有没有办法让我的笔记本电脑上的这个运动检测系统播放 mp3 文件？

Posted 2023-02-25

【中文标题】有没有办法让我的笔记本电脑上的这个运动检测系统播放 mp3 文件？

【英文标题】：Is there a way I can get this motion detector system on my laptop to play mp3 files?

【发布时间】：2021-03-25 02:06:06

【问题描述】：

它在哪里说“你好”，它是通过文字转语音说的，我想用一个 mp3 文件（音乐）替换那个你好。这样当我做出一些动作时，就会播放一首歌。我真的不知道我在做什么，所以如果有人知道更简单的方法来做到这一点，我真的很想知道并且我不会以任何方式重新分发代码。谢谢

import cv2
import pyttsx3
import threading


# This funtion plays the audio message
def thread_voice_alert(engine):
    engine.say("hello")
    engine.runAndWait()


baseline_image=None
status_list=[None,None]
video=cv2.VideoCapture(0)

#Setting parameters for voice
engine = pyttsx3.init()
voices = engine.getProperty('voices')
engine.setProperty('voice', voices[1].id)
engine.setProperty('rate', 150)

while True:
    check, frame = video.read()
    status=0
    gray_frame=cv2.cvtColor(frame,cv2.COLOR_BGR2GRAY)
    gray_frame=cv2.GaussianBlur(gray_frame,(25,25),0)

    if baseline_image is None:
        baseline_image=gray_frame
        continue

    delta=cv2.absdiff(baseline_image,gray_frame)
    threshold=cv2.threshold(delta, 30, 255, cv2.THRESH_BINARY)[1]
    (contours,_)=cv2.findContours(threshold,cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)

    for contour in contours:
        if cv2.contourArea(contour) < 10000:
            continue
        status=1
        (x, y, w, h)=cv2.boundingRect(contour)
        cv2.rectangle(frame, (x, y), (x+w, y+h), (0,255,0), 1)
    status_list.append(status)
    
    
    if status_list[-1]==1 and status_list[-2]==0:
        t = threading.Thread(target=thread_voice_alert, args=(engine,))
        t.start()


    cv2.imshow("gray_frame Frame",gray_frame)
    cv2.imshow("Delta Frame",delta)
    cv2.imshow("Threshold Frame",threshold)
    cv2.imshow("Color Frame",frame)

    key=cv2.waitKey(1)

    if key==ord('q'):
        if status==1:
            times.append(datetime.now())
        break


#Clean up, Free memory
engine.stop()
video.release()
cv2.destroyAllWindows

我没有写这个代码。原文来源：https://towardsdatascience.com/build-a-motion-triggered-alarm-in-5-minutes-342fbe3d5396

【参考方案1】：

您可以使用 playsound 模块。你需要用pip install playsound安装它

那就做吧

from playsound import playsound

# Put this wherever you want the sound to play
playsound('path-to-your-file.mp3')