy as np
import pyaudio as pa
import struct
import matplotlib.pyplot as plt
import tkinter as tk
from IPython.terminal.pt_inputhooks import tk



_chunk = 1024 * 4
_format = pa.paInt16
_channels = 1
_rate = 44100    #in Hz

p = pa.PyAudio()

stream = p.open(
    format = _format,
    channels = _channels,
    rate = _rate,
    input = 1,
    output = 1,
    frames_per_buffer = _chunk,
)



fig, ax = plt.subplots()
x = np.arange(0, 2*_chunk, 2)
line, = ax.plot(x, np.random.rand(_chunk))
ax.set_ylim(-130,130)
ax.set_xlim(0,_chunk)
fig.show()


try:
    while True:
        data = stream.read(_chunk)
        dataInt = np.array(struct.unpack(str(2*_chunk) + 'B', data)[::2], dtype = 'b')
        line.set_ydata(dataInt)
        fig.canvas.draw()
        fig.canvas.flush_events()
except:
    print("Restart Kernel")