If you feel that the “illustrations” of the slide is no longer fresh, it may wish to add the voice of the slide, so that you can beautiful music to accompany a presentation under. However, if the only voices in the insert page, so that when the show to the next slide after the sound will stop, the adoption of the following settings so that the music can keep playing until the end of presentation.

PowerPoint2007 run and opened the PPT we need to edit the document, and then “Insert” tab, select the “Media Clips” – “the voice” – “the voice of the paper,” Open the “Insert Sound” dialog box to find that you want to add their own After the point of music files “to determine” (PowerPoint2003 in select “Insert → → Video and audio voice files”), in the following window if you select “click the” then only in the clicking of the mouse will be shown to play a sound So here, select “Automatic.”
In order to achieve the cycle need to be further set up to play, PowerPoint2003 documents in the right-click on the “little horn” choose “Edit Sound Object” and check “Loop until stopped”, PowerPoint2007 can be selected in the “election item “in check” Loop until stopped “, and also can set the volume, such as slide show. This method is well suited for soft slide adds the use of background music.