python – 改变声音效果Pygame

概述我有大约25个类似的声音文件,每个声音文件的频率不同.我已经编写了一些代码来根据变化的速度变量来改变正在播放的声音文件.从理论上讲,声音的音高应该随着速度而增加(文件数越高,音高越高.)这就是我写的： CurrentSound = 'CarEngine0.wav'OldSound = CurrentSoundwhile True: CurrentSound = 'CarEngine 我有大约25个类似的声音文件,每个声音文件的频率不同.我已经编写了一些代码来根据变化的速度变量来改变正在播放的声音文件.从理论上讲,声音的音高应该随着速度而增加(文件数越高,音高越高.)这就是我写的：

CurrentSound = 'CarEngine0.wav'oldSound = CurrentSoundwhile True:    CurrentSound = 'CarEngine' + str(abs(int(speed*2))) + '.wav'    CarSound = pygame.mixer.sound(CurrentSound)    if not oldSound == CurrentSound:        oldSound = CurrentSound        CarSound.stop()    CarSound.play(-1)

如果我打电话给CurrentSound和oldSound变量打印,它们会改变,但声音似乎没有.我做错了什么,有没有更好的方法呢？

解决方法 如果我理解正确,你有25个声音文件,你想按照速度变量的递增顺序播放它们. 25个声音文件名称根据其音高进行排序.

建立

该解决方案假设您将音频文件放在一个文件夹中,并按顺序逐渐按顺序列出.

代码将根据速度计数器加载在文件夹中按顺序列出的文件[您可以根据需要进行修改]

代码是在windows 8和python 2.7上编写的

示例代码

import pygame.mixer,pygame.timeimport osmixer = pygame.mixer  mixer.init()  #Initialize mixer#Your path to audio filesfilepath = "C:\yourAudiofilePath\"#Iterate through counter and  audio filesfor x,i in zip(range(0,25),os.Listdir(filepath)):    if i.endswith(".wav"):        mySoundfile = mixer.sound(filepath + i)        print "Speed Variable = ",x," and file = ",i         channel = mySoundfile.play(0)        while channel.get_busy():  #Check if Channel is busy            pygame.time.wait(100)  #  wait in ms until song is played        print "........"

产量

我按顺序重命名了一堆音频文件以符合您的要求.

Python 2.7.9 (default,Dec 10 2014,12:24:55) [MSC v.1500 32 bit (Intel)] on win32Type "copyright","credits" or "license()" for more information.>>> ================================ RESTART ================================>>> Speed Variable =  0  playing file =  audio000.wav........Speed Variable =  1  playing file =  audio001.wav........Speed Variable =  2  playing file =  audio002.wav........Speed Variable =  3  playing file =  audio003.wav........Speed Variable =  5  playing file =  audio005.wav........Speed Variable =  6  playing file =  audio006.wav........Speed Variable =  7  playing file =  audio007.wav........Speed Variable =  8  playing file =  audio008.wav........Speed Variable =  9  playing file =  audio009.wav........Speed Variable =  10  playing file =  audio0010.wav........Speed Variable =  11  playing file =  audio0011.wav........Speed Variable =  12  playing file =  audio0012.wav........Speed Variable =  13  playing file =  audio0013.wav........Speed Variable =  14  playing file =  audio0014.wav........Speed Variable =  15  playing file =  audio0015.wav........Speed Variable =  16  playing file =  audio0016.wav........Speed Variable =  17  playing file =  audio0017.wav........Speed Variable =  18  playing file =  audio0018.wav........Speed Variable =  19  playing file =  audio0019.wav........Speed Variable =  20  playing file =  audio0020.wav........Speed Variable =  21  playing file =  audio0021.wav........Speed Variable =  22  playing file =  audio0022.wav........Speed Variable =  23  playing file =  audio0023.wav........Speed Variable =  24  playing file =  audio0024.wav........>>>

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