import pyaudio
import numpy.fft
import math
import wave
CHUNK = 1024
WIDTH = 2
CHANNELS = 2
RATE = 44100
RECORD_SECONDS = 5
p = pyaudio.PyAudio()
stream = p.open(format=p.get_format_from_width(WIDTH),
                channels=CHANNELS,
                rate=RATE,
                input=True,
                output=True,
                frames_per_buffer=CHUNK)
print("* recording")
for i in range(0, int(RATE / CHUNK * RECORD_SECONDS)):
    data = stream.read(CHUNK)
#при выполнении этого блока воспроизводится шум
while data != '':
    stream.write(data)
stream.stop_stream()
stream.close()
p.terminate()

for i in range(0, int(RATE / CHUNK * RECORD_SECONDS)):
    data = stream.read(CHUNK)
    stream.write(data, CHUNK)

data=[]
for i in range(0, int(RATE / CHUNK * RECORD_SECONDS)):
    data.append(stream.read(CHUNK))    
while data:
    stream.write(data.pop(0), CHUNK)

Sh= numpy.fft.irfft(b)

from struct import pack
buf = pack('H',1234)

stream.write(строка, CHUNK)

buf = pack('H',1234)

from struct import pack
a=[1,2,3,4,5,6,7,8]
b=''.join([pack('H',s) for s in a])

'\x01\x00\x02\x00\x03\x00\x04\x00\x05\x00\x06\x00\x07\x00\x08\x00'

b=''.join([pack('H',s)[::-1] for s in a])