|Microsoft DirectX 9.0|
To play an instrument, the synthesizer needs information about how the instrument should sound. This information, consisting of waveform samples and
By default, the Microsoft software synthesizer takes its DLS data from the Roland GM/GS collection. The default collection contains DLS data for the 128 instruments defined by the General MIDI standard. Custom collections can include instruments of any kind. The waveform samples for an instrument do not have to be based on a musical instrument but can be any recorded sound such as a sound effect, a fragment of speech, or even a fully formed measure of music.
Most applications do not need to access collections directly, as the necessary data is either contained in the default collection or referenced by a band object associated with a segment. A band is a set of instruments and settings mapped to
Note The Roland GM/GS Sound Set cannot be modified, due to legal restrictions.
WAV files and resources also have to be downloaded to the synthesizer before they can be played.
A band is a collection of
Although a band can be thought of as a set of instruments, it is not the same as a
Note When bands are downloaded to the synthesizer, it is really the DLS instruments referenced by the band that are being downloaded.
Bands can be saved as separate files or included in