{"id":1005211,"date":"2024-12-27T10:33:46","date_gmt":"2024-12-27T02:33:46","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1005211.html"},"modified":"2024-12-27T10:33:49","modified_gmt":"2024-12-27T02:33:49","slug":"python%e5%a6%82%e4%bd%95%e6%8e%a7%e5%88%b6%e7%94%b5%e8%84%91%e5%a3%b0%e9%9f%b3","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1005211.html","title":{"rendered":"python\u5982\u4f55\u63a7\u5236\u7535\u8111\u58f0\u97f3"},"content":{"rendered":"

\"python\u5982\u4f55\u63a7\u5236\u7535\u8111\u58f0\u97f3\"<\/p>\n

Python\u63a7\u5236\u7535\u8111\u58f0\u97f3\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u5b9e\u73b0\uff1a\u4f7f\u7528pycaw\u5e93\u3001\u5229\u7528pyaudio\u5e93\u3001\u8c03\u7528\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4<\/strong>\u3002\u5176\u4e2d\uff0c\u4f7f\u7528pycaw\u5e93<\/strong>\u662f\u8f83\u4e3a\u5e38\u89c1\u7684\u65b9\u6cd5\u3002pycaw\u662f\u4e00\u4e2aWindows\u5e73\u53f0\u7684Python\u5e93\uff0c\u80fd\u591f\u7cbe\u7ec6\u5730\u63a7\u5236\u97f3\u91cf\u53ca\u97f3\u9891\u6d41\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u5c06\u8be6\u7ec6\u63cf\u8ff0\u5982\u4f55\u4f7f\u7528pycaw\u5e93\u6765\u63a7\u5236\u7535\u8111\u97f3\u91cf\u3002<\/p>\n<\/p>\n

\u4f7f\u7528pycaw\u5e93\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n<\/p>\n

    \n
  1. \n

    \u5b89\u88c5pycaw\u5e93<\/strong>\uff1a\u9996\u5148\uff0c\u786e\u4fdd\u4f60\u7684Python\u73af\u5883\u5df2\u7ecf\u5b89\u88c5\u4e86pycaw\u5e93\u3002\u53ef\u4ee5\u901a\u8fc7pip\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\uff1apip install pycaw<\/code>\u3002\u8fd9\u4e2a\u5e93\u4f9d\u8d56\u4e8ecomtypes\uff0c\u56e0\u6b64\u5b89\u88c5\u65f6\u4f1a\u81ea\u52a8\u89e3\u51b3\u4f9d\u8d56\u95ee\u9898\u3002<\/p>\n<\/p>\n<\/li>\n

  2. \n

    \u83b7\u53d6\u97f3\u91cf\u63a5\u53e3<\/strong>\uff1a\u4f7f\u7528pycaw\u53ef\u4ee5\u8bbf\u95eeWindows\u97f3\u9891\u4f1a\u8bdd\u7ba1\u7406\u5668\uff0c\u901a\u8fc7\u63a5\u53e3\u83b7\u53d6\u7cfb\u7edf\u6216\u7279\u5b9a\u5e94\u7528\u7684\u97f3\u91cf\u3002<\/p>\n<\/p>\n<\/li>\n

  3. \n

    \u8c03\u6574\u97f3\u91cf<\/strong>\uff1a\u901a\u8fc7\u97f3\u91cf\u63a5\u53e3\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u97f3\u91cf\u7684\u589e\u52a0\u3001\u51cf\u5c11\u53ca\u9759\u97f3\u64cd\u4f5c\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n

    \u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528pycaw\u5e93\u8fdb\u884c\u8fd9\u4e9b\u64cd\u4f5c\u3002<\/p>\n<\/p>\n

    \u4e00\u3001\u5b89\u88c5\u548c\u914d\u7f6ePycaw\u5e93<\/h3>\n<\/p>\n

    \u5728\u5f00\u59cb\u4f7f\u7528pycaw\u5e93\u4e4b\u524d\uff0c\u9700\u8981\u786e\u4fddPython\u73af\u5883\u4e2d\u5df2\u7ecf\u5b89\u88c5\u4e86\u8be5\u5e93\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5\uff1a<\/p>\n<\/p>\n

    pip install pycaw<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u5bfc\u5165\u5fc5\u8981\u7684\u6a21\u5757\uff1a<\/p>\n<\/p>\n
    from ctypes import cast, POINTER<\/p>\n
    from comtypes import CLSCTX_ALL<\/p>\n
    from pycaw.pycaw import AudioUtilities, IAudioEndpointVolume<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u8fd9\u4e9b\u6a21\u5757\u63d0\u4f9b\u4e86\u8bbf\u95eeWindows\u97f3\u9891\u4f1a\u8bdd\u7ba1\u7406\u5668\u7684\u63a5\u53e3\u3002<\/p>\n<\/p>\n
    \u4e8c\u3001\u83b7\u53d6\u97f3\u91cf\u63a5\u53e3<\/h3>\n<\/p>\n
    \u83b7\u53d6\u97f3\u91cf\u63a5\u53e3\u7684\u7b2c\u4e00\u6b65\u662f\u627e\u5230\u7cfb\u7edf\u7684\u97f3\u9891\u8bbe\u5907\uff1a<\/p>\n<\/p>\n
    devices = AudioUtilities.GetSpeakers()<\/p>\n
    interface = devices.Activate(<\/p>\n
        IAudioEndpointVolume._iid_, CLSCTX_ALL, None)<\/p>\n
    volume = cast(interface, POINTER(IAudioEndpointVolume))<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u901a\u8fc7\u4e0a\u9762\u7684\u4ee3\u7801\uff0c\u6211\u4eec\u83b7\u5f97\u4e86\u97f3\u9891\u8bbe\u5907\u63a5\u53e3\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u97f3\u91cf\u63a7\u5236\u63a5\u53e3\u3002<\/p>\n<\/p>\n
    \u4e09\u3001\u8c03\u6574\u97f3\u91cf<\/h3>\n<\/p>\n
    \u5229\u7528\u97f3\u91cf\u63a5\u53e3\uff0cpycaw\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u65b9\u6cd5\u6765\u63a7\u5236\u97f3\u91cf\u3002<\/p>\n<\/p>\n
    1\u3001\u83b7\u53d6\u5f53\u524d\u97f3\u91cf<\/h4>\n<\/p>\n
    currentVolumeDb = volume.GetMasterVolumeLevel()<\/p>\n
    print(f"Current volume in decibels: {currentVolumeDb}")<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u8fd9\u6bb5\u4ee3\u7801\u83b7\u53d6\u5e76\u6253\u5370\u5f53\u524d\u7cfb\u7edf\u97f3\u91cf\uff0c\u4ee5\u5206\u8d1d\u4e3a\u5355\u4f4d\u3002<\/p>\n<\/p>\n
    2\u3001\u8bbe\u7f6e\u97f3\u91cf<\/h4>\n<\/p>\n
    \u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u8bbe\u7f6e\u97f3\u91cf\uff1a<\/p>\n<\/p>\n
    volumeLevel = -20.0  # \u8bbe\u7f6e\u97f3\u91cf\u4e3a-20\u5206\u8d1d<\/p>\n
    volume.SetMasterVolumeLevel(volumeLevel, None)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5c06\u97f3\u91cf\u8bbe\u7f6e\u4e3a-20\u5206\u8d1d\u3002<\/p>\n<\/p>\n
    3\u3001\u589e\u52a0\u6216\u51cf\u5c11\u97f3\u91cf<\/h4>\n<\/p>\n
    \u4f60\u53ef\u4ee5\u901a\u8fc7\u83b7\u53d6\u5f53\u524d\u97f3\u91cf\u5e76\u8c03\u6574\u5176\u5927\u5c0f\u6765\u589e\u52a0\u6216\u51cf\u5c11\u97f3\u91cf\uff1a<\/p>\n<\/p>\n
    # \u589e\u52a0\u97f3\u91cf<\/p>\n
    volume.SetMasterVolumeLevel(currentVolumeDb + 5.0, None)<\/p>\n
    \u51cf\u5c11\u97f3\u91cf<\/strong><\/h2>\n
    volume.SetMasterVolumeLevel(currentVolumeDb - 5.0, None)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    4\u3001\u9759\u97f3\u548c\u53d6\u6d88\u9759\u97f3<\/h4>\n<\/p>\n
    pycaw\u4e5f\u652f\u6301\u5bf9\u97f3\u91cf\u7684\u9759\u97f3\u63a7\u5236\uff1a<\/p>\n<\/p>\n
    # \u9759\u97f3<\/p>\n
    volume.SetMute(1, None)<\/p>\n
    \u53d6\u6d88\u9759\u97f3<\/strong><\/h2>\n
    volume.SetMute(0, None)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u56db\u3001\u5229\u7528\u5176\u4ed6\u5e93\u548c\u65b9\u6cd5<\/h3>\n<\/p>\n
    \u867d\u7136pycaw\u662f\u63a7\u5236\u97f3\u91cf\u7684\u5e38\u7528\u5e93\uff0c\u4f46\u5728\u4e0d\u540c\u7684\u5e73\u53f0\u6216\u9700\u6c42\u4e0b\uff0c\u5176\u4ed6\u65b9\u6cd5\u53ef\u80fd\u66f4\u5408\u9002\u3002<\/p>\n<\/p>\n
    1\u3001\u4f7f\u7528pyaudio\u5e93<\/h4>\n<\/p>\n
    pyaudio\u662f\u4e00\u4e2a\u8de8\u5e73\u53f0\u7684\u97f3\u9891\u6d41\u5e93\uff0c\u867d\u7136\u5b83\u4e3b\u8981\u7528\u4e8e\u97f3\u9891\u7684\u5f55\u5236\u548c\u64ad\u653e\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u53ef\u4ee5\u7528\u6765\u63a7\u5236\u97f3\u91cf\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff1a<\/p>\n<\/p>\n
    import pyaudio<\/p>\n
    p = pyaudio.PyAudio()<\/p>\n
    \u83b7\u53d6\u7cfb\u7edf\u9ed8\u8ba4\u8f93\u51fa\u8bbe\u5907\u7684\u4fe1\u606f<\/strong><\/h2>\n
    device_info = p.get_default_output_device_info()<\/p>\n
    print(device_info)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u867d\u7136pyaudio\u4e0d\u76f4\u63a5\u63d0\u4f9b\u8c03\u6574\u7cfb\u7edf\u97f3\u91cf\u7684\u529f\u80fd\uff0c\u4f46\u5b83\u53ef\u4ee5\u4e0e\u5176\u4ed6\u5e93\u7ed3\u5408\u4f7f\u7528\u4ee5\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u97f3\u9891\u5904\u7406\u3002<\/p>\n<\/p>\n
    2\u3001\u8c03\u7528\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4<\/h4>\n<\/p>\n
    \u5728Windows\u4e0a\uff0c\u53ef\u4ee5\u4f7f\u7528os<\/code>\u5e93\u8c03\u7528\u7cfb\u7edf\u547d\u4ee4\u6765\u8c03\u6574\u97f3\u91cf\uff1a<\/p>\n<\/p>\n
    import os<\/p>\n
    \u589e\u52a0\u97f3\u91cf<\/strong><\/h2>\n
    os.system("nircmd.exe changesysvolume 2000")<\/p>\n
    \u51cf\u5c11\u97f3\u91cf<\/strong><\/h2>\n
    os.system("nircmd.exe changesysvolume -2000")<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\u9700\u8981\u4e0b\u8f7d\u5e76\u4f7f\u7528\u7b2c\u4e09\u65b9\u5de5\u5177\uff0c\u5982nircmd\u3002\u867d\u7136\u4e0d\u5982pycaw\u76f4\u63a5\uff0c\u4f46\u5bf9\u7b80\u5355\u7684\u97f3\u91cf\u63a7\u5236\u4e5f\u975e\u5e38\u6709\u6548\u3002<\/p>\n<\/p>\n
    \u4e94\u3001\u603b\u7ed3\u4e0e\u5efa\u8bae<\/h3>\n<\/p>\n
    \u901a\u8fc7Python\u63a7\u5236\u7535\u8111\u97f3\u91cf\u53ef\u4ee5\u65b9\u4fbf\u5730\u5728\u7a0b\u5e8f\u4e2d\u5b9e\u73b0\u81ea\u52a8\u5316\u7684\u97f3\u91cf\u8c03\u6574\u3002pycaw\u5e93\u63d0\u4f9b\u4e86\u5bf9Windows\u7cfb\u7edf\u97f3\u91cf\u7684\u5168\u9762\u63a7\u5236<\/strong>\uff0c\u662fWindows\u5e73\u53f0\u7684\u63a8\u8350\u9009\u62e9\u3002\u5bf9\u4e8e\u8de8\u5e73\u53f0\u5f00\u53d1\u8005\uff0c\u53ef\u4ee5\u7ed3\u5408\u4f7f\u7528pyaudio\u5e93\u548c\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4<\/strong>\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u540c\u73af\u5883\u4e0b\u7684\u9700\u6c42\u3002\u5728\u4f7f\u7528\u8fd9\u4e9b\u5de5\u5177\u65f6\uff0c\u59cb\u7ec8\u5e94\u8003\u8651\u5230\u7cfb\u7edf\u517c\u5bb9\u6027\u548c\u7528\u6237\u6743\u9650\uff0c\u4ee5\u786e\u4fdd\u7a0b\u5e8f\u80fd\u591f\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n<\/p>\n
    \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
     \u5982\u4f55\u4f7f\u7528Python\u8c03\u8282\u97f3\u91cf\uff1f<\/strong>
    Python\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e9b\u5e93\u6765\u63a7\u5236\u7535\u8111\u7684\u97f3\u91cf\uff0c\u6bd4\u5982pycaw<\/code>\u548cpyaudio<\/code>\u3002\u4f7f\u7528pycaw<\/code>\u5e93\uff0c\u4f60\u53ef\u4ee5\u8f7b\u677e\u5730\u83b7\u53d6\u5f53\u524d\u97f3\u91cf\u3001\u8bbe\u7f6e\u97f3\u91cf\u4ee5\u53ca\u9759\u97f3\u7b49\u529f\u80fd\u3002\u5b89\u88c5\u5e93\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7\u7b80\u5355\u7684\u51fd\u6570\u8c03\u7528\u6765\u5b9e\u73b0\u97f3\u91cf\u7684\u63a7\u5236\u3002<\/p>\n
    Python\u80fd\u5426\u5b9e\u73b0\u97f3\u9891\u64ad\u653e\u548c\u6682\u505c\u529f\u80fd\uff1f<\/strong>
    \u5f53\u7136\u53ef\u4ee5\u3002\u4f7f\u7528pydub<\/code>\u6216pygame<\/code>\u7b49\u5e93\uff0c\u53ef\u4ee5\u5b9e\u73b0\u97f3\u9891\u7684\u64ad\u653e\u3001\u6682\u505c\u548c\u505c\u6b62\u7b49\u529f\u80fd\u3002\u8fd9\u4e9b\u5e93\u63d0\u4f9b\u4e86\u7b80\u5355\u6613\u7528\u7684\u63a5\u53e3\uff0c\u8ba9\u4f60\u80fd\u591f\u5728Python\u4e2d\u8f7b\u677e\u7ba1\u7406\u97f3\u9891\u6587\u4ef6\u7684\u64ad\u653e\u72b6\u6001\u3002<\/p>\n
    \u6709\u6ca1\u6709\u529e\u6cd5\u7528Python\u76d1\u542c\u97f3\u91cf\u53d8\u5316\uff1f<\/strong>
    \u662f\u7684\uff0c\u53ef\u4ee5\u901a\u8fc7pycaw<\/code>\u5e93\u6765\u76d1\u542c\u97f3\u91cf\u53d8\u5316\u3002\u901a\u8fc7\u8bbe\u7f6e\u56de\u8c03\u51fd\u6570\uff0c\u4f60\u80fd\u591f\u5728\u97f3\u91cf\u53d1\u751f\u53d8\u5316\u65f6\u63a5\u6536\u901a\u77e5\u3002\u8fd9\u5bf9\u4e8e\u9700\u8981\u5b9e\u65f6\u76d1\u63a7\u97f3\u91cf\u7684\u5e94\u7528\u573a\u666f\u975e\u5e38\u6709\u7528\uff0c\u6bd4\u5982\u81ea\u52a8\u8c03\u8282\u97f3\u91cf\u7684\u7a0b\u5e8f\u6216\u97f3\u9891\u5904\u7406\u8f6f\u4ef6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u63a7\u5236\u7535\u8111\u58f0\u97f3\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u5b9e\u73b0\uff1a\u4f7f\u7528pycaw\u5e93\u3001\u5229\u7528pyaudio\u5e93\u3001\u8c03\u7528\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\u3002\u5176\u4e2d\uff0c […]","protected":false},"author":3,"featured_media":1005221,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1005211"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1005211"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1005211\/revisions"}],"predecessor-version":[{"id":1005224,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1005211\/revisions\/1005224"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1005221"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1005211"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1005211"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1005211"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}