Python: 如何錄製wav檔? import sounddevice ; from scipy.io.wavfile import write

"""
資料來源：https://www.analyticsvidhya.com/blog/2021/10/build-a-voice-recorder-using-python/
pip install sounddevice
pip install scipy==1.8.0 #'1.11.1' 也可
"""
import sounddevice                      # 匯入sounddevice
from scipy.io.wavfile import write      # 匯入 scipy.io.wavfile.write

fs= 44100                               # 設定聲音採樣頻率 DVD中的採樣頻率 HZ
second =  int(input("輸入要錄音的秒數: ")) # 輸入要錄音的秒數 要打整數
print("Recording.....")
                                        # https://pypi.org/project/sounddevice/0.3.2/
record_voice = sounddevice.rec(
    frames=int ( second * fs ) ,               # 錄音秒數 * 採樣頻率
    samplerate = fs ,                   # 採樣頻率
    channels = 2 )                      # 錄音兩個聲道
sounddevice.wait()                      # 等待錄音完成 才會執行到下一行, Ctrl+C可以中斷錄音
write("out.wav",fs,record_voice)        # 寫入檔案
print("完成, 輸出到 out.wav")             # 完成輸出到 out.wav