ppt在第一张幻灯片插入音频,然后设置为在后台播放即可成为背景音乐。
华硕VivoBook15s
win10
PPT2021
1、打开PPT演示,点击“插入”——“音频”,可以看到有4个选项,选择一个,以“嵌入音频”为例。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b64543a98226cffc00ed5a22ab014a90f703ea5f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、打开音乐所在文件夹,选择音乐文件,并点击“打开”。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b8014a90f603738d8d8de9b2a11bb051f919ec5f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、这时会看到如下的界面,界面上有播放按钮,可以播放或暂停播放,有进度条,可以看到播放进度,有音量调节按钮,可以调节音量。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/eac4b74543a98226d206ceb79882b9014b90eb5f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、界面上方有“音频工具”菜单,图示红色矩形框中的区域可用于设置是否循环播放这个音乐。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/1f178a82b9014a90d4f9a32dbb773912b21bee5f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、也可以点击“设为背景音乐”将单张幻灯片中播放的音频文件改为背景音乐。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/42a98226cffc1e17957869a15890f603728de95f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
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