How to improve the sound quality of data flow in Flash

in Flash, often need to insert sound, in order to make the sound synchronization, sometimes the need to AS3 loading sound layer must be set to the sound data flow, but in many cases, the export will find the quality of the sound is greatly reduced, sometimes even intolerable, then there is no way to completely improve it, After trying I found a solution that I would like to share with you.

   Select File-to-Publish settings before exporting the movie, such as:

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After you open the Publish Settings dialog box, select the Flash tab, and note that under this tab, there are two sound related items that can be set, which I have already marked with a red box, such as:

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click Settings respectively, Pop-up dialog boxes, such as, in the figure set to 48kbps, the quality is set to Medium, pre-processing must be removed, can not be converted to mono.
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when everything is set up, OK.

then publish or export.

How to improve the sound quality of data flow in Flash