What is DirectMusic?

Other than simply playing sounds, DirectMusic provides a complete system for implementing dynamic soundtracks that take advantage of hardware acceleration, Downloadable Sounds (DLS), DirectX Media Objects (DMOs), and advanced 3-D positioning effects. It also helps to

• Load and play sounds from files or resources in MIDI, WAV, or DirectMusic Produced run-time format.
• Play from multiple sources simultaneously.
• Schedule the timing of musical events with high precision.
• Send tempo changes, patch changes, and other MIDI events programmatically.
• Use Downloadable Sounds. By using DLS, an application can be sure that message-based music sounds the same on all computers. An application can also play an unlimited variety of instruments and even produce unique sounds for individual notes and velocities.
• Locate sounds in a 3-D environment.
• Easily apply pitch changes, reverberation, and other effects.
• Use more than 16 MIDI channels. DirectMusic makes it possible for any number of voices to be played simultaneously, up to the limits of the synthesizer.
• Play segments on different audio paths, so that effects or spatialization can be applied individually to each sound.
• Capture MIDI data, or stream it from one port to another.

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