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例如:你可設定Upsampling，把所有的音樂都提升採樣率到最大或特定採樣率如96KHz，192KHZ...（當然也可選不提升）
詳細的設定請看官網的使用說明 http://bitperfectsound.blogspot.tw/p/manual.html
youtube上日本人的設定說明https://www.youtube.com/watch?v=Z_0A4SL3LnE
PS.以下這段取自官網使用說明，應該能解您的疑問
This is the device which will be used by BitPerfect to play your music, and this is one of two places where you can make that selection. Any selection you make here is independent of any selection you might make in OS X’s System Preferences or Audio Midi Setup.In fact, it will over-ride any selections that you may previously have made there.
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個人積分：290分
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個人積分：112分
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