Using Director > Sound, Video, and Synchronization > Compressing internal sounds with Shockwave Audio |  |

Compressing internal sounds with Shockwave Audio

Shockwave Audio can compress any internal sounds in a movie. Although internal sounds are not streamed, compressing them with Shockwave Audio dramatically decreases the size of the sound data in a movie, shortens the download time from the Internet, and saves disk space.

You can use Shockwave Audio settings to specify compression settings for internal sound cast members. The compression settings you choose apply to all internal sound cast members. You cannot specify different settings for different cast members.

You can choose compression settings at any time, but compression occurs only when the Director movie is compressed with the Create Projector, Save as Shockwave Movie, or Update Movies commands. When creating a projector, Director compresses sounds only if the Compressed option is turned on in the Projector Options dialog box. Compressing sounds can substantially increase the time required to compress a Director movie. See Creating projectors.

Note: Shockwave Audio does not compress SWA or MP3 audio sounds.

When you distribute a movie that contains sounds compressed with Shockwave Audio, the SWA Decompression Xtra is already included in the Shockwave player. If you compress sounds in Shockwave format in a projector, you must provide the SWA Decompression Xtra for the projector.

To have Director compress internal sound cast members when you create a projector, save a movie as Shockwave, or update the movie:

1 | Choose File > Publish Settings.
2 | Select the Compression tab.
3 | Select Compression Enabled to turn on compression.
4 | Choose a setting from the kBits/second pop-up menu.
5 | Select Convert Stereo to Mono if you want to convert a stereo file to monaural.
| At rates lower than 48 Kbps, all sounds are converted to monaural.
6 | Click OK.