gqrxUdp4.py

import socket
import numpy as np
import pyaudio

CHUNK    = 1024
FORMAT   = pyaudio.paInt16
CHANNELS = 1
RATE     = 44100

p      = pyaudio.PyAudio()
stream = p.open(format=FORMAT,
                channels=CHANNELS,
                rate=RATE,
                output=True)

ba   = bytearray(CHUNK)
wpnt = 0

UDP_IP   = "127.0.0.1"
UDP_PORT = 7355

sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sock.bind((UDP_IP, UDP_PORT))

while True:
    data, addr = sock.recvfrom(512)
    ldata = len(data)
    for i in range(ldata):
        ba[wpnt] = data[i]
        wpnt += 1
        if wpnt >= CHUNK:
            wpnt = 0
            stream.write(bytes(ba))

# end of file