[Unity 组件参考手册]组件：管理器设置之音频管理器

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The Audio Manager allows you to tweak the maximum volume of all sounds playing in the scene. To see it choose Edit->roject Settings->Audio.你可以通过音频管理器调整场景中声音的最大音量。在菜单Edit->roject Settings->Audio打开音频管理器。 【Properties 属性】-------------------------------------------------------------------------------    Volume 音量
    The volume of all sounds playing. 所有声音的播放音量
    Rolloff Scale 衰减因子
    Sets the global attenuation rolloff factor for Logarithmic rolloff based sources (see Audio Source). The higher the value the faster the volume will attenuate, conversely the lower the value, the slower it attenuate (value of 1 will simulate the "real world").
    设置指数衰减音频源（参见音频源）的全局衰减系数。该数值越高，音量的衰减速度越快，反之则越慢。（数值为1则模拟真实世界的效果）
    Speed of Sound 音速
    The speed of sound. 343 is the real world speed of sound, if you are using a meters as your units. You can adjust this value to make your objects have more or less Doppler effect with larger or smaller speed.
    声音的传播速度。如果用米来做长度单位的话，现实世界的音速是每秒343。你可以通过调整该数值来改变多普勒效应的效果。
    Doppler Factor 多普勒因子
    How audible the Doppler effect is. When it is zero it is turned off. 1 means it should be quite audible for fast moving objects.
    模拟多普勒效应听起来的效果。0表示关闭模拟。1意味着在高速物体上多普勒效应会比较明显地能听到。
    Default Speaker Mode
    默认扬声器模式
    Defines which speaker mode should be the default for your project. Default is 2 for stereo speaker setups (see AudioSpeakerMode in the scripting API reference for a list of modes).
    设置unity项目中的默认扬声器模式。默认值为2，即立体声模式。（模式列表参见脚本API手册的AudioSpeakerMode）
    DSP Buffer Size
    DSP缓冲区大小
    The size of the DSP buffer can be set to optimise for latency or performance
    调整DSP的缓冲区的大小可以优化延迟和性能。
        Default 默认
    Default buffer size 缓存区的默认大小
        Best Latency 最小延迟
    Trades off performance in favour of latency 牺牲性能以换取低延迟
        Good Latency 良好延迟
    Balance between latency and performance 延迟与性能的平衡
        Best Performance 最佳性能
    Trades off latency in favour of performance 牺牲延迟来获取最佳性能 【Details 细节】-------------------------------------------------------------------------------If you want to use Doppler Effect set Doppler Factor to 1. Then tweak both Speed of Sound and Doppler Factor until you are satisfied.
Speaker mode can be changed&nbsp***ntime from your application through scripting. See Audio Settings.如果你想在场景模拟多普勒效应，可以把多普勒因子设为1，然后调整音速和多普勒因子直到得到满意的效果。扬声器模式可以在程序运行时通过脚本实时改变。参见Audio Settings音频设置。 【来源：互联网】
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