如何处理来自两个麦克风的数据？

Question

我正在尝试使用两个USB麦克风制作简单的波束成形系统，并成功连接计算机。这是我的代码。

import numpy as np
from scipy.io import wavfile
import time
import pyaudio
import matplotlib.pyplot as plt
import wave

p = pyaudio.PyAudio()
FORMAT = pyaudio.paInt16

def callback1(in_data, frame_count, time_info, flag):
   input_wave1 = np.fromstring(in_data, 'Float32')
   return (input_wave1,pyaudio.paContinue)

def callback2(in_data, frame_count, time_info, flag):
   input_wave2 = np.fromstring(in_data, 'Float32')
   return (input_wave2,pyaudio.paContinue)

CHANNELS = 1
RATE = 22050
buffer_size = 200

stream1 = p.open(format=FORMAT,
               channels=CHANNELS,
               frames_per_buffer = buffer_size,
               rate=RATE,
               output=True,
               input=True,
               input_device_index = 1,
               stream_callback = callback1)

stream2 = p.open(format = FORMAT,
               channels = CHANNELS,
               frames_per_buffer = buffer_size,
               rate = RATE,
               output=True,
               input = True,
               input_device_index = 2,
               stream_callback = callback2)

现在，我的问题是我无法使用两个数据（input_wave1，input_wave2）计算波束成形声音。是否有可能只进行少量编辑，还是有其他方式？我的目标是从raspberry pi运行此代码。对于我的英语不好，我很抱歉。