Overview of QTMA Components
The QuickTime music architecture includes the following components:
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the note allocator, which plays individual musical notes
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the tune player, which plays sequences of musical notes
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the music media handler, which processes data in music tracks of QuickTime movies
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the QuickTime music synthesizer, a software-based music synthesizer included with QuickTime, which plays sounds using the built-in audio of a Macintosh or Mac OS-based computer or the sound card or built-in audio circuitry of other computers
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the General MIDI synthesizer, which plays music on a General MIDI device connected to the computer
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the MIDI synthesizer component, which controls a MIDI synthesizer connected to the computer using a single MIDI channel
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other music components that provide interfaces to specific synthesizers
These components are described in more detail in the following sections.
Figure 1
illustrates the relationships among the various QTMA components.
Figure 1
How QuickTime music architecture components work together
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