将PyAudio麦克风输入流转换为mp3

import pyaudio
import wave
from pydub import AudioSegment

# 定义参数
FORMAT = pyaudio.paInt16
CHANNELS = 1
RATE = 44100
CHUNK = 1024
RECORD_SECONDS = 5
WAVE_OUTPUT_FILENAME = "output.wav"
MP3_OUTPUT_FILENAME = "output.mp3"

# 初始化PyAudio
audio = pyaudio.PyAudio()

# 打开麦克风输入流
stream = audio.open(format=FORMAT, channels=CHANNELS,
                    rate=RATE, input=True,
                    frames_per_buffer=CHUNK)

# 创建一个音频流缓冲区
frames = []

# 从麦克风读取数据并存储在缓冲区中
for i in range(0, int(RATE / CHUNK * RECORD_SECONDS)):
    data = stream.read(CHUNK)
    frames.append(data)

# 停止麦克风输入流
stream.stop_stream()
stream.close()
audio.terminate()

# 将缓冲区中的音频数据写入WAV文件
waveFile = wave.open(WAVE_OUTPUT_FILENAME, 'wb')
waveFile.setnchannels(CHANNELS)
waveFile.setsampwidth(audio.get_sample_size(FORMAT))
waveFile.setframerate(RATE)
waveFile.writeframes(b''.join(frames))
waveFile.close()

# 将WAV文件转换为MP3文件
audio = AudioSegment.from_wav(WAVE_OUTPUT_FILENAME)
audio.export(MP3_OUTPUT_FILENAME, format="mp3")