the first article is about DLS format(DirectMusic's DownLoadable Sound (DLS)).
http://www.midi.org/techspecs/dls/dls.php


http://en.wikipedia.org/wiki/DLS_format

but also about sounds in GAMES, you can read this in first article:

Yamaha Corporation, Hamamatsu City, Shizuoka, the world's largest manufacturer of musical instruments, has begun offering software developers royalty-free access to its library of voices that are compatible with DirectMusic, Microsoft's MIDI-based music creation tool.

Yamaha's library contains over 300 voices ranging from musical sounds to special sound effects, all recorded in high quality XG format, the company's electronic sound generator format for musical instruments and electronic music devices.

In addition, Yamaha is also granting developers permission to use voices from its electronic musical instruments in games developed with DirectMusic.
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and you can read also this in first article:

DirectMusic is garnering the attention of a large number of software developers as it provides an environment for developing interactive Windows software
with music and special sound effects based on the MIDI format. By using DirectMusic's DownLoadable Sound (DLS) feature that allows the unrestricted addition of voice data, software developers can include voices they have created on their own.
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you can read also this in first article:

Yamaha is also granting software developers permission to use voices from its electronic musical instruments for creating their own DLS data, giving developers access to many special voices not included in the XG voice library.
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you can read on second article:

2) Both companies will offer open access to Yamaha's XG Format (see Note 3) and Roland's GS Format(See Note 4).

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what they meant with offer open acces to XG and GS format?

if i am wrong about this articles, any help is welcome.


[This message has been edited by AFG Music (edited 06-18-2010).]