Transcription: Music and narration make multimedia presentations come alive. Two audio channels are available. If desired, two separate audio files can be played simultaneously. For example, voice on one channel can be combined with background music on the second channel. Volume can be adjusted during play. For example, background music can become softer when narration begins, making the voice easier to hear. Audio can be synchronized with images or other audio. Images can be displayed at just the right moment in the soundtrack, like the surfer and the baby. Let's add audio to the island vacation story to se ...