Choosing an Audio Format
Which audio format or system you choose depends on your communication goals, the scale of your site, and your budget. Table 24-1 provides suggestions for some common scenarios. Consider them only as starting points for researching the solution that best meets your needs.
Table 24-1. Suggested audio formats
|
Audio needs |
Suggested formats |
|---|---|
|
Short voice greetings |
WAV, AIFF, QuickTime (via regular HTTP server), MP3 |
|
Narration (news broadcasts, interviews, and other voice-only content) |
Streaming solutions such as RealAudio, Windows Media, or QuickTime for large audiences; RealAudio or QuickTime via HTTP server for limited traffic and few simultaneous listeners |
|
Background music (ambient sound loops) |
MIDI, Beatnik, WAV |
|
Short interactive sound effects (such as button rollover and transition sounds) |
Flash, Shockwave, Beatnik |
|
Music samples for a limited audience |
MP3, RealMedia, or QuickTime via HTTP server |
|
Music samples for a large-scale site with heavy traffic |
Complete streaming solution, such as RealSystem or Windows Streaming Media |
|
Radio-style music broadcasting |
RealMedia System, streaming MP3s (via a streaming server such as SHOUTcast), Windows Media System |
|
Distribution and sale of CD-quality audio |
MP3, Liquid Audio |
|
Live broadcasting |
RealMedia System, QuickTime, Windows Media System |
|
Musical e-greeting card |
Flash, Beatnik, MIDI or WAV background sound |
|
Specialized audio applications (such as virtual CD players, mixers, etc.) |
Flash, Shockwave, ... |
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