Flash glossary: Device sound
Adobe Flash Lite is a subset of various versions of ActionScript and supports two types of sound: standard Flash sounds—such as those used in desktop applications—and device sounds. Flash Lite 1.0 supports device sounds only; Flash Lite 1.1 and 2.x support both standard sounds and device sounds.
Device sounds are stored in the published SWF file in their native audio format (such as MIDI or MFi). During playback, Flash Lite passes the sound data to the device, which decodes and plays the sound. Because you cannot import most device audio formats into Flash, you instead import a proxy sound in a supported format (such as MP3 or AIFF) that is replaced with an external device sound that you specify.
You can use device sounds only as event sounds—you can't synchronize device sounds using the Timeline the way you can sync up standard sounds.
Instead of using the original sound that you imported in the Library, select the option to Export Device Sounds in the Publish Settings for SWF files when exporting sounds suitable for devices, including mobile devices.
To learn more about working with device sounds, see Device sound in the Flash Lite documentation.
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