Pyaudio与麦克风混合mp3文件

import pyaudio
import wave
from pydub import AudioSegment

# 录制参数
CHUNK = 1024
FORMAT = pyaudio.paInt16
CHANNELS = 1
RATE = 44100
RECORD_SECONDS = 5
WAVE_OUTPUT_FILENAME = "output.wav"

# 初始化Pyaudio
p = pyaudio.PyAudio()

# 打开麦克风流
stream = p.open(format=FORMAT,
                channels=CHANNELS,
                rate=RATE,
                input=True,
                frames_per_buffer=CHUNK)

print("开始录音...")

frames = []

# 录制音频
for i in range(0, int(RATE / CHUNK * RECORD_SECONDS)):
    data = stream.read(CHUNK)
    frames.append(data)

print("录音结束")

# 停止和关闭流
stream.stop_stream()
stream.close()
p.terminate()

# 保存为WAV文件
wf = wave.open(WAVE_OUTPUT_FILENAME, 'wb')
wf.setnchannels(CHANNELS)
wf.setsampwidth(p.get_sample_size(FORMAT))
wf.setframerate(RATE)
wf.writeframes(b''.join(frames))
wf.close()

# 将WAV文件转换为MP3文件
audio = AudioSegment.from_wav(WAVE_OUTPUT_FILENAME)
audio.export("output.mp3", format="mp3")